Wednesday
May 22, 2013

# Homework Help: Physical Education

Recent Homework Questions About Physical Education

Bullying?
I don't know what subject matter this falls into. I just need someone to look over my statements and see if it makes sense. Psychological impact and pain due to bullying can cause an individual to do unspeakable things. The inner strength of a person is more powerful than ...
Thursday, April 22, 2010 at 7:01pm

Quick Help
Psychological impact and pain due to bullying can cause an individual to do unspeakable things. The inner strength of a person is more powerful than the physical strength of any individual. Do these make sense? Thanks. Thanks.
Thursday, April 22, 2010 at 3:37pm

science
Give an example of a physical change and a chemical change for iron
Wednesday, April 21, 2010 at 11:18pm

physical science
If a 500-lb piler driver is raised to a height of 12 feet then dropped how much work was done on the pile driver in raising it?
Tuesday, April 20, 2010 at 10:13pm

physical science
filtration can be used to seperate mixutures based on?
Monday, April 19, 2010 at 12:24am

math
Can someone assit me with my two math problems Assume that the salaries of elementary school teachers in the united states are normally distributed with the mean of 36,000 and a standard deviation of 6,000. What is the cut off salary for teachers in the bottom 10%? A physical ...
Sunday, April 18, 2010 at 9:26pm

Accounting
E4-1 The trial balance columns of the worksheet for Briscoe Company at June 30, 2008, are as follows. BRISCOE COMPANY Worksheet For the Month Ended June 30, 2008 Trial Balance Account Titles Dr. Cr. Cash \$2,320 Accounts Receivable 2,440 Supplies 1,880 Accounts Payable \$1,120 ...
Sunday, April 18, 2010 at 6:06pm

physical
An airplane travels 80 m/s as it makes a horizontal circular turn which has a 0.8 km radius. What is the magnitude of the resultant force on the 75 kg pilot of this airplane?
Sunday, April 18, 2010 at 4:12pm

English
Thank you so much for helping me. I really hope you could check a few more sentences on the same subject. 1) She understands at last that her love for Heathcliff is not a romance. Actually, it is concerned with a breaking through beyond the self. 2) She doesn’t seem to ...
Saturday, April 17, 2010 at 5:09pm

Geography
28. What information would be the most helpful in drawing inferences about hwy certain countries in Southeast Asia have a large number of Muslims? a. knowing what countries in the region were colonized by France b. knowing what countries were ruled by China in the past c. ...
Saturday, April 17, 2010 at 2:32pm

English
Thank you very much for your corrections. I have some sentences I'd like you to check. Just say "yes" if they are correct. 1a) The first reform Bill passed in 1832 It is common practice to consider 1832 as the year in which the Victorian age started (though queen...
Saturday, April 17, 2010 at 5:00am

Chemistry
Suppose you place a kettle on the stove and boil some water.Is the steam that forms physical of chemical change?
Friday, April 16, 2010 at 8:09pm

math
A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 450 seconds and a standard deviation of 40 seconds. The fitness ...
Friday, April 16, 2010 at 11:42am

Physical Science
a player uses a hockey stick to increase the speed of a 0.200 kg hockey puck by 6 m/s in 2 seconds is the acceleration 3 m/s2?
Wednesday, April 14, 2010 at 9:15pm

Physical Science
if an object has a mass of 615 grams and a volume of 105cm3 is the density 5.86 g/cm3?
Wednesday, April 14, 2010 at 9:12pm

language could you please check my work
answers are on the bottom 1)A person's hobby a.can be physical recreation b.can be mental recreation c.both a and b 2)A good hobby is is a.exciting b.satisfying c.both a and b 3)Some hobbies are a.lifelong b. given up for something more interesting c. both a and b 4)...
Wednesday, April 14, 2010 at 6:34pm

college
How can physical activity improve health and wellness?
Tuesday, April 13, 2010 at 12:59am

physical science
How would the force of gravity between two masses be affected if the separtion distance between them were doubled and decreased by one-half?
Monday, April 12, 2010 at 2:41pm

physical science
Inside the cylinders of a diesel engine, the mixture of fuel and air is compressed to about 1/20 of its original volume. although diesel engines have no spark plugs to ignite this mixture, it ignites anyway because_. a) increases in temperature decrease molecular motion b) ...
Monday, April 12, 2010 at 9:15am

physical science
the same force is constantly applied to two moveable objects. the more massive object will a) travel at the same speed as the lighter one b) increase speed but at a slower rate than the lighter one c) increase speed but at a greater rate than the lighter one d) increase speed ...
Monday, April 12, 2010 at 9:10am

physical science
a weather balloon filled with gas is released and rises into the atmosphere. as it rises, the balloon__. a) gets smaller because air pressure outside the balloon increases b) gets smaller because gas pressure inside the balloon decreases c) doesnt change size d)gets larger ...
Monday, April 12, 2010 at 9:09am

