Thursday
July 24, 2014

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

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physics
A diagram shows two cylinders containing two pistonsA and B. The two cylinders are connected with a tube containing a fluid. The system is similar to the hydraulic braking system of a car. A man pushes down on piston A while piston B has a 10kg mass sitting on it. The surface ...
Saturday, April 26, 2014 at 3:27pm

Deepa
A bus service carries 10 000 people daily between Ajax and Unoin Station, and the company has space to serve up to 15 000 people per day. The cost to ride the bus is 20$. Market research shows that if the fare increases by $0.50, 200 fewer people will ride the bus. What fare ...
Saturday, April 26, 2014 at 10:57am

Science
which of the following body systems does not rely on the autonomic nerve system to stimulate involuntary events?
Friday, April 25, 2014 at 12:33am

World History
Which of the following is true of the Antarctic Treaty System?
Thursday, April 24, 2014 at 5:47pm

Manegerial accounting
calculate the net operating income , evergreen corp has provided the following data: sales per period 1000 units ,selling price $ 40 per unit , variable manufacturing cost 12 per unit, selling expenses $5,100 pls 5% of selling price , administrative expenses $3,000 plus 20% of...
Thursday, April 24, 2014 at 7:55am

Quantitative Methods
1. Management of Sundown Rent-a-Car (see Problem 8-8) has decided that perhaps the cost during the six-month period is not the appropriate Cost to minimize because the agency may still be obligated to additional months on some leases after that time. For example, if Sundown ...
Thursday, April 24, 2014 at 1:59am

English Help Please!!! Check!!
Concision Rewrite the sentences using concision techniques (replacing phrases with words, combining sentences, etc.) discussed in class to simply these wordy sentences. a)Your explanation concerning your comatose state during the required reporting period was not accepted by ...
Wednesday, April 23, 2014 at 6:24pm

physics
Three objects lie in the x, y plane. Each rotates about the z axis with an angular speed of 4.44 rad/s. The mass m of each object and its perpendicular distance r from the z axis are as follows: (1) m1 = 6.00 kg and r1 = 1.00 m, (2) m2 = 4.50 kg and r2 = 7.10 m, (3) m3 = 3.60 ...
Tuesday, April 22, 2014 at 9:26pm

Algebra - HELP!!!
Can someone help me and check these? 1. Graph the function and identify the domain and range. y = –.5x² (1 point)graph *domain: (–∞, ∞) range: [0, ∞) graph domain: (–∞, ∞) range: (–∞, 0] graph domain: (–∞...
Tuesday, April 22, 2014 at 10:05am

Computer Literacy
2. Which of the following components was a significant development featured in the Macintosh LISA computer? (C) C Prompt Disk Operating System Graphical User Interface) Memory 4. Which is NOT a function associated with a motherboard? (D) Expansion slot Memory Processor ...
Monday, April 21, 2014 at 10:05pm

Computer Literacy
1. Which vendor did IBM select to create the operating system for the IBM PC? (A) Microsoft Macintosh DEC Dell 2. Which of the following components was a significant development featured in the Macintosh LISA computer? (A) C Prompt Disk Operating System Graphical User ...
Monday, April 21, 2014 at 9:34pm

SS - PLLLSSSSS HELP ASAP (check my work)!!!!!!!!!!
1. The admission of Missouri as a slave state was controversial in the Senate because the Senate was pro-slavery. it would create sectionalism. it would upset the balance.*** the Senate was anti-slavery. 2. The main topic of the Lincoln-Douglas debates was Western territories...
Monday, April 21, 2014 at 5:29pm

Math
Identify the solution of the system of equations 9x+2y=8 8x-2y=8
Monday, April 21, 2014 at 5:20pm

math
Identify the solution of the system of equations 3x+2y=4 5x-4y=3
Monday, April 21, 2014 at 4:20pm

social studies
1. The admission of Missouri as a slave state was controversial in the Senate because the Senate was pro-slavery. it would create sectionalism. it would upset the balance.*** the Senate was anti-slavery. 2. The main topic of the Lincoln-Douglas debates was Western territories...
Monday, April 21, 2014 at 4:19pm

