Sunday

April 20, 2014

April 20, 2014

**Recent Homework Questions About Operating Systems**

Post a New Question | Current Questions

**Alegbra**

. Rachel has 15 coins with a value of $2.85. If the coins are either dimes or quarters, how many of each coin does she have? Write and solve using a system of equations.
*Thursday, February 27, 2014 at 1:32am*

**Alegbra**

A desk and a chair cost $200 as a set. If the desk costs four times more than the chair, how much does each one cost. Write and solve using a system of equations.
*Thursday, February 27, 2014 at 1:32am*

**Alegbra**

The length of a pool is 3 feet more than twice its width. If the perimeter of the pool is 72 feet, find the dimensions of the pool by writing and solving a system of equations.
*Thursday, February 27, 2014 at 1:31am*

**Alegbra**

Mary has a total of $5000 invested in two accounts. One account pays 5% and the other 8%. Her interest in the first year was $331. Write and solve a system of equations to find out how much she has invested in both accounts.
*Thursday, February 27, 2014 at 1:30am*

**Alegbra**

The sum of two numbers is 30 and their difference is 2. Find the two numbers by writing and solving a system of equations.
*Thursday, February 27, 2014 at 1:28am*

**algebra**

A desk and a chair cost $200 as a set. If the desk costs four times more than the chair, how much does each one cost. Write and solve using a system of equations.
*Wednesday, February 26, 2014 at 9:18pm*

**Math**

Why animals and plants are found on earth but are not on other planets of the solar system? Please ,,help me
*Wednesday, February 26, 2014 at 12:11pm*

**PHYSICS !!**

momentum before = momentum just after .045 * 165 = 2.045 * Vi solve for Vi, the inital velocity fater collision Ke = (1/2)(2.045)(Vi^2) initial kinetice energy of bullet-block system That Ke will be the work done by friction: Ke = F * d = mu m g * d m cancels so so 0.4 (9.81) ...
*Wednesday, February 26, 2014 at 10:37am*

**chemistry**

at an equilibrium mixture of PCl5, PCl3, and Cl2 has partial pressures of 217.0 Torr, 13.2 Torr and 13.2 Torr respectively. a quantity of Cl2 is injected into the mixture, and the total pressure jumps to 263.0 Torr (at the moment of mixing). the system then re-equilibrates. ...
*Wednesday, February 26, 2014 at 5:14am*

**social studies**

In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. Which contributed the most to San Francisco's population change? (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The Trail of Tears 2. ...
*Tuesday, February 25, 2014 at 7:04pm*

**Science help ms sue.**

Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements about the solar system&#...
*Tuesday, February 25, 2014 at 6:14pm*

**social studies(updated answers)**

8.Which region of Mexico is best for growing crops? A.Baja California B.Southern Mexico Plateau (I PICK THIS) C.Yucatán D.Northwestern Mexico 9.Like the United States, the government of Mexico is A.breaking away from a one-party system. B.an established dictatorship. C....
*Tuesday, February 25, 2014 at 1:29pm*

**science**

which of the following body systems does NOT rely on the autonomic nervous system to stimulate involuntary events? A. Skeletal System B. Digestive System C. Circulatory System D. Respiratory System
*Tuesday, February 25, 2014 at 1:22pm*

**social studies(updated answers)**

mrs.sue i never got to put my updated answers from when you said they were wrong so here they are please check them. 5.Mexico City was built by the A.Olmecs, when they began to grow maize. B.Maya, after they conquered the Valley of Mexico. C.Spanish, on the ruins of the Aztec ...
*Tuesday, February 25, 2014 at 1:13pm*

**physics **

Two spheres are mounted on identical horizontal springs and rest on a frictionless table, as in the drawing. When the spheres are uncharged, the spacing between them is 0.05 m, and the springs are unstrained. When each sphere has a charge of +1.6 £gC, the spacing doubles...
*Tuesday, February 25, 2014 at 12:07pm*

