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Physical Education

Physical Science
C(s) + H2O(g) + Heat <--> CO(g) + H2(g) 17. How would you adjust the temperature to increase the amount of product? 18. Does the removal of hydrogen gas as it is produced shift the reaction to the left or the right? My last two questions on my homework that I just can't ...

Physical Science
Which of the following is a single replacement? a. KOH + HCl --> KCl + H2O b. 2Na + 2H2O --> H2 + 2NaOH c. 2C2H6 + 7O2 --> 4CO2 + 6H2O d. H2O + CO2 --> H2CO3 Any help would be appreciated, thank you in advance!

pure maths, life science, physical science, geogra
what can you study with those subjects

Physical science
A rock is dropped from a height of 60 m and is in free fall. What is the velocity of the rock as it reaches the ground 3.5 seconds later?

poetry (Pioneer by Dorothy Livesay)
I have to answer the questions according to this poem, I have answered them but just want someone to look over them to see if they are right. The last one I had trouble with and need help on that one too. The answer that I think it is I have put arrows on them. Help would be ...

physical science
A 12-kg iron ball is dropped onto a pavement from a height of 90m. Suppose half of the heat generated goes into warming the ball. What is the temperature increase of the ball in degree C

physical science
when an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 3000 j. by how much does the potential energy of an 22.0 kg child increase when the child climbs a normal staircase to the second floor?

physical sciebce
when an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 3000 j. by how much does the potential energy of an 22.0 kg child increase when the child climbs a normal staircase to the second floor?

Statistics
1.The average number of acts of physical violence in a random sample of 150 TV movies was 4.5 acts with a standard deviation of 0.75. At the 95% confidence interval level, what is your estimation of the mean range of all movies shown in the television? Explain the result in ...

psychology
During periods of physical development, the __________ of a sensation is critical if perception is to function normally. A. experience B. interpretation C. expectation D. mass function

science
heating a mixture of iron and sulfur is it chemical or physical

physical science
a 300 kg astronaut and equipment move with a velocity of 2.oom/s toward an orbiting spacecraft. How long must the astronaut fire a 100N rocket backpack to stop the motion relative to the spacecraft?

physical education
draw a pole vault field

8th Grade Physical Science
Calculate the density of a sample of gas with a mass of 30 g and volume of 7500 cm3.

physical science
if 96g so2 is added to 2 moles of oxygen at stp, what is the mass of so3 that is formed

physical science
calculate the mass and volume of oxygen released when 29;4g potassium chlorate decomposes to form potassium chloride and oxygen

physical science
calculate the number of moles of H2SO4 wich were added to the NaOH solution

english
Summarize the main points of this reading.Possible points to reflect upon for your reflection paper and for workshop discussion are: 1)Ray has been diagnosed with Tourette’s Disorder, a neurological disorder which also appears in the DSM-5. How would you distinguish a mental...

Physical Conceptual Science
Trucks often have signs on the back that say, “If you can’t see my mirrors, I can’t see you.” Explain the physics.

Law
1. The law enforcement defense extends only to those people tasked with and legally authorized to enforce laws. This includes which of the following? A. City, state, and federal law enforcement B. All security guards C. Citizens on patrol with the legal right to carry a weapon...

english
Read “Witty Ticcy Ray” by Oliver Summarize the main points of this reading.Possible points to reflect upon for your reflection paper and for workshop discussion are: 1)Ray has been diagnosed with Tourette’s Disorder, a neurological disorder which also appears in the DSM-...

physical science
A person has a mass of 50.0 kg. what is the pressure they exert on the blades of their ice skates if each skate blade is 15.0 cm long and 5.00 mm wide?

physical science
A man loads 1,000 sacks of flour into a truck in 30.0 minuets.Each sack has a mass of 20.0 kg and the man must lift each sack 1.00 m from a cart up onto the truck bed. How much power did the man develop ?

Customer Service
1. Which of the following is strategies my best ensure a positive relationship with supervisor? A. Answering any criticism concerning your job performance with a strongly worded defense B. Gathering answers to any questions you may have regarding your duties by the following ...