Math
Identify the solution of the system of equations -3x-4y=2 8y=6x-4
Monday, April 21, 2014 at 3:48pm

physics
What is the change in internal energy of a system that takes in 2.40 ✕ 106 J of heat, and does 4.50 ✕ 105 J of work while dissipating 9.00 ✕ 106 J of heat?
Monday, April 21, 2014 at 1:20am

physics
A bullet of mass 100g is fired at avelocity 100m/s into a wooden block of mass 900g.If the bullet gets embeded into the block,then what would be the velocity of the system?
Monday, April 21, 2014 at 1:10am

English Help Please!!! Check!!
Concision Rewrite the sentences using concision techniques (replacing phrases with words, combining sentences, etc.) discussed in class to simply these wordy sentences. 1. Critics cannot avoid employing complex and abstract technical terms if they are to successfully analyze ...
Sunday, April 20, 2014 at 11:27pm

physics
When heat transfers into a system, is the energy stored as heat? Explain briefly.
Sunday, April 20, 2014 at 4:55pm

Chemistry
Given the equilibrium reaction N2(g) + 3 H2(g) <---> 2NH3(g) + heat, an increase in temperature will: a) Increase the value of K b) Decrease the value of K c) Increase or decrease the value of K depending upon the concentration of reactants d) Will have no effect on the ...
Sunday, April 20, 2014 at 4:00pm

Chemistry
The equilibrium constant is 16 for the gas phase reaction SO2 + NO2 <--> SO3 + NO at a certain temperature. If 3.0 moles each of SO2 and NO2 are placed together in an empty 1.0 liter flask and the system is allowed to come to equilibrium at this temperature, what will be...
Sunday, April 20, 2014 at 2:33pm

electrical engineering
A three phase, four- pole, 30-hp, 220-V, 60-Hz, Y-connected induction motor draws a current of 77 A from the line source at a power factor of 0.88. At this operating condition, the motor losses are known to be the following: Stator copper losses = 1033 W Stator core losses = ...
Saturday, April 19, 2014 at 5:06pm

math
-4x-4y=12 16y=-16x-48 identify the solution of the system or equatuions
Saturday, April 19, 2014 at 1:03pm

Math
How do you write a system of linear equations in two variables? Explain this in words and by using mathematical notation in an equation.
Saturday, April 19, 2014 at 9:29am

Algebra 1
4 pencils and 5 pens cost $2.00; 3 pencils and 4 pens cost $1.58. Write out a system of equations that would represent this situation.
Friday, April 18, 2014 at 6:31pm

cost accounting
Marvin’s Motors Company (MMC) manufactures outboard motors for use on small to medium sized boats. MMC produces three models: the Standard, the Deluxe and the Performance. The company uses a normal job costing system with manufacturing overhead applied on the basis of ...
Friday, April 18, 2014 at 8:18am

physics
Two blocks are connected by a light string that passes over a massless, frictionless pulley as shown. The coefficient of friction between the 4kg block and the surface is 0.4. Find the acceleration of the system and the tension in the string.
Thursday, April 17, 2014 at 11:49am

Physics
How Many Capillaries? The aorta has an inside diameter of approximately 2.1 cm, compared to that of a capillary, which is about 1.0×10−5m (10 μm). In addition, the average speed of flow is approximately 1.0 m/s in the aorta and 1.0 cm/s in a capillary Assuming...
Thursday, April 17, 2014 at 12:32am

Physics
A person pushes with a horizontal force of 25 N 4kg block, initially at rest on a horizontal table, a distance of 3m. The coefficient of kinetic friction between the block and table is 0.35. determine external work on the block-table system. the energy dissipated by friction ...
Wednesday, April 16, 2014 at 12:41pm

physics
Which of the following statements about a system in resonance is true A.The energy of the system is always increasing. B.The greater the damping the larger the amplitude of the oscillations C.The driving force is always in the direction of the velocity. D.The frequency of the ...
Wednesday, April 16, 2014 at 9:42am

Social Studies
I am the Star Reporter who is going to visit George Washington at his home at Mount Vernon during the years of 1759-1774. I am interviewing him about his political and personal views, activities, goals, and predictions. Develop 10 questions to ask President Washington. Then ...
Tuesday, April 15, 2014 at 4:58pm