**chemistry**

at an equilibrium mixture of PCl5, PCl3, and Cl2 has partial pressures of 217.0 Torr, 13.2 Torr and 13.2 Torr respectively. a quantity of Cl2 is injected into the mixture, and the total pressure jumps to 263.0 Torr (at the moment of mixing). the system then re-equilibrates. ...
*Tuesday, February 25, 2014 at 6:42am*

**social studies **

Describe the apportionment system for state legislative districts.
*Monday, February 24, 2014 at 9:26am*

**social studies**

In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. Which contributed the most to San Francisco's population change? (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The Trail ...
*Sunday, February 23, 2014 at 6:14pm*

**U.S History - Pls check my answer :)**

Document A: It is impossible that the allied powers should extend their political system to any portion of either continent without endangering our peace and happiness; nor can anyone believe that our southern brethren, if left to themselves, would adopt it of their own accord...
*Sunday, February 23, 2014 at 5:14pm*

**college math **

Acrosonic manufactures a model G loudspeaker system in Plants I and II. The output at Plant I is at most 800/month, and the output at Plant II is at most 600/month. Model G loudspeaker systems are also shipped to the three warehouses—A, B, and C—whose minimum monthly...
*Sunday, February 23, 2014 at 2:37pm*

**Chemistry - check answers**

Can someone please check my answers and make sure they're correct? A) How much heat would it take to raise the temperature of 46.0 g of water from 90.0 to 100.0 C? Answer using correct sig figs, sign, and units. My answer: +1.92x10^3 J B) How many joules are released when ...
*Sunday, February 23, 2014 at 10:53am*

**Physics**

A 1.34‒kg ball is attached to a rigid vertical rod by means of two massless strings each 1.70 m long. The strings are attached to the rod at points 1.70 m apart. The system is rotating about the axis of the rod, both strings being taut and forming an equilateral triangle...
*Sunday, February 23, 2014 at 2:42am*

**college math HELP!!!!!**

Acrosonic manufactures a model G loudspeaker system in Plants I and II. The output at Plant I is at most 800/month, and the output at Plant II is at most 600/month. Model G loudspeaker systems are also shipped to the three warehouses—A, B, and C—whose minimum monthly...
*Saturday, February 22, 2014 at 7:11pm*

**Algebra**

Solve the following system of equations by the elimination method. 1/3x+1/4y=7 1/3x-3/4y=-9 a)The solution is___?(Type an ordered pair. Use integers or fractions for any numbers in the expression) b)Infinitely many solutions c)No solution
*Saturday, February 22, 2014 at 3:46pm*

**Physics**

Consider a car is heading down a 5.5° slope (one that makes an angle of 5.5° with the horizontal) under the following road conditions. You may assume that the weight of the car is evenly distributed on all four tires and that the coefficient of static friction is ...
*Friday, February 21, 2014 at 8:42pm*

**Physics**

A string going over a massless frictionless pulley connects two blocks of masses 6.4 kg and 13 kg. As shown on the picture below, the 6.4 kg block lies on a 32◦ incline; the coefficient of kinetic friction between the block and the incline is μ= 0.3. The 13 kg block...
*Friday, February 21, 2014 at 8:36pm*

**?????**

What net force is acting on this system if both blocks are on the table?
*Friday, February 21, 2014 at 8:14pm*

**Physics**

1. Two blocks on a frictionless horizontal surface are connected by a light string. The acceleration of gravity is 9.8 m/s^2. Find the acceleration of the system. Answer in units of m/s^2. 2. What is the tension in the string between the blocks? Answer in units of N. 3. If ...
*Friday, February 21, 2014 at 8:09pm*

**history**

What was the role of civil service examinations in Ming China? does anyone have any idea what the answer could be. I was looking on the internet and found this- --The civil service examination system, a an effective cultural, social, political, and educational construction ...
*Friday, February 21, 2014 at 6:49pm*

**physics**

Three blocks on a frictionless horizontal surface are in contact with each other. A force F is applied to block A and the blocks start to slide to the right of their initial position. Determine the acceleration of the system, if m_A = 12 kg, m_B = 38 kg, m_C = 4700 g, and F = ...
*Friday, February 21, 2014 at 1:12pm*