Physical Science
A 20,000 kg railroad car is traveling at 3 m/s when it collides and couples with a second, identical car at rest. What is the resulting speed of the combined cars?

Economics
A person is willing to pay $50 per visit for physical therapy, but she pays $35 per visit. This person receives a consumer surplus of $85 per visit.

physical
Water flow along horizanta pipe at cross sectional area 48cm which has a constriction at cross sectional area 12cm at one place if the speed at the water at the constriction point is 4m/s calculate the speep at the wide section

Physical Chemistry
Integrate the expression β = 1/V (δV / δT) at constant pressure, assuming that β is independent of temperature. By doing so, obtain an expression for V as a function of T and β at constant P.

social studies
What are the unique physical characteristics of the Atlantic Coastal plain Region?

Geography
Which statements describe the geographic theme of regions? Select all that apply. Different types of regions have little or no effect upon each other. Climate regions are defined by their average temperature and their political system. Physical regions can be formed by ...

Physical Science
Judy (mass 45.0 kg), standing on slippery ice, catches her leaping dog, Atti (mass 12kg), moving horizontally at 4.0 m/s. Use the conservation of momentum to find the speed of Judy and her dog after the catch.

Introduction to Occupational Thearpy
1. What type of facility treats most of conditions and may offer outpatient occupational therapy services? A. federal institutions B. rehabilitation hospitals C. acute care hospital D. work hardening centers (My Answer is B) 2. Which of the following professions considers the ...

Math
There are 50% more girls than boys in Mr. Lee's physical classes. If 40% of the girls and 20% of the boys got an A on the last test, what percent of all the students got an A on the test?

physical science
a sample gas occupies 1.00 x 10 to the 6th at 575 mm Hg. if the pressure is changed to 950 mm Hg, what will its volume be if the temperature remains the same?

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 381,000 km?

Physical Education
What are the components of fitness? Are aerobic and anaerobic fitness, types?

physical
in a water tank is filled wiyh 1026 lter of water,we want to mixed sodium nirtride by 17% of the water,how much we used sodiume nitride in kilogram in to the water?

physical mod
What mass (in grams) of steam at 100°C must be mixed with 462 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 40.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, and the latent heat of ...

Physical Science
2. Including a full-wave rectifier in an AC circuit will yield a(n) _______ current. A. continuous alternating B. continuous direct C. intermittent direct D. intermittent alternating

Physical Science
2. Including a full-wave rectifier in an AC circuit will yield a(n) _______ current. A. continuous alternating B. continuous direct C. intermittent direct D. intermittent alternating

Physical Science
a student is given a 10 gram sample of gold that has a density of 19.32g/cm3. The student is then given a 5 gram sample of an unknown substance and told the density of the unknown substance is 19.32g/cm3. What is the unknown substance

physical
a tortoise walks north at 0.4 mg for 14 meters, then north at 0.2mg for 30 meters ,then south at 0.3 m/s for 60 meters.what is his average speed?

history
Describe the physical surroundings of Catal Huyuk. Check my answer The roofs were made of woven reeds and mud and were connected to one another like a honeycomb . Each dwelling contained an open hearth an oven in the wall and clearly defined sleeping area.

Ancient History
Describe the physical surroundings of Catal Huyuk

health 5 grade
i need help in health subject for my son 5 grade Question 1- connect suppose you have a cold. this affects your physical health. does if affect your mental,emotional,family, and social health, too? explain why or why not. Question 2- practice healthful behaviors Make a list of...

physical science
what is the density of iron if 5.0 cm at the third has a mass o 39.5 grams

Diff Eq
Consider a body moving along a straight line, in the presence of an external force providing constant acceleration a. In the absence of other forces, the velocity v of the body would increase without bound if a 6= 0. But in reality, there will always be a decelerating force, ...

Geography
Near which type of physical geographic feature were the first farming villages built?

Physical Science
which waves have wavelengths longer than those of visible light? Give an example of how each kind of wave is used.

physical pharmacy
Hoy does KH2PO4 induce controlled flocculation..?

Please help Physical pharmacy
How does KH2PO4 induce controlled flocculation?