Chemistry
What is the purpose in calculating formal charges? What physical forces create the three dimensional structure of a molecule?
Sunday, April 11, 2010 at 4:56pm

Itroductory Physical Science
Spherical lead shot are poured into a square tray, 10 centimeters on a side, until they completely cover the bottom. The shot are poured from the tray into a graduated cylinder, which they fill to the 20-cm3 mark. What is the diameter of a single shot? How many shot were in ...
Saturday, April 10, 2010 at 6:30pm

Physical Chemistry
Assuming that the activation energy is about 111kjmol-1, calculate the fractional variation in the rate constant that would result from a temparature of 323.15 K
Thursday, April 8, 2010 at 10:56pm

physical science
What subdivisions make up the geologic time scale? What is the primary basis for differentiating the eras?
Thursday, April 8, 2010 at 7:12am

To: Bobpursely
You helped me with my observations yesterday, but I need help with my questions as well. I tried to answer as many as I could by myself, but I'm having difficulties understanding some. Pointing me towards the right direction would be helpful, thanks. Questions: Which ...
Wednesday, April 7, 2010 at 7:46pm

Science-Experiment-Questions
I did an experiment on a burning candle, and I need help with some of the questions. Thank you very much in return. Please no websites.--more information would be appreciated, thanks:-) I'll list everything of what we went through. Materials: -1 standard candle -scale -...
Wednesday, April 7, 2010 at 10:08am

Chemistry
2. [4 points] Serum cholesterol levels were monitored to investigate the effect of physical training. Prior to this training, blood samples were acquired from each of the 12 subjects and were tested for cholesterol level. After a week-long training period of daily running, the...
Wednesday, April 7, 2010 at 4:31am

Physical science
If the reading on a electric meter was 2345 kilowatt-hour and the next mouth was 3456 , how much electrical energy was used ?
Tuesday, April 6, 2010 at 8:46pm

Science-Urgent
I did an experiment on a burning candle, and I need help with some of the questions. Thank you very much in return. Please no websites.--more information would be appreciated, thanks:-) I'll list everything of what we went through. Materials: -1 standard candle -scale -...
Tuesday, April 6, 2010 at 7:21pm

physical chemisry
Estimate the freezing point of 150 cm3 of water sweetened with 7.5g of sucrose (C12H11O22). (Kf for water is 1.86 K kg mol-1; density of water is 1gcm-3)
Tuesday, April 6, 2010 at 2:41pm

Bus Law 201
Gavin, an 18 year old sudent was eating lunch on the grounds of a school. He threw a half- eaten apple toward the outside wall of a classroom some distance way. The apple sailed through a slowly closing door and struck a teacher who was in the room. The teacher was knocked to ...
Tuesday, April 6, 2010 at 11:47am

physical science
A butterfly at eye level is 18 cm in front of an plane mirror. You are behind the butterfly, 45 cm from the mirror. What is the distance between your eye and the image of the butterfly in the mirror?
Monday, April 5, 2010 at 10:10pm

Computer Science
w w w (dot)cs(dot)umass(dot)edu(slash)~verts(s​lash)coins105(slash)quizzes(slash)images​(slash)hw10(dot)gif Using the constants in cells A2:A9, create formulae for cells A12:A15 (surrounded by a dark line) to compute the corresponding "derived" physical ...
Sunday, April 4, 2010 at 11:04pm

physical science
how much current flows through a circuit if the resistence is 4 ohms and there is a 12 volt battery?
Saturday, April 3, 2010 at 4:42pm

