Tuesday
October 21, 2014

Posts by ANGELA


Total # Posts: 1,385

chemistry
my mistake. it's kj/mol
January 20, 2011

chemistry
what quantity of heat is required to vaporize 141 g of benzene at its boiling point 80.1 degrees celcius? heat of vaporization is 30.8 degrees celcius.
January 20, 2011

psy202
Write a 200-300 word summary describing a time when you had to test a theory. This theory may be something you have tested at work, school, or at home. Describe the situation. What type of informal research method did you use? How was your research method similar to research ...
January 15, 2011

Conductivity
1 M LiF(aq) will have (lower, the same, higher) conductivity than 1 M CsI(aq)? A. Same, all ions (Li+Cs+F–and I–) have the same magnitude of charge. B. Lower, the smaller ions (Li+ and F–) have a higher charge density, and therefore, a greater attraction to ...
January 12, 2011

Reaction Descriptions
Here is my thinking: 1. ad 2. bf 3. ce 4. d 5. af 6. ae I already attempted the question once and equations 2 and 6 are correct. Now I only have one attempt left.
January 12, 2011

PSY202
What are Hollands six types of personality theories
January 12, 2011

com170
Can you tell me if I correct all grammer errors?There are three kids in the room. We have been married for 20 years, and are relationship is as strong as ever. I am having trouble with my car. Can you give me some advice? The diplomats are doing what they can to restore peace...
January 9, 2011

COM170
I am to identify all writing errors and correct them. Can you tell me if I did it right. The errors can be in the following categories: comma usage,question marks, quotation mark, andapostrophes, capitaliazion,colons, and semicolons, and commonly misuesd words. Why are many ...
January 2, 2011

com170
I would like to know if there are any errors . like comma uuseage question marks,quotation mark, and apostrophes, capitalization, colons,semicolons, andcommonly misuesd words Why are many students choosing to pursue their college degrees using their home computers? Benjamin ...
January 1, 2011

com170
Can you tell me if i did the two sentences right the verb are in quotes and the tense are in paretheses. I "took"(past tense)what i learn my financial class to help me with a successful financial plan. I "will be taking"(future progressive tense) more class...
December 31, 2010

Enlish/com170
Can you tell me if i did my assignment right and what i need to change. I wrote five sentences about the role of education in successful financial planning. verb sre in quotes and the tense are in parentheses. Education "plays" (present tense) a major role in ...
December 31, 2010

com170
I am to write five sentences on the role of education in a successful financial planning. The verb are in quotes and the tense are in parentheses. Can you please tell me if I did it right. Education "plays"(present tense)a major role in successful financial planning...
December 30, 2010

com170
I would like to know if I did this assignment right write five sentences with the verb highlighed and the tense in parentheses Education "plays"(present tense) a major role in successful financial planning.You will "need"(future tense) to take a financial ...
December 30, 2010

com170
I would like to know if i am on the right track I am to write five sentence about the role of education in a successful financial planning.I am to highlight the verb and put the tense in parentheses. Here goes Education plays a major role in successful financial planning. verb...
December 30, 2010

psychology
I need the definition of Ecclectic theory in adult devlopement. I know it is a part of all theories related to adult developement but can't find a definition.
December 28, 2010

medical
an objective sign is one that 1. can be observed by another person. 2. precedes a disease 3. is felt by the patient and can't be observed by another person 4. causes the patient the most trouble
December 16, 2010

PSY 202
How can adults reject negative influences and benefit from positive ones in their current life?
December 15, 2010

PSY 202
Life experiences influence the moral, educational apptitude and the social area of an adult students choices.
December 15, 2010

PSY 202
Identify the benefits of life experiences for the adult student? Help!!
December 15, 2010

computers
macros queries tables or reports
December 12, 2010

computers
which one of the following elements must be contained in an access database
December 12, 2010

development
Physical, cognitive, and psychosocial!
December 12, 2010

development
Why is it important to study the three domains of adult development? Please help!!
December 12, 2010

Physics
A fixed 0.15 kg solid-disk pulley with a radius of 0.075 m is acted on by a net torque of 6.8 m·N. What is the angular acceleration of the pulley?
December 11, 2010