**Chemistry**

For the reaction given, the value of the equilibrium of the constant at 400 K is 7.0. Br2(g)+ Cl2(g)=2BrCl(g) Does the: Reaction proceed to the left? Reaction proceed to the right? Partial pressure represent a system in an equation?
*Friday, February 21, 2014 at 10:44am*

**Science**

An electric eel can generate a voltage of 600V across its body. The eel does this via a system of up to 6000 “electroplaques” inside its body. What is the average strength of the electric ﬁeld in V/m inside the body of a 10cm wide eel?
*Friday, February 21, 2014 at 5:50am*

**math **

the school bands sells carnations on Valentine's day for $2 each. They buy the carnations from a florist for $0.50 each , plus $16 delivery charge . how will i put this in a system of equation .
*Friday, February 21, 2014 at 12:22am*

**Language Arts-check answer-**

The article is at the bottom for this question: Skim the article “Cruise Control” to find the name of the bumper sticker service found in Arlington, Texas. a) 1-866-2TELLMOM b) 800-4-MYTEEN ******** c) Big Mother d) Dad’s Eyes Anne Rekerdres likes to call "...
*Thursday, February 20, 2014 at 11:00pm*

**Language Arts ~CHECK MY ANSWERS~**

Here is the article for the 1st one. Anne Rekerdres likes to call "the everlasting punishment". When the 17-year-old North Dallas senior came home with a speeding ticket in March, her dad, Randy, 47 slapped the back bumper of her beloved '92 red Ford Explorer ...
*Thursday, February 20, 2014 at 10:56pm*

**algebra**

The equation y-100x=2000 can be used to represent monthly salary of a salary of a salesman ,y when he sells x computer system what is the salesman monthly salary if he sells no computer. Answers are 20, 100, 2000, 2100 thank you
*Thursday, February 20, 2014 at 10:13pm*

**Statistics**

Astronomers treat the number of stars in a given volume of space as a Poisson random variable. The density in the Milky Way Galaxy in the vicinity of our solar system is one star per 16 cubic light years. (a) What is the probability of three or more stars in 16 cubic light ...
*Thursday, February 20, 2014 at 8:16pm*

**Science**

Which of the following body systems does not rely on the autonomic nervous system to simulate involuntary events? A. skeletal system B. digestive system C. circulatory system D. respiratory system A
*Thursday, February 20, 2014 at 5:22pm*

**Science**

Read an article, and use the article to jump-start your thinking about designing your very own space mission. Think about what you want to explore in the solar system (and why!) and how you might get there. Click on the link below to read the Science NetLinks article “...
*Thursday, February 20, 2014 at 5:09pm*

**Science**

Which of the following body systems has a component that stops functioning and leads to diabetes? A) endocrine system B) digestive system C) circulatory system D) nervous system A
*Thursday, February 20, 2014 at 3:47pm*

**Science**

Which of the following body systems does not rely on the autonomic nervous system to simulate involuntary events? A. skeletal system B. digestive system C. circulatory system D. respiratory system A
*Thursday, February 20, 2014 at 2:14pm*

**Science**

Which of these structures relies on the circulatory system to transport the chemical compounds that it makes to the other body structures? a- neuron b- salivary gland c- sweat gland d- pituitary gland I think it is the pituitary gland?
*Thursday, February 20, 2014 at 1:53pm*

**math**

Solve the system by graphing. Where necessary, indicate when the system has no solution or infinitely many solutions. y = –2x – 4 –2y = 4x + 8
*Thursday, February 20, 2014 at 11:20am*

**Physics**

mass of system = M = .082 + 863 Kinetic energy at bottom = potential energy at top (1/2) M v^2 = M g (.045) or v^2 = 2 (9.8)(.045) solve for v, total velocity at bottom after collision note - the masses do not matter
*Thursday, February 20, 2014 at 5:42am*

**Physics**

A student performs a ballistic pendulum experiment using an apparatus similar to that shown in the figure. Initially the bullet is fired at the block while the block is at rest (at its lowest swing point). After the bullet hits the block, the block rises to its highest ...
*Thursday, February 20, 2014 at 2:28am*