Physical Chemistry
The presence of a catalyst provides a reaction pathway in which the activation energy of a certain reaction is reduced from 192 kJ·mol-1 to 72 kJ·mol-1. (a) By what factor does the rate of the reaction increase at 281 K, all other factors being equal? (b) By what...
Thursday, April 1, 2010 at 8:30pm

marketing
Select at minimum 3 major types of tests (examples include cognitive abilities, motor and physical abilities, personality & interests, and achievement tests, work sampling, etc) and discuss the legal and ethical implications you see with each test. What specific employment ...
Thursday, April 1, 2010 at 9:38am

Health
1. A 15-year old female patient has experienced daily nausea for the past two months. The patient states that she feels like "I've eaten something that has upset my stomach.: She denies vomiting and weight loss. The patient has noticed a weight gain of 10 lb within ...
Wednesday, March 31, 2010 at 1:31pm

physical
A proton resistor spring system in a magnetic field going out of the page has a mass of proton 1.67*10^-27 kg, a spring constant k=500 N/m and the resistor has r=5Ω. The magnetic field strength is 0.8T. a) When released from rest, calculate the maximum displacement. b) ...
Tuesday, March 30, 2010 at 10:30pm

confidentiality of health information
which discovery tool would be especially appropiated to use against a plaintiff claiming physical injuries that the defendant believes are being faked?
Tuesday, March 30, 2010 at 9:45pm

Health
1. A 15-year old female patient has experienced daily nausea for the past two months. The patient states that she feels like "I've eaten something that has upset my stomach.: She denies vomiting and weight loss. The patient has noticed a weight gain of 10 lb within ...
Tuesday, March 30, 2010 at 5:24pm

Health
Ok, here you go Ms. Sue. These are what I think the answers might be. Please correct me if they are not right. And thank you. 1. A 15-year old female patient has experienced daily nausea for the past two months. The patient states that she feels like "I've eaten ...
Tuesday, March 30, 2010 at 1:52pm

Health
1. A 15-year old female patient has experienced daily nausea for the past two months. The patient states that she feels like "I've eaten something that has upset my stomach.: She denies vomiting and weight loss. The patient has noticed a weight gain of 10 lb within ...
Tuesday, March 30, 2010 at 11:12am

marketing
The company you work for is considering changing its applicant testing process. Your supervisor has asked you to research testing methods and make your recommendation. This proposal will be submitted to the Vice President for review and consideration. For the purpose of this ...
Tuesday, March 30, 2010 at 7:23am

Health
1. A 15-year old female patient has experienced daily nausea for the past two months. The patient states that she feels like "I've eaten something that has upset my stomach.: She denies vomiting and weight loss. The patient has noticed a weight gain of 10 lb within ...
Tuesday, March 30, 2010 at 12:54am

Physical Chemistry
Three electrolytic cells containing solutions of CuNO3, Sn(NO3)2, and Fe(NO3)3, respectively, are connected in series. A current of 2.2 A is passed through the cells until 3.10 g of copper has been deposited in the cell. (a) What masses of tin and iron are deposited? tin g ...
Monday, March 29, 2010 at 9:44pm

Physical Chemistry
A total charge of 97.4 kC passes through an electrolytic cell. Determine the quantity of substance produced in each of the following cases. (a) the mass (in grams) of silver metal from a silver nitrate solution ?g (b) the volume (in liters at 273 K and 1.00 atm) of chlorine ...
Monday, March 29, 2010 at 9:18pm

social studies
What natural forces have helped shape the physical features of North America?
Monday, March 29, 2010 at 6:38pm

Physical Science
11. Chromium is produced by reacting its oxide with aluminum. If 76g of Cr2O3 and 27g of Al completely react to form 51g of Al2O3, how many grams of Cr are formed?
Sunday, March 28, 2010 at 10:09pm

Physical Science
Wave amplitude is related to A)wave velocity B)frequency C)energy D)wavelength
Friday, March 26, 2010 at 11:49pm

physical science
find the net force produced by a 40 Newton force and a 50 Newton force in each of the following cases: Both forces act in the same direction. Both forces act in opposite directions.
Friday, March 26, 2010 at 8:40pm

physical geography
Regarding to the adiabatic Process.. Why is there a DRY ADIABATIC RATE and a SATURATED ADIABATIC RATE?
Friday, March 26, 2010 at 5:30pm

physical science08
Friday, March 26, 2010 at 5:00pm

Medical Terminology
The patient reports smoking three packs of cigarettes per month. She denies drug and alcohol use. This statement is an example of A. social history B. family history C. physical examination D. chief complaint
Friday, March 26, 2010 at 4:18pm

physical science
i need to draw an example of a combined pulley
Friday, March 26, 2010 at 4:07pm

