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August 1, 2014

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

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algebra 1
Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
Friday, November 22, 2013 at 10:27pm

algebra 1
Material cost equation : 30x + 2y = 200 Profit equation : 100x + 5y = 400 B. Explain your inequalities and explain why x<8 and y<40 are also inequalities for this system
Friday, November 22, 2013 at 6:11pm

algebra 1
. Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
Friday, November 22, 2013 at 5:21pm

Algebra
Use the matrix tool to solve the system of equations. Choose the correct ordered pair. -3x + 5y = 19 5x - 5y = -5
Friday, November 22, 2013 at 2:41pm

Algebra
What is the solution of the linear-quadratic system of equations? {y = x^2 + 5x - 3 {y - x = 2 So confused about how to do this any help is appreciated.
Friday, November 22, 2013 at 1:42am

Art of Research
I need to do an interview segment for a "show green", which is a storyboard for a TV show. It will include production notes as well. My topic for this show green is on the business of the National Hockey League, in terms of their revenue, salary cap, free agency ...
Thursday, November 21, 2013 at 5:29pm

Health (Ms. Sue)
Explain why it is important to have an efficient public health system if an outbreak of a disease occurs.
Thursday, November 21, 2013 at 4:31pm

Math quick question
Create a system of linear equations with this situation: Megan considers two different car rental options. One option costs $19 per day plus $0.12 per kilometre . Another option costs $42.50 per day for unlimited kilometres . Thanks :)
Wednesday, November 20, 2013 at 11:17pm

College Algebra
Solve the System 2x-8y=20 3x-12y=30
Wednesday, November 20, 2013 at 9:13pm

Health (Ms. Sue)
Describe how vaccinations work to protect the body from illness. A: When a vaccine is injected or swallowed, the immune system responds to the vaccine material by making white blood cells called memory cells. Therefore, when or if the pathogen against which the vaccine was ...
Wednesday, November 20, 2013 at 8:10pm

waste water treatment
ACTIVATED SLUDGE AND NUTRIENT REMOVAL ========================================​=== A wastewater treatment plant based on activated sludge with biological phosphate and nitrogen removal via pre-denitrification. The influent flow (dwf) is 30,000 m3/day and the influent BOD...
Wednesday, November 20, 2013 at 3:10am

Physics-Attention ELENA
A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ as shown. A ball B moves along the slot in the direction shown with velocity, v, and acceleration, a, both ...
Wednesday, November 20, 2013 at 12:32am

world history
Which of the following is true of the Antarctic Treaty System? A. It bans commercial mining in Antarctica. B. It's actually the Society for the Geographic Exploration of Antarctica. C. It was established specifically to enforce ecological regulations. D. It provides the de...
Tuesday, November 19, 2013 at 11:39pm

Physics
calculate the acceleration of this system, assuming that there are no frictional forces between the table and Block A. Block A is sitting on a table connected by a rope to a pulley system and Block B is hanging off the table connected to the rope from the pulley system. Mass ...
Tuesday, November 19, 2013 at 10:39pm

Dau
2. A sample of a gas occupied a volume of 1.40 liters when the pressure was 768 torr and the temperature was 26.9 °C. The volume of the system was readjusted to 2.16 liters by changing the temperature. What was the temperature in the system?
Tuesday, November 19, 2013 at 1:39pm

Social Studies
Which of the following is most likely a piece of modern Chinese state propaganda? a. a short film promoting the Cultural Revolution. b. a statue showing the modern thinker Confucius. c. a poster supporting the one-child policy. d. a website giving information about a ...
Tuesday, November 19, 2013 at 12:39pm

Health (Ms. Sue)
Compare the effects of stimulants, depressants, opiates, and hallucinogens on the body and behavior. A: 6. Depressants slow down a person’s behavior and the part of the central nervous system, which leads to symptoms such as drowsiness, relaxation, decreased inhibition, ...
Tuesday, November 19, 2013 at 12:19pm

Math Help
1.) You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is withdrawing $13 per week. The graph of this problem situation intersects at x=8. What does this mean? A. In 8 weeks, you will have triple the amount of money...
Tuesday, November 19, 2013 at 8:20am