Math
A total of $11,000 was invested. Part of the $11,000 was invested at 4% and the rest invested at 7%. If the investments earn $680 per year, how much was invested at each rate?
December 10, 2010

7th grade
i need a science fair project and fast i only gave 1 day to do it please please help me!!!!!!!!!!!!! o no what would i do :(
December 6, 2010

HSM/220
I need help in understanding how to go about creating a budget for this assignment, excluding the Director and training supervisor's salary. I understand as far as th writing part of the assignment... I am lost when it comes to creating the budget where to put the numbers ...
December 6, 2010

HSM/220
You are the executive director of an established not-for-profit, community-based organization provider that offers high-quality educational, vocational, and training services to various segments of the local population. In response to the increasing dropout rate of high school...
December 6, 2010

physics HELP
A jet plane is flying with a constant speed along a straight line, at an angle of 27.0° above the horizontal, as Figure 4.30a indicates. The plane has weight whose magnitude is 86500 N, and its engines provide a forward thrust of 103000 N. In addition, the lift force (...
December 5, 2010

physics need help!
I really need help on this Q, don;t know what to do with multtiple complex forces: A jet plane is flying with a constant speed along a straight line, at an angle of 27.0° above the horizontal, as Figure 4.30a indicates. The plane has weight whose magnitude is 86500 N, and ...
December 5, 2010

phyics
A jet plane is flying with a constant speed along a straight line, at an angle of 25.0° above the horizontal, as Figure 4.30a indicates. The plane has weight whose magnitude is 86500 N, and its engines provide a forward thrust of 103000 N. In addition, the lift force (...
December 4, 2010

Calculus
What are the x-coordinates of the points of inflection for the graph of f(x)sin^2x on the closed interval [0,pi]?
November 30, 2010

Chemistry
If you mix 40.0 mL of a 0.389 M solution of K2CrO4 with 40.0 mL of a 0.389 M solution of AgNO3, what mass of solid forms?
November 20, 2010

chemistry
Thank you so much for your help! I understood the problem very well (=
November 19, 2010

chemistry
If you mix 20.0 mL of a 3.00 M sugar solution with 30.0 mL of a 5.57 M sugar solution, you will end up with a sugar solution of_______.
November 19, 2010

statistics
Please help!! I have been researching this online for hours with no luck... Q: What is the scope and scale of a chart or graph?
November 14, 2010

psychology
how can i compare and contrast neurophysiological substrates toward a personal situation
November 14, 2010

math
What fraction is greater? 5/16 or 5/17?
November 13, 2010

Finance
Would you be willing to pay $500 today in exchange for $10,000 in 30 years?
November 12, 2010

chemistry
Determine (a) the total number of Cl atoms in 125mL of liquid CCl4 (d= 1.589g/mL) and (b) the number of grams of carbon in 215 of sucrose, C12H22O11.
November 1, 2010

chemistry
Determine the number of NH4+ ions in a 145 g sample of (NH4)2SO4.
November 1, 2010

statistics/ please help ASAP
AJ DAVIS is a department store chain, which has many credit customers and wants to find out more information about these customers. A sample of 50 credit customers is selected with data collected on the following five variables: LOCATION (Rural, Urban, Suburban) INCOME (in $1,...
October 28, 2010

us history115
in waht ways did democracy create a new political culture? how did democracy impact social change?
October 26, 2010

Algebra
I need help. 6/x-3 + 2x/x^2-9 = 1/x+3
October 24, 2010

Algebra
Thanks so much.
October 24, 2010

physics
An east-west oriented conducting bar 2.0 m long moves north at 20 m/s through a magnetic field of 0.017 T, directed downward. What is the strength and direction of the electric field generated in the bar?
October 24, 2010

physics
There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a cylindrical container mounted so that it can be rotated about its axis by turning a hand crank. The outer wall of the cylinder is perforated with small holes. You put the wet ...
October 23, 2010

Physics
There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a cylindrical container mounted so that it can be rotated about its axis by turning a hand crank. The outer wall of the cylinder is perforated with small holes. You put the wet ...
October 23, 2010