Geography
What is the difference between natural and artificial boundaries? My answer: A natural boundary is based on physical features of land, such as rivers, lakes, or chains of mountains, whereas an artificial boundary is a fixed line generally following latitude or longitude lines.

Geography
What physical features make up the natural boundaries between the United States and Canada?

Physical Science
The Magnetic field lines of a bar magnet begin near the magnet's _____________. I believe this question is asking where the lines begin (ie leave) the bar magnet...which would be the north pole.

Physical Science
The primary colors of pigments A. are cyan, yellow, and magenta. B. are the same as the secondary colors of light. C. combine in equal amounts to produce black. D. all of the above I think it's D.

Please help Physical pharmacy
How does KH2PO4 induce controlled flocullation?

Physical Science
Energy from the sun reaches Earth mostly by A. conduction. B. convection. C. radiation. D. thermal expansion. I think it's A.

Physical Science
If no friction acts on a diver during a dive, then which of the following statements is true? A. The total mechanical energy of the system increases. B. Potential energy can be converted into kinetic energy but not vice versa. C. (KE+ PE)beginning = (KE + PE)end D. all of the ...

Physical Science
When opposite poles of two magnets are brought together, the poles A. attract each other. B. repel each other. C. cancel each other. D. cause a net force of zero. I think it's B.

physical pharmacy please help
How are colloidal dispersions different from other types of dispersed systems?

physical science
a soccer ball is kicked 25 meter,It's maximum hight is 6 meter,Wha is its initial velocity and the time of flight

social studies
I am a student conducting a survey for homework. 1. How many miles per day do you commute for work or school? (both ways as well as any additional on-the-job traveling all combined) 2. What is the furthest place from you to which you have vacationed in the past year? (city and...

Introduction to Physical Science
If two protons and two neutrons are removed from the nucleus of an oxygen-16 atom, a nucleus of which element remains? It was simple to say that oxygen-16 remains but is there a formula for this. Thank you

physical pharmacy please help
Explain the importance of solubility to dissolution.

Physical Science
Which of the following does NOT show the law of conservation of mass? A. 24 g of Mg burn in 32 g O2 to produce 56 g of MgO. B. 24 mL of Mg burn in 32 mL O2 to produce 56 mL of MgO. C. 2 atoms of Mg react with 1 molecule of O2 to produce 2 units of MgO. D. 1 atom of Mg reacts ...

Physical Science
Which of the following statements about ice melting is true? A. Energy flows from the ice to its surroundings. B. Water molecules move from their fixed position. C. Water molecules lose energy. D. The temperature of the ice increases as it melts. I think it's C.

Physical Science
Which of the following is a heterogeneous mixture? A. water in a swimming pool B. sugar water C. a jar of mixed nuts D. stainless steel I think it's B.

Psychology
1.Which of the following is an example of something that remains stable across the lifespan? A. Gender (I chose this) B. Physical size C. Language D. all over above 2. Which of the following is true of the life-span perspective? A. It is primarily concerned with ...

Early childhood
I need to see an written example of a summary report on a child for preschool that covers the seven domain. 1.Personal and social development 2. Language and Literacy 3. Mathematical Thinking. 4. Scientific Thinking. 5. Social Studies. 6. the Arts. 7.Physical development, ...

English
What is the physical journey like in the novel "Murder on the Orient Express" and how does it add to the meaning?

Introduction to Physical Science
How do you calculate the wavelength of the radio waves that are produced is 561 m, when electrons on a radio broadcasting tower are forced to oscillate up and down an antenna 535,000 times each second.

Introduction to Physical Science
A rule of thumb for estimating the distance in kilometers between an observer and a lightning stroke is to divide the number of seconds in the interval between the flash and the sound by 3. Discuss whether or not this rule is correct. I say it is correct because the speed of ...

Health
Physical signs of stress typically include ________. A. Stomach growling B. Tense muscles C. Tickling sensation D. All of the above I think it's D.

Chemistry
A student breaks a thermometer and spills most of the mercury (Hg) onto the floor of a laboratory that measures 15.2 m long, 6.6 m wide, and 2.4 m high. (a) Calculate the mass of mercury vapor (in grams) in the room at 20°C. The vapor pressure of mercury at 20°C is 1.7 × 10...