Physics
A "reference ring" with moment of inertia Ic rests on a solid disk torsion pendulum with a moment of inertia I0. a) What is the period T0 for the motion with the disk alone? b) What is the period T1 for motion with the combined system? c) Use the expressions from a) ...
Monday, April 14, 2014 at 9:22pm

science
In the formation of the solar system nearly all of the mass of the solar nebula became ? Answer Are Terrestrial planets GAS giant SUN OORT CLOUD THANK YOU
Monday, April 14, 2014 at 1:20pm

Social Studies
I am the Star Reporter who is going to visit George Washington at his home at Mount Vernon during the years of 1759-1774. I am interviewing him about his political and personal views, activities, goals, and predictions. Develop 10 questions to ask President Washington. 1. What...
Monday, April 14, 2014 at 12:29pm

Psy270
Individual Clinical Assessment Mr. and Mrs. Lawson brought their 4-year-old adopted daughter, Clara, to see Dr. Mason, a psychiatrist. Clara was polite in greeting Dr. Mason, but did not smile and kept her gaze down as she took a seat. Mr. and Mrs. Lawson sat next to Clara and...
Sunday, April 13, 2014 at 10:40pm

american history
under America's second party system, the whigs stood for?
Sunday, April 13, 2014 at 8:30pm

Criminal Justice
1. How do city police chiefs come to power? A. They are elected by voters in specific districts. B. They are appointed by the mayor or selected by the city council. C. They are promoted up through the rank system. D. They are appointed by the outgoing city police chief. im ...
Sunday, April 13, 2014 at 2:01pm

3 questions~~~
1. What does the term "fair-use exception" mean? (1 point) to use only material that has never been published the ability to use material made by others for educational purposes an exception to copyright restrictions for images only Educational material is no longer ...
Saturday, April 12, 2014 at 7:35pm

Chemistry
If a particular reaction evolves 192 kJ of heat while expanding from 1.00 L to 2.00 L at 125 atm of pressure, what is the overall energy change for the system?
Saturday, April 12, 2014 at 3:41pm

math
For the system of linear equations below, use graphing to determine in which quadrant the solution lies. x+2y=-2 -2x+y=14 Quadrant III Quadrant I Quadrant II Quadrant IV
Saturday, April 12, 2014 at 11:07am

science
Identify and discuss the main safety legislation applicable to the installation, commissioning operating and maintaining the tube swaging machine.
Saturday, April 12, 2014 at 9:55am

physics
An object-–spring system undergoes simple harmonic motion. If the mass of the object is doubled, what will happen to the period of the motion?
Friday, April 11, 2014 at 8:01pm

World Civilization
1. In 1789, the National Assembly revoked the privileges of the aristocracy. This occurred in reaction to A. a peasant uprising. B. Louis XVI's withdrawal of troops from Paris. C. discontent among the poor people of Paris. D. the storming of the Bastille 2. What was ...
Friday, April 11, 2014 at 5:14pm

Stats Class
Passengers using New York's MetroCard system must swipe the card at a rate between 10 and 40 inches per second, or else the card must be re-swiped through the card reader. Research shows that actual swipe rate by subway riders are uniformly distributed between 5 and 50 ...
Friday, April 11, 2014 at 10:44am

pre algebra
Check whether (-4, -12) is a solution of the system of equations. y = 6x + 12 2x - y = 4 When the graphs of two equations are parallel, there are infinitely many solutions. y = x + 4 y = 3x solution: ( , )
Friday, April 11, 2014 at 8:01am

prealgebra
Check whether (-1, 5) is a solution of the system of equations. y = -2x + 3 y = x - 4 I said no because one comes up a positive 5 and the other a negative five. Am I correct
Friday, April 11, 2014 at 7:57am

math
The Standard blend of coffee uses 4 oz arabica beans and 12 oz of robusta beans per package; the Deluxe blend uses 10 oz of arabica beans and 6 oz of robusta beans per package. The merchant has 80 lbs. of arabica beans and 90 lbs. of robusta beans available. Find a system of ...
Friday, April 11, 2014 at 12:48am

CHEMISTRY
At 450oC the value of equilibrium constant for the following system is 6.59 x 10-3. If [NH3] = 1.23 x 10-4 and [H2] = 2.75 x 10-3 at equilibrium, determine the concentration of N2 at that point. N2(g) + 3H2(g)  2NH3(g)
Thursday, April 10, 2014 at 11:20pm

PLEASE HELP D:
Should other states wait to see if the high-speed rail system works well before starting their own plans for similar systems?
Thursday, April 10, 2014 at 4:01pm