Medical Terminology
A 15-year old female patient has experienced daily nausea for the past two months. The patient states that she feels like "I've eaten something that has upset my stomach.: She denies vomiting and weight loss. The patient has noticed a weight gain of 10 lb within this ...
Friday, March 26, 2010 at 3:56pm

physical geography
why doea a rising parcel of unsaturated air cool more rapidly than a rising parcel of saturated air??
Friday, March 26, 2010 at 3:41pm

Science
I need help filling this blank. The difference between a "cool" solid and a "hot" solid is that the particles vibrate __________ in the cool solid. Would "freely" fit the blank? The difference between a solid and a liquid at the same temperature ...
Wednesday, March 24, 2010 at 10:22pm

Science
Which is not a physical property? a)state b)density c)ductility d)flammability I think it's d. Which one of these processes are chemically created? a)erosion of riverbank b)flow of molten lava c)heaving of rock by ice formation d)formation of limestone cave ?
Wednesday, March 24, 2010 at 10:08pm

Physical Science
two people pull on separate ropes attached to a cart. the angle between the ropes is 90 degrees and one person pulls with a force of 200 newtons while the other pulls with a fore of 400 newtons. find the resultant force and direction using the parallelogram method. is the ...
Wednesday, March 24, 2010 at 2:00pm

Physical science
Why don't you move when you pull a door open and the force the door exerts on you is equal to the force you exert on the door?
Monday, March 22, 2010 at 10:28pm

Changes in Matter
Which of the following are examples of a physical change? a)change in physical state b)change in size or shape c)change in properties d)change in texture e)change in physical quantities f)change in substances Answer: a, b, and d Please correct me if I'm wrong, thanks
Monday, March 22, 2010 at 7:28pm

Changes in Matter
Which of the following geological changes are physical changes and which are chemical changes? a)formation of a limestone cave b)creation of a canyon by a river c)wearing of rocks by wave action d)destruction of lakes by acid rain e)heaving of the ground by ice formation a = ...
Monday, March 22, 2010 at 7:26pm

Changes in Matter
Which of the following everyday activities are physical changes, and which are chemical changes? a)salting ice on a driveway b)burning leaves c)mixing sand with soil d)composting cut vegetation e)using a glue gun a = physical b = chemical c = ? d = ? e = chemical Please ...
Monday, March 22, 2010 at 7:21pm

Changes in Matter
Which of the following kitchen activities are physical changes, and which are chemical changes? a)cooking bacon-chemical b)making icing-physical c)baking a cake-chemical d)using oven cleaner-chemical e)making whipped cream-physical Please correct me if I'm wrong, thanks
Monday, March 22, 2010 at 7:16pm

Chemistry
C9H20 + 19/2O2 -> 9CO2 + 10H2O Please Can u find the physical states for this equation?
Monday, March 22, 2010 at 2:05pm

Chemistry
2NaHCO3 + H2SO4 ->Na2SO4 + 2H2O + 2CO2 Can u tell me physical states of the equation?
Monday, March 22, 2010 at 2:01pm

Chemistry
NaHCO3 + H2SO4 Na2SO4 + H2O + CO2 Use minimal integer numbers to balance the reaction. Include physical states in your answer.
Monday, March 22, 2010 at 1:11pm

thank you for you time i just want to see if i did my work correct.i will put the questions and answers and on the bottom of that i will put my answer. now as the train bears west, its rhythm rocks the earth, and from my Pullman berth i stare into the night while others take ...
Monday, March 22, 2010 at 11:14am

Writting papers
Please critique and correct this document in APA STYLE AND FORMAT. Nursing Theory as the Basis of Care Who am I? One of the greatest ironies of my life is that my generation has eyes yet can not see they have ears and yet can not hear. My generation has advanced so much in ...
Monday, March 22, 2010 at 10:03am