Physics
Yes thank you. I got it can u help me with this one? There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a cylindrical container mounted so that it can be rotated about its axis by turning a hand crank. The outer wall of the cylinder ...
October 23, 2010

Physics
IM SO SORRY! it was right! Thanks again! I need help with one more question can u help me?
October 23, 2010

Physics
ok so v= 2(pi)(2900)/ (380) v=47.95 m/s a=v^2/r= (47.95)^2/(2900)= .792828... and I checked my answer and it was wrong
October 23, 2010

Physics
thats wrong, thanks anyways bobpursley
October 23, 2010

Physics
A car travels at a constant speed around a circular track whose radius is 2.9 km. The car goes once around the track in 380 s. What is the magnitude of the centripetal acceleration of the car?
October 23, 2010

math 116
In 1995, the life expectancy of males in a certain country was 65.3 years. In 1999 it was 68.8 years. Let E represent the life expectancy in year t and let t represent the numbers of years since 1995. the linear function E(t) that fits the data is, E(t)=_t+_ ( round to the ...
October 17, 2010

physics
If a proton is accelerated from rest through a potential difference of 1500 V, find its final velocity. proton mass = 1.67 x10−27 kg
October 15, 2010

Computer Networking
Your company expanded recently to include two new buildings for a total of three, roughly arranged in a triangle with each building 500 meters apart. Previously, these buildings were wired with Category 3 UTP running 10BaseT Ethernet. The IT director mandates that your company...
October 13, 2010

Geometry
in the middle of the trapezoid
October 13, 2010

physics
What is the average density of the earth? M = 5.97 x 10^24 kg , R = 6370 km
October 12, 2010

physics
The space shuttle releases a satellite into a circular orbit 700 km above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs? V = m/s ??
October 11, 2010

physics
A sports car of mass 950 kg (including the driver) crosses the rounded top of a hill (r = 88 m) at 27 m/s. Determine the normal force exerted by the road on the car. Determine the normal force exerted by the car on the 72-{\rm kg} driver.
October 11, 2010

physics
The space shuttle releases a satellite into a circular orbit 700 km above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs?
October 11, 2010

Buisness
How did U.S. manufactures become vulnerable to offshoring outsourcing? give examples to support your answer?
October 10, 2010

Physics
W = d(coefficient of fk)(mg) 700 = d(.272)(90)(9.8) d = 2.91m
October 5, 2010

Physics
The coefficient of kinetic friction between a suitcase and the floor is 0.272. If the suitcase has a mass of 90.0 kg, how far can it be pushed across the level floor with 700 J of work?
October 5, 2010

2nd grade math
Thank you!
October 4, 2010

2nd grade math
tell how 6+6 and 6+8 are related
October 4, 2010

2 grade math
ok i know math and i am smart so i will help you
September 30, 2010

physics
What is the average density of Mars? Mass = 6.42 x1023 kg, radius = 3390 km.
September 30, 2010

Health care management
do you have any ideas on how I could contact a health care manager via e-mail or conduct an online interview for the asnwers to these questions?
September 27, 2010

Health care management
I need a manager or administrator for a health care organization to assist me in the following: discuss the coordination of internal and external services. 1. Who are the key players? 2. How does coordination take place? 3. What activities or processes are in place to ensure ...
September 27, 2010

Physics
We can account for the energy lost to friction for a sliding object as... would it be friction force/time traveled?
September 25, 2010

Chemistry
The air holes have to be closed. When the flame is luminous it is easier to see and not as hot.
September 24, 2010

PHYSICS
Io is a satellite in Jupiter. The radius of its orbit is 422000 km. Its period is 1.77 days. Calculate the mass of Jupiter.
September 24, 2010

PHYSICS
vector B is 3.46 units long toward the east. Vector A is 4.00 units long 30 degrees N of E. How long and in what direction is C = A - B?
September 24, 2010

physics
a block of ice initially sliding at 15m/s on a frozen pond comes to rest after traveling 90 meters. What is the coefficient of friction?
September 24, 2010