Social Studies
1. Which question would best help you write a report regarding the changes to the political system during Jackson's presidency? (1 point) How did Andrew Jackson react to the results of the election of 1824? When did Andrew Jackson decide to run for president? Did Andrew ...
Thursday, April 10, 2014 at 9:59am

Physics
If the amplitude of a harmonic oscillator decreases to 36.3 % of its maximum amplitude in 7 seconds, what is the time constant τ(Torque) of this system?(?s)
Wednesday, April 9, 2014 at 9:51pm

Chemistry
Are my answers correct? Identify each energy exchange as primarily heat or work and determine weather the sign of ?E is positive or negative for the system. A. A rolling billiard ball collides with another billiard ball. The first ball (system) stops rolling after the ...
Wednesday, April 9, 2014 at 1:30pm

chemistry
Are my answers correct? Identify each energy exchange as primarily heat or work and determine weather the sign of ΔE is positive or negative for the system. A. A rolling billiard ball collides with another billiard ball. The first ball (system) stops rolling after the ...
Tuesday, April 8, 2014 at 2:18pm

chemistry
Are my answers correct? Identify each energy exchange as primarily heat or work and determine weather the sign of ΔE is positive or negative for the system. A. A rolling billiard ball collides with another billiard ball. The first ball (system) stops rolling after the ...
Tuesday, April 8, 2014 at 10:36am

Mass Transfer
Solution of methanol and ethanol are substantially ideal. (a) Compute the vapour-liquid equilibria for this system at 1 and at 5 atm abs pressure, and plot xy and txy diagrams at each pressure (b) For each pressure compute relative volatilities , and determine an average value...
Tuesday, April 8, 2014 at 10:35am

Math
During a flu epidemic, the number of children in the Woodbridge Community School System who contracted influenza after t days was given by the following. Q(t) = 7000/1+249 e−0.6 t (b) How many children had the flu after 10 days?
Sunday, April 6, 2014 at 8:52pm

Chem
The following questions refer to the following system: A total of 30.0 mL of a .10M solution of a monophonic acid (Ka = 1.0 x 10 ^-5) is titrated with .20M sodium hydroxide solution. 1) Before the titration begins, the pH of the solution is about A) 2 B) 5 C) 7 D) 9 E) 12 2) ...
Sunday, April 6, 2014 at 10:38am

Math
During a flu epidemic, the number of children in the Woodbridge Community School System who contracted influenza after t days was given by the following. Q(t) = 7000 1+249 e−0.6 t (a) How many children were stricken by the flu after the first day? (b) How many children ...
Saturday, April 5, 2014 at 10:04pm

Algebra
Find the solutions to the system. y = x² + 5x + 6 y = 4x + 12 (1 point)
Friday, April 4, 2014 at 5:49pm

operating system
ertertertert
Thursday, April 3, 2014 at 6:13pm

Human & Physiology
Discuss the critical and intricate roles the nervous system plays in homeostasis
Wednesday, April 2, 2014 at 10:30pm

Physics
For the system of two crates and a pulley in the figure below, what fraction of the total kinetic energy resides in the pulley? (Assume m1 = 14 kg, m2 = 10 kg and mpulley = 5 kg.) (( o )) | | | | [m1] | [m2]
Tuesday, April 1, 2014 at 9:58pm

Chem 1
An 80.0-gram sample of a gas was heated from 25 degrees celsius to 225 degrees celsius. During this process, 346j of work was done by the system and its internal energy increased by 7785j. What is the specific heat of the gas?
Tuesday, April 1, 2014 at 7:24pm

Algebra II
One method of irrigating crops is called the center picot system. This system rotates a sprinkler pipe from the center of the field to be irrigated. Suppose a farmer places one of these units at the center of a square plot of land 2500 feet on each side. With the center of ...
Tuesday, April 1, 2014 at 7:06pm