Physical Science
Consider the current-carrying wires in the figure. Both cases consist of long straight wires carrying a current I. In both cases, the wire is also bent in the shape of a circular loop of radius R. The only difference is in how the bending of the wire is done to create the ...
Friday, March 19, 2010 at 10:16pm

physical science
A sample of silver at 20.0 °C is heated to 100 °C when 1000 cal is added. What is the mass of the silver? (csilver = 0.056 cal/deg-gm)
Tuesday, March 16, 2010 at 10:13pm

physical science
An electric current heats a 225 g copper wire from 20.0 °C to 40.0 °C. How much heat was generated by the electric current? (ccopper = 0.093 cal/gm-deg)
Tuesday, March 16, 2010 at 10:13pm

physical science
How much heat must be removed from 500 g of water at 0 °C to form ice at 0 °C?
Tuesday, March 16, 2010 at 10:12pm

physical science
How much heat is necessary to vaporize 100 g of water at 100 °C to form steam at 100 °C?
Tuesday, March 16, 2010 at 10:03pm

physical science
How much heat is necessary to vaporize 100 g of water at 100 °C to form steam at 100 °C?
Tuesday, March 16, 2010 at 10:00pm

physical education
what is the difference between pileades and yoga
Monday, March 15, 2010 at 8:04pm

Physics
What would be the physical features of a simplified axon? and how would it differ from a natural axon?
Monday, March 15, 2010 at 5:45pm

physical science
in a transverse wave, the what is the lowest point?
Monday, March 15, 2010 at 1:37pm

Stress
I'm having a tough time brainstorming ideas about the four stress factors. I have to know why it's important for people to learn to deal with stress. Then I need to describe social, mental, emotional, and physical stress factors and its impact on living.
Sunday, March 14, 2010 at 9:15am

Physical Science
The frequency of circular motion for a charged particle moving around in the presence of a uniform magnetic field does not depend on ... a)The radius of the circle b)The mass of the particle c)The charge of the particle d)The magnitude of the magnetic field e)Actually, it ...
Saturday, March 13, 2010 at 7:47pm

PHYSICAL CHEMISTRY
For the equilibrium 2SO2(g) + O2(g) = 2SO3(g), what will change the value of Kp? A adding a catalyst B adding more O2 C increasing the pressure D increasing the temperature
Friday, March 12, 2010 at 12:25am

Auditing
1. Which of the following matters would an auditor most likely consider to be a significant deficiency to be communicated to the audit committee? A. Management's failure to renegotiate unfavorable long-term purchase commitments. B. Recurring operating losses that may ...
Thursday, March 11, 2010 at 11:53pm

Child Care Management
I have a questions that I have answered If some one could just check it Thanks. Neuron development and elaboration, which occurs between birth and age 10, is prompted by A.aural prompts from the family,school, and enviroment. B.physical movement on the part of the child. C....
Thursday, March 11, 2010 at 6:32pm

Physical Science
Two parallel transmission wires are laid between electrical towers. The distance between towers is 200 m, while the separation between the parallel wires is only 2.5 m. If the wires carry each a current of 1000 A, the magnitude of the force between the wires is closest to ... ...
Wednesday, March 10, 2010 at 10:12pm

child care management
One reason early childhood education centers have become increasingly important providers of health education is that A.schools are more sanitary than 70percent of home environments. B. younger, healthier teachers and classroom aides have emereged. c. physical education ...
Wednesday, March 10, 2010 at 9:59pm

Physical Science
A 9-Volt battery is used to charge a 280 mF capacitor over a 81 Ohms resistance. How long will it take for the capacitor to reach 75% of its maximum charge? What formula is relevant?
Wednesday, March 10, 2010 at 6:30pm

chem
Releasing oxygen gas, A physical change?
Tuesday, March 9, 2010 at 8:22pm

psy 210
For each of three developmental domains: physical, cognitive, and social/personality, identify two major changes or challenges associated with that developmental stage (adolescence, young adulthood, middle adulthood, and late adulthood). Stage of Development Physical ...
Tuesday, March 9, 2010 at 1:03am

Physical science
A man drinks a bottle of beer and proposes to work off it's 460 kj by exercising with a 20-kg barbell. If each lift of the barbell from chest height to over his head is through 60 cm and the efficiceny of his body is 10 percent under these circumstances, how many times ...
Monday, March 8, 2010 at 1:50pm

physical science
Does sound travelfaster in warm or cool air?
Sunday, March 7, 2010 at 4:02pm

Physical Science
Find the resulting acceleration from a 300 N force that acts on an object with a mass of 3,000 kg.
Saturday, March 6, 2010 at 6:16pm

Physical Science
A rock thrown straight up climbs for 2.50 s,the falls to the ground. Neglecting the air resistance, with wat velocity did the rock strike the ground?
Saturday, March 6, 2010 at 6:15pm