Introduction to Physical Science
Hello, I always thought that sound was to loud when it hurts our ears or when sound vibration can make extremely loud noises. I am stuck on the following question: How loud is too loud? When is a sound too loud? What can be done about sounds/noises that are too loud for you?

P.E.
What is the key determinant in establishing the status of a physical education program within a school?

health Environment
Contrast the typical profiles of higher and lower molecular weight chemicals as to their physical-chemical properties and their behavior in the environment?

physical science
The prefix kilo- means what?

physical
choose one quality which is important to your chosen activity technical physical personal special

Biology
Which of the following statements about the compound HCl is true? *The physical and chemical properties of HCl are different from those of H2 and Cl2. *Only the physical properties of HCl are different from those of H2 and Cl2. *Only the chemical properties of HCl are ...

Statistics
Use the following table to answer questions 7 and 8: This table displays results from a prospective cohort study evaluating meat intake and mortality. The table displays hazard ratios for mortality by quintile of red meat intake. Table 2. Multivariate Analysis for Red, White, ...

Introduction to physical science
I am not understanding this because I thought ice ruins the fruit. Could you please help. Why does spraying fruit trees with water before a frost help protect the fruit from freezing?

Physical Science
HELP WITH THESE PLEASE! If you ride your bike at an average speed of 4km/h and nee to travel a total distance of 28 km, how long will it take you to reach your destination? A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg ...

physical science
I am having a little trouble with this problem. can someone please HELP! During a race, a runner runs at a speed of 6m/s. 2 seconds later, she is running at a speed of 10 m/s what is the runner's acceleration?

Introduction to Physical Science
How do the pressure variations with depth affect our ability to explore the ocean?

Physics
Rotating cylinders are not just physical abstractions: for example, they can turn a flow of the air, thus creating lift as the airplane wings. Historically people have even used rotating cylinders to power ships (although with little efficiency). NASA wrote more about this ...

Introduction to Physical Science
When a cannon with a longer barrel is fired, the force of expanding gases acts on the cannonball for a longer distance. What effect does this have on the velocity of the emerging cannonball? (Do you see why long-range cannons have such long barrels?)

physical sciences
how are the structural formulas of water,, acetone,ethanol and methylated spirit written?

child psychology in general
most traditional childrens nursery rhymes? a.were written by children b.were written by educators c.make fun of physical distinctions d.encouage tolerance of others my answer is b

Writing
Please grade my ACT writing test on a scale of 1-Please make corrections and give me feedback. By the way, I wrote this essay in 30 minutes. ACT Test Prompt: Schools in some states have changed their school calendars so that they are now year-round schools. Advocates of year-...

Writing
Please grade my ACT writing test on a scale of 1-6. Please make corrections and give me feedback. By the way, I wrote this essay in 30 minutes. ACT Test Prompt: Schools in some states have changed their school calendars so that they are now year-round schools. Advocates of ...

physical
A box slides downwards at a constant velocity on an inclined surface that has a coefficient of friction uK = .58 The angle of the incline, in degrees?

physical science
During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber,

science
Most of the processes that influence the hydrologic cycle are: A. biological processes. B. physical processes. C. ecosystem processes. D. wind processes. is it B

english
Need Help.Please and Thanks. Read each of the following topic sentences, create your own topic sentence that expresses something about your particular opinion on the subject. Example: Topic sentence provided: When I have free time, I like to relax with a good movie or book. ...

Physics
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except that one is made of wood (mass = 0.17 kg) and the other of metal (mass = .85 kg). They are ...

life orientation
Lack of physical fitness and proper nutrition in the adolescent factors behaviourimpact on the adolescent

Chemistry
Write a balanced net ionic equation (include physical states) for the following reaction: HClO2(aq)+NaOH(aq)=H2O(l)+NaClO2(aq)

MT
He has, on physical examination, many erythematous actinic keratosis still present on the forearm. They are flat, but these are much less than before. He has, in addition, on his buttocks, 2 lichenified areas of erythema bilaterally on the buttocks where he sits.

eth/125
Ethnicity refers to a.racial differnces b.diffrences in physical and mental characteristics c.cultural diffrences d.citizenship

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