Physics
A stone is dropped at t = 0. A second stone, with 4 times the mass of the first, is dropped from the same point at t = 110 ms. (a) How far below the release point is the center of mass of the two stones at t = 410 ms? (Neither stone has yet reached the ground.) (b) How fast is...
Tuesday, April 1, 2014 at 4:44pm

physics
A certain hydraulic system is designed to exert a force 100 times as large as the one put into it. (a) What must be the ratio of the area of the slave cylinder to the area of the master cylinder? (b) What must be the ratio of their diameters? (c) By what factor is the distance...
Tuesday, April 1, 2014 at 4:26pm

chem Help
At equilibrium, the concentrations in this system were found to be [N2]=[O2]=0.200 M and [NO]=0.500 M. N2 + O2= 2NO If more NO is added, bringing its concentration to 0.800 M, what will the final concentration of NO be after equilibrium is re-established?
Tuesday, April 1, 2014 at 11:57am

Chem.
At equilibrium, the concentrations in this system were found to be [N2]=[O2]=0.200 M and [NO]=0.500 M. N2 + O2= 2NO If more NO is added, bringing its concentration to 0.800 M, what will the final concentration of NO be after equilibrium is re-established?
Tuesday, April 1, 2014 at 12:59am

Algebra
Solve the following system by graphing. If there isn't a unique solution to the system 5x-3y=-36 3x+5y=26
Monday, March 31, 2014 at 1:34pm

chemistry
2NO (g) + Cl2 (g) <=> 2NOCl (g) (reversible) equilibrium constat = 1 x 10^7 @ certain temp NO = 2.8 x 10^-2 mol Cl2 = 1.4 x 10^-3 mol NOCl = 5.9 mol all mixed in a 1.4 L flask what is Qc and what direction will system go?
Monday, March 31, 2014 at 12:47pm

social studies
Scientists estimate that 600,000 acres of land will disappear from Louisiana’s coastal region over the next fifty years. Which factor will contribute least to this change? A.hurricanes B.silt buildup C.erosion D.the levee system
Monday, March 31, 2014 at 7:35am

algebra
A certain car's cooling system has an 8-qt capacity and is filled with a mixture that is 30% alcohol. How much of this mixture must be drained off and replaced with pure alcohol if the solution is to be 50% alcohol?
Sunday, March 30, 2014 at 11:46pm

Computer Science
Can global user use the windows 7 operating system? What are 5 things that would need to be changed for global users to use windows operating system?
Sunday, March 30, 2014 at 6:45pm

chemistry
What is the change in the internal energy of the system when 1.243 mol of NH 3(g) is formed from N 2(g) and H 2(g) at 25 degrees C and 1.0 atm?
Sunday, March 30, 2014 at 6:33pm

Physics
Consider an isolated system consisting of two masses, each of which has a velocity vector in two dimensions. When these two masses collide the total momentum of the system is conserved. (a) Show that if the total momentum of the system is conserved then the component momenta ...
Sunday, March 30, 2014 at 6:04pm

phyics
A system does 3.7 × 104 J of work, and 8.5 × 104 J of heat flows into the system during the process. Find the change in the internal energy of the system.
Sunday, March 30, 2014 at 10:36am

physics
Eva is in a closed, dark room. She uses her arm muscles to turn on a lamp. When she moves her hand closer to the lamp, the light heats her hand. The light bounces off the pages of a book and into her eyes. If this room is a closed system, what happens to the total amount of ...
Saturday, March 29, 2014 at 4:00pm

Physics
Suppose we take a 1 m long uniform bar and support it at the 27 cm mark. Hanging a 0.31 kg mass on the short end of the beam results in the system being in balance. Find the mass of the beam.
Friday, March 28, 2014 at 8:48pm

Computer Science
Computers are used worldwide, but most of the major operating systems originated in English-speaking countries. Take a look at the operating system that you use in the context of global users who might not speak English and who might not have grown up with Western customs. ...
Friday, March 28, 2014 at 9:27am

Chemistry
I would really like to understand how to do these problems, because my exam is coming up in a few weeks. I still cannot comprehend how you can tell if a system is is positive or negative according to reaction. For #1, I presume it is E if it is spontaneous at all temperatures...
Friday, March 28, 2014 at 1:18am

science
an you please solve the questions for me 1. 3 moles of pesticide of molecular mass 200 g/mole is applied to a closed system consisting of 20 m3 of water, 10 m3 of air, 1 m3 of sediment, and 0.001 m3 of fish. Determine the concentration and amount in both grams and mole units ...
Thursday, March 27, 2014 at 2:24pm

physics
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.78x1011 m apart. The larger of the two stars has a mass of 4.19x1030 kg, and its center is 1.75x1011 m from the system's center of mass. What is the mass of the smaller star?
Thursday, March 27, 2014 at 1:58pm

science
3 moles of pesticide of molecular mass 200 g/mole is applied to a closed system consisting of 20 m3 of water, 10 m3 of air, 1 m3 of sediment, and 0.001 m3 of fish. Determine the concentration and amount in both grams and mole units in air, water, sediment and fish in ...
Thursday, March 27, 2014 at 1:41pm