Physical Science
A rocket moves through outer space at 11,000 m/s. At this rate, how much time would be required to travel the distance from Earth to the Moon, which is 380,000 km?
Saturday, March 6, 2010 at 6:13pm

Physical Science
What is the acceleration of a car that moves from a speed of 5.0 m/s to a speed of 1 m/s during a time of 6.0s?
Saturday, March 6, 2010 at 6:12pm

Physical Science
How many meters away is a cliff if an echo is heard 0.500 s after the original sound? Assume that sound traveled at 343 m/s on that day.
Saturday, March 6, 2010 at 6:10pm

Physical Science
How much would 80.0 kg person weight (a) on Mars, where the acceleration of gravity is 3.93 m/s2, and (b) on Earth's Moon, where the acceleration of gravity is 4.63 m/s2?
Saturday, March 6, 2010 at 6:09pm

Physical Science
What was the average speed in km/h of a car that travels 400.0 km in 4.5h?
Saturday, March 6, 2010 at 6:08pm

Physical Science
A hot dog bun (volume 240cm3) with a density of 0.15g/cm3 is crushed in a picnic cooler into a volume of 195cm3. What is the new density of the bun?
Saturday, March 6, 2010 at 6:06pm

Physical Science
A cubic tank holds 1,000.0 kg of water. What are the dimensions of the tank in meters? Explain your answer.
Saturday, March 6, 2010 at 6:05pm

Please check my answers: #7-A firm's marketing mix decision areas would NOT include: A. Price B. Promotion C. Product *D. People* #8-The marketing mix: *A. Helps to organize the marketing strategy decision areas* B. Includes four variables-People, Place, Promotion, and ...
Friday, March 5, 2010 at 10:10pm

History
Can someone please proof read my essay! I am running out of time Please! edit,spell check,grammar please What was the impact of the Industrial Revolution The Industrial Revolution was a period from the eighteenth to the nineteenth century where major changes in agriculture, ...
Thursday, March 4, 2010 at 3:49pm

statistics
Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24-hour cycle of sleeping and waking—even if they are not exposed to the usual pattern of sunlight. To test...
Sunday, February 28, 2010 at 11:31pm

physical
What is pressure point?
Sunday, February 28, 2010 at 9:47am

school
As we age, our physical functioning deteriorates. This is most likely due to reduced efficiency in basic cellular processes. One cause of this is thought to be
Saturday, February 27, 2010 at 11:51pm

physics
PERIOD OF THE LEG The period of the leg can be approximated by treating the leg as a physical pendulum, with a period of 2pi*sqrt(I/mgh), where I is the moment of inertia, m is the mass, and h is the distance from the pivot point to the center of mass. The leg can be ...
Friday, February 26, 2010 at 9:33pm

Difference between a mixture and solution.examples of soluble and insoluble. Examples of physical and chemical changes
Thursday, February 25, 2010 at 7:18pm

Anatomy & Physiology II
I've included answers as well. Thanks in advance. 1. Chemical substances secreted by cells into the extracellular fluids that regulate the metabolic function of other cells in the body are called: a. enzymes b. antibodies c. proteins d. hormones I chose D as an answer. 2. ...
Thursday, February 25, 2010 at 5:32pm

Anatomy & Physiology II
I've included answers as well. Thanks in advance. 1. Chemical substances secreted by cells into the extracellular fluids that regulate the metabolic function of other cells in the body are called: a. enzymes b. antibodies c. proteins d. hormones I chose D as an answer. 2. ...
Wednesday, February 24, 2010 at 9:55pm

science
Can poor nutrition early in life be mitigated to allow for healthy physical growth and development later
Tuesday, February 23, 2010 at 4:05pm

science
okay i have a question which is on a key assesed piece explain the physical and chemical changes when a candle burns using the big idea of energy? what is the big idea of energy?
Tuesday, February 23, 2010 at 10:38am

Geography
#49. It has been said that Eastern Europe is a political region more than a physical region. Would you agree or disagree with this statement? You must provide a solid argument for your position. I'm not sure if I've posted this up already, but here's what I have so...
Monday, February 22, 2010 at 2:51pm

physical science
A driver starts his pack car and withinn 5 seconds reaches a velocity of 55km/h as he travels east. What is his acceleleration?
Monday, February 22, 2010 at 7:35am