Physics
A rifle is aimed horizontally toward the center of a target 220 m away. If the bullet strikes 48 cm below the center, what was the velocity of the bullet (ignore the friction)?
September 24, 2010

english/nursing
Why is nursing considered a professional career? I have to write a paper on professionalism and how nurses represent this.
September 21, 2010

communication
My text gives the definition of confidently aggresive, self assured, and the ability to recognize our rights and responsibilities while still respecting the rights of others so now im totally confused.
September 21, 2010

communication
What are the concepts of assertive communication? What are the benefits of being an assertive nurse? The only thing I can come up with is that being an assertive nurse would allow you to stand up to a physician or authority when you feel they have done something wrong and have...
September 21, 2010

college
Do you believe electrons exist and why or why not?
September 21, 2010

Science
If you do or do not believe in electrons can you explain why you do or do not?
September 21, 2010

Chemistry
Why do you believe electrons exist?
September 21, 2010

Science
Why do you believe electrons exist?
September 21, 2010

physics
A box is sliding down a ramp sloping 25° above the horizontal. The coefficient of kinetic friction is 0.15. What is the acceleration? The answer is 2.8 m/s^2. How can this be solved with out mass?
September 20, 2010

physics
A model rocket is propelled upward by a cylinder of compressed water. The cylinder emits water at a rate of 0.050 kg/second with an exit speed of 80.0 m/s. Initially, the rocket has a mass of 0.15 kg, including the water cylinder. What is the rocket's initial upward ...
September 20, 2010

physics
A model rocket is propelled upward by a cylinder of compressed water. The cylinder emits water at a rate of 0.050 kg/second with an exit speed of 80.0 m/s. Initially, the rocket has a mass of 0.15 kg, including the water cylinder. What is the rocket's initial upward ...
September 19, 2010

college physics
A box is sliding down a ramp sloping 25° above the horizontal. The coefficient of kinetic friction is 0.15. What is the acceleration? The answer is 2.8 m/s^2. How can this be solved with out mass?
September 19, 2010

college physics
What is the cross product a x b of the two vectors a = 64.00 m directed due east and b = 32.00 m directed 30° north of east?
September 19, 2010

College Physics
thank you
September 19, 2010

College Physics
A car initially traveling northeast (45° N of E) at 28.3 m/s takes 6.0 s to turn to the east. After the turn, the car is traveling due east at 20.0 m/s. What is the value and direction of the change in velocity?
September 19, 2010

physics
32 kg box sitting on a ramp has a coefficent of 0.21. If the ramp is raised, at what angle will the box begin slipping?
September 19, 2010

physics
A superball of mass 0.15 kg drops 2.3 m to the floor and rebounds perfectly. It is in contact with the floor for 0.012 s. What is the average force during the impact?
September 17, 2010

physics
you drive 2.0 km east and then 1.0 km northeast. What is your total displacement from the starting point?
September 17, 2010

Physics
At the instant a traffic light turns green, a car starts with a constant acceleration of 1.8 m/s(squared). At the same instant, a truck travelling at a constant velocity of 8.5 m/s passes the car. How far beyond the starting point will the car catch up to the truck?
September 15, 2010

Physics
^acceleration is 9.8 as well. and wheres 343 from ?
September 15, 2010

Physics
A rock is dropped from a sea cliff 400m high.If the speed of sound is a constant 330 m/s, how long after the rock is dropped is the sound of the splash heard at the top of the cliff?
September 15, 2010

Physics
make a parobala, find the highest point find the time for the whole thing, then dive the time in half. hope that kind of helped !
September 15, 2010

Chemistry
I need serious help with 3 different chemistry problems: 1. If coal is assumed to be all carbon, carbon has a molecular weight of 12 lb-mass/lb-mol, and oxgyen (diatomic) has a molecular weight of 32 lb-mass/lb-mol, how much carbon dioxide (lb-mass/day) is produced in 171.4 lb...
September 12, 2010

college physics
A 12 kg rock sits quietly on a spring, having displaced the end of the spring 0.12 m. What is the spring constant?
September 12, 2010

college physics
A diver begins a high dive with an angular velocity of 6.3 rad/s. By tucking himself into a ball, he decreases his moment of inertia by a factor of 9.0. What is his new angular speed?
September 12, 2010

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