**Physics**

I only need help with part B. A 250W computer power supply is on 10 h per day. Part A If the cost of electricity is $0.15/kWh, what is the energy cost (to the nearest dollar) if this computer is used like this for a year (365 days)? 140 dollars Part B If this power supply is ...
*Wednesday, February 19, 2014 at 11:16pm*

**Quick math help please!!!**

Can someone show me the right answer to this system? Because I got a decimal but I don't know if that's right! 1. -2x+7y=-19 9x+7y=-30
*Wednesday, February 19, 2014 at 9:49pm*

**Math**

Can someone show me the right answer to this system? Because I got a decimal but I don't know if that's right! 1. -2x+7y=-19 9x+7y=-30
*Wednesday, February 19, 2014 at 8:09pm*

**algebra **

Need help doing a test change the test equation y-100x=2000can be used to represent monthly salary of a salesman when he sells x computer system what is the salesman monthly salary if he sells no computer
*Wednesday, February 19, 2014 at 7:41pm*

**Math help**

How would I solve this system? Y=-3 Y=x+1
*Wednesday, February 19, 2014 at 5:56pm*

**Math ~ Check Answers ~**

A system of linear equations is shown below. 5X = 3y - 2 y = X + 4 What is the x -coordinate of the solution? a.) 2 b.) 4 ***** c.) 5 d.) 1 Jean needs to graph the function below. y = 7x ^2 + 8x -6 How many times should the graph of this function intersect the x-axis? a.) 3 b...
*Wednesday, February 19, 2014 at 1:11pm*

**socialstudies(CHECK ANSWERS)**

5. Mexico City was built by the A.Olmecs, when they began to grow maize. B.Maya, after they conquered the Valley of Mexico. C.Spanish, on the ruins of the Aztec capital. (I PICK THIS) D.Mexican government, after Mexico gained independence. 8. Which region of Mexico is best for...
*Wednesday, February 19, 2014 at 1:03pm*

**socialstudies(CHECK ANSWERS)**

ANOTHER UPDATE FOR MY RECENT QUESTIONS I UPDATED ANSWERS....please check them 5. Mexico City was built by the A.Olmecs, when they began to grow maize. B.Maya, after they conquered the Valley of Mexico. C.Spanish, on the ruins of the Aztec capital. (I PICK THIS) D.Mexican ...
*Wednesday, February 19, 2014 at 12:37pm*

**socialstudies(CHECK ANSWERS)**

please check my updated asnwers thanks !! 5. Mexico City was built by the A.Olmecs, when they began to grow maize. B.Maya, after they conquered the Valley of Mexico.(I PICK THIS) C.Spanish, on the ruins of the Aztec capital. D.Mexican government, after Mexico gained ...
*Wednesday, February 19, 2014 at 12:18pm*

**algebra**

Solve the system by graphing: In order to receive credit for this problem you must show all your work. y=x+6 y=-3x+6
*Wednesday, February 19, 2014 at 12:01pm*

**socialstudies(CHECK ANSWERS)**

please check these answers ive been stuck on this stupid test for a whole week !!! 1. Sinkholes are found in the A.Mexican Plateau. B.Pacific Coastal Lowlands. C.Sierra Madres. D.Yucatán Peninsula.(I PICK THIS) 2. Compared to southern Mexico, northern Mexico A.has a ...
*Wednesday, February 19, 2014 at 11:41am*

**social studies**

please answer these im in desperate need for help...ive been stuck on it for hours. 1. Sinkholes are found in the A.Mexican Plateau. B.Pacific Coastal Lowlands. C.Sierra Madres. D.Yucatán Peninsula. 2. Compared to southern Mexico, northern Mexico A.has a drier climate ...
*Wednesday, February 19, 2014 at 9:57am*

**Math ~ Check Answers ~**

? ? ? ? ? ? ? ? A system of linear equations is shown below. 5X = 3y - 2 y = X + 4 What is the x -coordinate of the solution? a.) 2 b.) 4 ***** c.) 5 d.) 1 Jean needs to graph the function below. y = 7x ^2 + 8x -6 How many times should the graph of this function intersect the ...
*Tuesday, February 18, 2014 at 9:05pm*