Physical Science
A block of iron is transported to the moon . Which of the following is true 1) Both its mass and weight remain unchanged. 2)Its mass remains the same, but its weight decreases 3)both its mass and weight decreases 4)Its mass decreses, but it weights remain the same
Sunday, February 21, 2010 at 9:23pm

Do you believe that the move from selling music on a physical product to selling it digitally represents a change that will affect other industries
Sunday, February 21, 2010 at 5:48pm

chemistry
# Now look at the piece of paper. Using your knowledge of atoms from the Nuclear unit, * Describe two differences in the physical properties of water and the piece of paper. * Describe reasons the paper's physical properties are different from the water's physical ...
Saturday, February 20, 2010 at 10:39am

classroom instruction (final)
I choose fourth grade Physical Educational standards in my state which is Wisconsin. Leading an Active Lifestyle Performance standards By the end of fourth grade the students will be able to identify several less violent to energetic, strong, and active physical activities ...
Friday, February 19, 2010 at 9:55pm

Physical Chemistry
Calculate the equilibrium constant at 25°C and at 100.°C for each of the following reactions, using data available in Appendix 2A. Remember that the organic molecules are in a separate section behind the organic molecules in Appendix 2A. (a) HgO(s) Hg(l) + O2(g) at 25&...
Friday, February 19, 2010 at 9:29pm

classroom instruction 9not sure if i am right)
• Search the Internet to locate and review your state’s educational standards for a grade level and subject that interests you, such as second-grade language arts or fifth-grade science. i am doing physical education in wisconsin. this is what i have i am not sure if...
Friday, February 19, 2010 at 8:52pm

Physical Chemistry
When 1.00 g of gaseous I2 is heated to 1000. K in a 1.00 L sealed container, the resulting equilibrium mixture contains 0.830 g of I2. Calculate Kc for the dissociation equilibrium below. I2 <--> 2 I What I did was converted the initial I2 into moles then molarity since ...
Friday, February 19, 2010 at 6:15pm

Physical Science
If a cube of Jello is cut into two pieces, what property of the pieces did not change?
Wednesday, February 17, 2010 at 8:15pm

physical chemistry
how do i calculate a ratio of oxidised to reduced cytochrome c Fe2+ to Fe3+ given E(mV) at 25 C and pH7 as 100 and absorbance at 550nm as 1.5 E is relative to standard hydrogen electrode i dont know how im supposed to calculate it from this data
Wednesday, February 17, 2010 at 3:47pm

how do i calculate a ratio of oxidised to reduced cytochrome c Fe2+ to Fe3+ given E(mV) at 25 C and pH7 as 100 and absorbance at 550nm as 1.5 E is relative to standard hydrogen electrode i dont know how im supposed to calculate it from this data
Wednesday, February 17, 2010 at 11:40am

English
I beg you all to check these sentences I need to prepare for tomorrow. Thank you in advance. 1) The Anglo-Saxons were organised in clans and had to swear allegiance to the other members as well as to the lord of the tribe. 2) They praised physical courage and personal freedom ...
Tuesday, February 16, 2010 at 2:09pm

physical chemistry
for this equation Fe(CN)6 4- + Fe 3+ --> Fe(CN)6 3- + Fe 2+ at 310 K and pH 2 using the equation E = Eo + 2.303 RT/nF log K - 2.303 pH RTh/nF what is h ?
Tuesday, February 16, 2010 at 8:37am

physical biochemistry
One mole of an ideal monatomic gas initially at 300 K is expanded from an initial pressure of 10 atm to a final pressure of 1 atm. Calculate ��E, q, w, ��H, and the final temperature T2 for this expansion carried out according to each of the ...
Monday, February 15, 2010 at 9:42pm

Geography
#49. It has been said that Eastern Europe is a political region more than a physical region. Would you agree or disagree with this statement? You must provide a solid argument for your position. hmm...I agree that Eastern Europe is not so much a distinct physical region as it ...
Monday, February 15, 2010 at 4:30pm

Physical Chemistry
Calculate the concentrations of each of the following solutions. (a) the molality of chloride ions in an aqueous solution of iron(III) chloride for which xFeCl3 is 0.0195 (b) the molality of hydroxide ions in a solution prepared from 9.16 g of barium hydroxide dissolved in 179...
Monday, February 15, 2010 at 1:45pm

geo
what are the physical characteristics of china?
Friday, February 12, 2010 at 7:22pm

chemistry
what are the physical properties of sucrose?
Thursday, February 11, 2010 at 1:32pm

chemistry
What are the physical properties of sucrose.
Thursday, February 11, 2010 at 8:52am