Chemistry
I would really like to understand how to do these problems, because my exam is coming up in a few weeks. I still cannot comprehend how you can tell if a system is is positive or negative according to reaction. For #1, I presume it is E if it is spontaneous at all temperatures...
Thursday, March 27, 2014 at 1:58am

algebra
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
Wednesday, March 26, 2014 at 10:39pm

Chemistry
So my chem professor had a slide with a question that follows: If you combine 100 ml of 0.10 M HCl and 100 ml of 0.10 M NaOH, and find that the temperature goes up 0.67 degrees K  What is ΔH° for the reac/on: OH(aq)- + H+(aq)->H2O(l)(c H2O= 4.18 J/°C sg, ...
Wednesday, March 26, 2014 at 10:27am

Math
Admission to a museum cost $12 for adults and $7 for children. A group of 35 people attending the museum paid a total of $315 in admission fee. Write a system of equations to represent the situation. Let A represent the number of adults admissions and C represent the number of...
Tuesday, March 25, 2014 at 10:48pm

History8 Check Answers?
1) The major problem with the Articles of Confederation was that it _____. a.was too similar to the British system, giving one leader too much power b.it gave the states too much power c.it did not give the states enough power d.it did not establish a system that allowed for a...
Tuesday, March 25, 2014 at 10:04pm

Math
Use the inverse matrix to solve this system of equations: 4x+3y=7.5 7x+9z=14 4y-z=8.3 A) x = -2.125, y = 3.23, and z = 4.555 B) x = 1.661, y = 2.509, and z = 0.404 C) x = 2.509, y = 1.661, and z = -0.404 D) x = 0.260, y = 2.435, and z = 1.375 E) x = 2.435, y = 1.375, and z = 0...
Tuesday, March 25, 2014 at 10:05am

Physics
You have been asked to design a "ballistic spring system" to measure the speed of bullets. A bullet of mass m is fired into a block of mass M. The block, with the embedded bullet, then slides across a frictionless table and collides with a horizontal spring whose ...
Sunday, March 23, 2014 at 8:38pm

Algebra
Solve the system of equations y=-2(x^2-1) y=2(x^4-2x^2 +1)
Sunday, March 23, 2014 at 8:08pm

Social Studies
What is a quota system?
Sunday, March 23, 2014 at 5:20pm

material balance
In a process for concentrating 1000kg of freshly extracted orange juice containing 12.5 wt% solids, the juice is strained, yielding 800kg of strained juice and 200kg of pulpy juice.the strained juice is concentrated in a vacuum evaporator to give an evaporated juice of 58% ...
Sunday, March 23, 2014 at 1:26am

Biology
The integumentary system includes • skin only** • hair only • nails only • skin, hair, and nails Is my answer correct? the **
Saturday, March 22, 2014 at 11:09pm

Math
Solve the system using elimination. y = -x + 3 y = x^2 + 1
Saturday, March 22, 2014 at 6:19pm

language of medicine medical billing and coding
How does the musculoskeletal system change from birth to adulthood and what are the steps that the system goes through from childhood to adulthood to reach 206 bones?
Friday, March 21, 2014 at 11:55am

Math - PreCalc (12th Grade)
Use the inverse matrix to solve this system of equations: 4x+3y=7.5 7x+9z=14 4y-z=8.3 4,3,0 7,0,9 0,4,-1
Friday, March 21, 2014 at 9:20am

History
During the cold war, people were afraid of communists, both outside and inside the United States. The red scare and mccarthyism that grew out of these fears was damaging to the American way of life. During the mccarthy years, many of the freedoms guarranteed in he bill of ...
Thursday, March 20, 2014 at 10:44pm

Physics
I don't understand this question... What is the change in entropy for a system that has 250 J of heat added to it at 25°C? (Points : 1) 10 J/K 0.84 J/K 0.84 J/K 10 J/K
Thursday, March 20, 2014 at 7:32pm

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