**Math ~ Check Answers ~**

A system of linear equations is shown below. 5X = 3y - 2 y = X + 4 What is the x -coordinate of the solution? a.) 2 b.) 4 c.) 5 d.) 1 ***** Jean needs to graph the function below. y = 7x ^2 + 8x -6 How many times should the graph of this function intersect the x-axis? a.) 3...
*Tuesday, February 18, 2014 at 8:55pm*

**Physics**

Two protons, an infinite distance apart are brought together to a separation of 1 nm. What is the initial potential energy of the system?
*Tuesday, February 18, 2014 at 6:12pm*

**Math**

Every moment of every day, light pours out from the Sun at the center of our solar system and travels to Earth. It does not arrive at Earth instantaneously though; it takes time to get here. Your task is to figure out how long it takes for light to travel from the Sun to Earth...
*Tuesday, February 18, 2014 at 4:05pm*

**Algebra 1**

Julie subscribes to a sports magazine and a fashion magazine. She received 24 issues this year. The number of fashion issues is 6 less than twice the number of sports issues. Define the variables, and write a system of equations to find the number of issues of each magazine.
*Monday, February 17, 2014 at 9:51pm*

**chem**

You don't give enough information about the question to be sure but I assume this is a 10 eletcron system with 2e in the n = 1 and 8e in n = 2. So out of the 10 possibilities, 2 of them are from the n = 1 shell (2/10) and 8 of them are from the n = 2 (8/10).
*Monday, February 17, 2014 at 8:52pm*

**statistics**

Suppose that each unit of a system is up with probability 2/3 and down with probability 1/3. Different units are independent. For each one of the systems shown below, calculate the probability that the whole system is up (that is, that there exists a path from the left end to ...
*Monday, February 17, 2014 at 8:34pm*

**Ethics**

1. Modern-day determinism tends to be based in: A. religious teachings. B. science. C. the idea of predestination. D. intentionalism. is it B 2. Which of the following is theorized to play an important role in imitative behavior and our capacity to relate to and empathize with...
*Monday, February 17, 2014 at 4:13pm*

**Calculus II**

y = a x ^ 2 + b * x + c You must solve system of equations : a * x1 ^ 2 + b * x1 + c = y1 a * x2 ^ 2 + b * x2 + c = y2 a * x3 ^ 2 + b * x3 + c = y3 then put values of a , b and c in equation : y = a x ^ 2 + b * x + c
*Monday, February 17, 2014 at 3:21pm*

**Helpppppp**

The modern grocery has cashews that sell for $4.00 a pound and peanuts that sell for 2.50 a pound. How much of each must Albert the grocer mixed to get 60 pounds of mixture that he can sell for three dollars per pound? Express the problem as a system of linear equations and ...
*Monday, February 17, 2014 at 12:11pm*

**Math problem**

The modern grocery has cashews that sell for $4.00 a pound and peanuts that sell for 2.50 a pound. How much of each must Albert the grocer mixed to get 60 pounds of mixture that he can sell for three dollars per pound? Express the problem as a system of linear equations and ...
*Monday, February 17, 2014 at 11:58am*

**Problem solving **

A group of 52 people attendance ball game. There are three times as many children as adults in the group. Write a system of equations that you can use to solve this problem where a is the number amd C is the number of children in the group. How many children are in the group
*Monday, February 17, 2014 at 11:45am*

**Story problem**

A group of 52 people attendance ball game. There are three times as many children as adults in the group. Write a system of equations that you can use to solve this problem where a is the number amd C is the number of children in the group. How many children are in the group
*Monday, February 17, 2014 at 11:35am*

**PLEASE CHECK THESE ANSWERS AMERICAN GOV**

Grade Details - All Questions Question 1. Question : The nerve center of the American Presidency is Student Answer: the President’s Cabinet. CORRECT the Executive Office of the President. the Congressional houses. the Civil Service. Instructor Explanation: The answer can ...
*Monday, February 17, 2014 at 11:21am*