Psychology
Consier a couple that has been married for over ten years and is exeriencing a lack of romance and sexul intest in one another. What might be some of the causes of the decrease in sexual interest? Do you thnk the lack of sexual interest might stem from mental causes, physical ...
Thursday, February 11, 2010 at 1:38am

Physical Chemistry
Determine the temperature change when 18.0 g of the following salt is dissolved in 190. g of water. The specific heat capacity of water is 4.184 J·K-1g-1. The enthalpies of solution in the table are applicable. Do not take the added mass of the salt into account when ...
Wednesday, February 10, 2010 at 3:02am

Marketing
How can the lack of a physical good in a pure service affect efforts to promote the service?
Tuesday, February 9, 2010 at 7:09pm

accounting
the spare parts inventory account shows an unadjusted balance of 450. a physical count shows a blance on hand of 100
Monday, February 8, 2010 at 1:11pm

physical science 2
Whatis the electrical force between two charged particles located 1.0 meter apart?
Sunday, February 7, 2010 at 7:25pm

physical science 2
Whatis the electrical force between two charged particles located 1.0 meter apart?
Sunday, February 7, 2010 at 7:25pm

English
Identify the appositive or appositive phrase in the following sentences. 1. Washington was awkward with women until he met his wife-to-be, Martha Custis. A= Martha Custis 2. No salary was paid to Washington, our country’s first millionaire. AP= our country’s first ...
Sunday, February 7, 2010 at 11:15am

pyschology
As we age, our physical functioning deteriorates. This is most likely due to reduced efficiency in basic cellular processes. One cause of this is thought to be:
Saturday, February 6, 2010 at 5:33pm

Physics
How is it that an electron accelerates towards the protons (nucleus) in a hydrogen atom? I had thought that the electric forces acting on each other is equal so they are in equilibrium.
Friday, February 5, 2010 at 6:11pm

Physics
How is it that an electron accelerates towards the protons (nucleus) in a hydrogen atom? I had thought that the electric forces acting on each other is equal so they are in equilibrium.
Friday, February 5, 2010 at 6:11pm

Physics
An electron is relased into a uniform electric field of magnitude 8.35 N/C. How many times larger is this electrons acceleration than the acceleration due to gravity on the surface of Earth? Is it just F= qE = ma (for the electron, and using E for electric field), and then ...
Friday, February 5, 2010 at 4:47pm

network
You have been asked to help upgrade the LAN at a very successful CPA firm with five departments in one building and a total of 560 employees. Although the firm's employees understand accounting, they haven't spent much time improving their network. Currently, it runs ...
Monday, February 1, 2010 at 9:50pm

Physical science
How does the angle a rocket is launched at affect the distance it travels?
Monday, February 1, 2010 at 1:23pm

physical chemistry
How many grams of NaC2H3O2 (M = 82.034 g mol-1) should be dissolved in 400.0 g of water to prepare a solution which is 11.28 % NaC2H3O2 by mass?
Saturday, January 30, 2010 at 3:43am

math
A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to posses a normal distribution with a mean of 450 seconds and a standard deviation of 50 seconds. Find the probability ...
Wednesday, January 27, 2010 at 8:46pm

HSM210
I have re done my assignment . Can someone check to see if I have answered theses correctly ? Also, how would I start to answer to question at the bottom of the page ? This is very confusing to me. Scenario 1: Violence Prevention in a High-Risk Community Karyn, a social ...
Wednesday, January 27, 2010 at 2:44pm

HSM210
Can someone please help me to start answering this question. I have been working on it since 6pm yesterday and it is now 3:50 am. I don't know where to begin . Also, did I match the sentences correctly with the correct type of prevention for the sentence ? Thank you, ...
Wednesday, January 27, 2010 at 5:11am

science
what are all of the formulas for physical science?
Monday, January 25, 2010 at 1:26pm

physical geography
i need to know how the elements of the planets,ie... solids, liquids,gasses and factoring in gravity and temperature combine to dictate their position from the sun?
Sunday, January 24, 2010 at 12:23pm

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