**Physical Science**

No system is completely closed off from its surroundings. Which represents a system that is almost completely closed? A. a capped soda bottle B. a wood-burning fireplace C. a washing machine D. a pot of boiling water I believe it is A.
*Monday, February 17, 2014 at 11:09am*

**Math**

When solving a system algebrically how can you tell if solution is the equation of the line
*Monday, February 17, 2014 at 8:37am*

**Math**

When solving a system algebraically how can you tell if there is no solution
*Monday, February 17, 2014 at 8:35am*

**math**

The telephone company has 25 computer controlled switching systems. Each system handles 700,000 calls an hour. The system works at 96% accuracy. How many calls would not accurately
*Sunday, February 16, 2014 at 9:31pm*

**GEN 499 General Education **

These are the automatically computed results of your exam. Grades for essay questions, and comments from your instructor, are in the "Details" section below. Date Taken: 2/16/2014 Time Spent: 27 min , 35 secs Points Received: 24 / 25 (96%) Question Type: # Of ...
*Sunday, February 16, 2014 at 9:29pm*

**Intermediate Algebra**

Solve the system of equations by graphing. Then classify the system. y=-x-13 5x-4y=-20 What is the solution of the system? a)The solution is___? b)There are infinitely many solutions c)There is no solution Is the system consistent or inconsistent? a)inconsistent b)consistent ...
*Sunday, February 16, 2014 at 5:12pm*

**Intermediate Algebra**

Solve the following system of equations. x+4y=5 x=6-4y What is the solution of the system? a) The solution of the system is ___? (TYPE AN ORDERED PAIR) b) There is no solution
*Sunday, February 16, 2014 at 2:04pm*

**Math help mrs sue**

When solving A system by graphing how can you tell if the solution is the equation of the line
*Sunday, February 16, 2014 at 12:23pm*

**Intermediate Algebra**

Solve the system of equations by graphing. Then classify the system. f(x)=x+1 g(x)=-8x+10 What is the solution of the system? a)The solution is___? b)There are infinitely many solutions c)There is no solution Is the system consistent or inconsistent? a)inconsistent b)...
*Sunday, February 16, 2014 at 12:22pm*

**Math**

When solving A system by graphing how can you tell if the solution is the equation of the line
*Sunday, February 16, 2014 at 12:11pm*

**Physics**

A coin is dropped from a hot-air balloon that is 325 m above the ground and rising at 12.5 m/s upward. For this problem use a coordinate system in which up is positive. Find the maximum height reached for the coin in meters
*Saturday, February 15, 2014 at 11:07pm*

**Chemistry**

There are two open beakers placed in a sealed box at constant temperature. Beaker 1 has 25 ml of .1 M NaCl in water. Beaker 2 has 45 ml of .05 M NaCl in water. What happens as the system goes towards equilibrium and what is the final contents in each beaker?
*Friday, February 14, 2014 at 2:04pm*

**Chemistry**

I don't get it. Aren't these the names? Perhaps you want the formula. By the way, the Stock system uses Roman numerals. You have used the number 1; you should use the capital i so it would look like this. arsenic (III) sulfide. etc.
*Thursday, February 13, 2014 at 8:39pm*

**Math**

Where did you find this problem? at t = 0, the senior has to be at 20 feet I think. however your function shows her at 1.25 feet at t = 0 That is not right. Moreover in real life h = Hi + Vi t -(1/2) g t^2 in the feet/seconds system -(1/2) g t^2 is about -16 t^2 NOT -t^2
*Thursday, February 13, 2014 at 6:52pm*

**English 3**

Which of the following items is not usually a factor in linguistic change? A. geographic isolation B. decision of government body C. influence of other languages D. education system
*Thursday, February 13, 2014 at 2:06pm*

**english**

Can you please summarise this for me? Women's rights have been enshrined in the constitution,but very little has changed in the lives of the majority of rural women in South Africa. A major stumbling block is the high level of illiteracy among rural women. Because they are...
*Thursday, February 13, 2014 at 8:56am*

**Algebra 2**

Ordinary corn syrup contains dextrose sugar. A process called enzyme conversion changes it into a syrup that is 42% fructose. This new syrup can be further treated with fractionation columns to make a syrup that is 95% fructose (high fructose corn syrup). Manufacturers of soft...
*Thursday, February 13, 2014 at 1:59am*

**Aditya**

It's easy to understand if you look at it this way. Le Chateier's Principle tells us that when a stress is added to a system in equilibrium, the system will shift so as to undo what we've done to it. The equation tells you that heat is given off when it reacts left...
*Wednesday, February 12, 2014 at 9:32pm*

**Chemistry**

Br2(l)+Cl2(g) (double arrow) 2BrCl(g) dH=+29.4 kJ/mol I am having trouble understanding this. Will the system shift left, right, or unchanged and why? a.Increasing Temp. b. Increasing pressure in flask by adding Ar. c. Increasing volume of flask d. Adding Br2(l)...is answer ...
*Wednesday, February 12, 2014 at 9:02pm*

**Aditya**

Br2(l)+Cl2(g) (double arrow) 2BrCl(g) dH=+29.4 kJ/mol I am having trouble understanding this. Will the system shift left, right, or unchanged and why? a.Increasing Temp. b. Increasing pressure in flask by adding Ar. c. Increasing volume of flask d. Adding Br2(l)...is answer ...
*Wednesday, February 12, 2014 at 9:00pm*

**History**

Why would the canal developers have studied the British canal system before they designed the Erie Canal? Write four questions the developers might have asked during their studies.
*Wednesday, February 12, 2014 at 12:57pm*

**Physics**

On a frictionless table, a glob of clay of mass 0.54 kg strikes a bar of mass 1.24 kg perpendicularly at a point 0.27 m from the center of the bar and sticks to it. 1. If the bar is 1.02 m long and the clay is moving at 6.3 m/s before striking the bar, what is the final speed ...
*Wednesday, February 12, 2014 at 11:14am*

**physics**

Three blocks on a frictionless surface are connected by massless strings, with M1 = 1.40 kg, M2 = 2.40 kg, and M3 = 3.60 kg. Due to the force F acting on M3, as shown, the system accelerates to the right. Given that T1 is 3.50 N, calculate T2
*Wednesday, February 12, 2014 at 10:46am*

**please help me.. physics**

Do a Google search for " natural frequency of spring mass system" You should know it by heart.
*Wednesday, February 12, 2014 at 10:22am*

**Physics - please help me..**

A 1.35 kg mass is suspended from a spring with a spring constant of 189.0 N/m. The spring is attached to a rod which oscillates vertically at a frequency f. For what value of the frequency f will the system resonate?
*Wednesday, February 12, 2014 at 10:19am*

**physics**

A set of crash tests consists of running a test car moving at a speed of 11.6 m/s (25.52 m/h) into a solid wall. Strapped securely in an advanced seat belt system, a 61 kg (134.2 lbs) dummy is found to move a distance of 0.69 m from the moment the car touches the wall to the ...
*Wednesday, February 12, 2014 at 10:06am*

**physics**

1 What is the gravitational field strength at a height h above the surface of the Earth? R is the radius of the earth gR2(R+h)2 gR(R+h) Rg(R−h) R2g(R−h)2 2 The instrument used for experimental determination of the value of the universal gravitational constant G is ...
*Wednesday, February 12, 2014 at 6:37am*

**phy**

1 What is the gravitational field strength at a height h above the surface of the Earth? R is the radius of the earth gR2(R+h)2 gR(R+h) Rg(R−h) R2g(R−h)2 2 The instrument used for experimental determination of the value of the universal gravitational constant G is ...
*Wednesday, February 12, 2014 at 6:37am*

**socialstudies(CHECK ANSWERS)**

please answer these im in desperate need for help...ive been stuck on it for hours. 1. Sinkholes are found in the A.Mexican Plateau. B.Pacific Coastal Lowlands. C.Sierra Madres. D.Yucatán Peninsula. 2. Compared to southern Mexico, northern Mexico A.has a drier climate ...
*Wednesday, February 12, 2014 at 12:50am*

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