Health (Ms. Sue)
"Cameron and Tony walked up to the counter at the convenient store. "What are you getting?" asked tony. "Nothing I'm out of cash," replied Cameron. "Didn't you have a bunch of money last week?" asked Tony. "Yeah, but I spent it ...
Monday, November 18, 2013 at 9:44pm

TO ANY MATH HELPERS
Pleeeese help! Use the substitution method to solve each linear system: -x+3y+1=0 3x-y+1=0 4x-3y=-13 -2x+y=4 Please help, thanks:):)!!!!
Monday, November 18, 2013 at 8:08pm

Math 2 questions
Use the substitution method to solve each linear system: -x+3y+1=0 3x-y+1=0 4x-3y=-13 -2x+y=4 Please help, thanks:):)!!!!
Monday, November 18, 2013 at 7:42pm

waist water treatment
1/Why do the following components need to be removed from sewage under current law before it can be discharged on the surface water? Nitrogen Algea growth in receiving water Growth of waterborne diseases Turbidity increase of receiving water Oxygen depletion of receiving water...
Monday, November 18, 2013 at 2:36pm

Physics-dynamics
A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ. A ball B moves along the slot in the direction shown with velocity, v, and acceleration, a, both measured ...
Monday, November 18, 2013 at 2:24pm

Physics, Elena Please Help If u can.
A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ. A ball B moves along the slot in the direction shown with velocity, v, and acceleration, a, both measured ...
Monday, November 18, 2013 at 7:26am

Physics please help!!!!!
A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ. A ball B moves along the slot in the direction shown with velocity, v, and acceleration, a, both measured ...
Monday, November 18, 2013 at 6:11am

Algebra 2
Solve the system by elimination: -2x + 2y + 3z = 0 -2x - y + z =-3 2x + 3y + 3z = 5 How do I do this? I need steps to understand please....
Monday, November 18, 2013 at 2:53am

Question About Math
Hello! I have two math questions: 1.) Marcos has 28 coins that are all nickels (n) and dimes (d). The value of the coins is $2.05. Which system of equations can be used to find the number of nickels and the number the dimes? A. n + d = 28 5n + 10d = 205 B. n + d = 28 10n + 5d...
Sunday, November 17, 2013 at 8:10pm

accounting
Exercise 5-3 Analyzing and recording merchandise transactions-both buyer and seller LO P1, P2 Santa Fe Company purchased merchandise for resale from Mesa Company with an invoice price of $16,000 and credit terms of 3/10, n/60. The merchandise had cost Mesa $10,912. Santa Fe ...
Sunday, November 17, 2013 at 7:53pm

Business 101
1. Carmen Santiago works for a number of businesses as a “consultant.” She has helped design accounting systems, provided accounting services, and analyzed the financial strength of her clients’ businesses. Carmen is working as a A. public accountant. B. ...
Sunday, November 17, 2013 at 6:59pm

Math
An irrigation pump can pump 250 liters of water per minute. How many hours should the system work to water a rectangular field 75 m by 135 m to a depth of 3 cm?
Sunday, November 17, 2013 at 4:54pm

Math
The Pioneer 10 spacecraft passed the planet Jupiter on December 12, 1973, and exited the solar system on June 14, 1983. The craft traveled from Mars to Jupiter, a distance of approximately 1 billion kilometers, in one year and nine months. a.Calculate the approximate speed of ...
Sunday, November 17, 2013 at 12:49pm

Math
An irrigation pump can pump 250 liters of water per minute. How many hours should the system work to water a rectangular field 75 m by 135 m to a depth of 3 cm?
Sunday, November 17, 2013 at 12:48pm

chemistry
1. A website promoting the use of alternative energy vehicles and hybrid technologies claims that, \"A typical automobile in the USA uses about 40 gallons of gasoline every month, producing about 750 lbs of carbon dioxide.\" To determine the truth of this statement, ...
Sunday, November 17, 2013 at 10:34am

Algebra! any kind of help on this question!
Larsen’s Sharpening Shop, specializes in sharpening saws. Terry Larsen has determined that the cost of operating the shop is given by the function: C(x) = x^2 – 40x + 430, where x is the number of saws sharpened daily. a. Write C(x) = x^2 - 40x + 430 = a(x-h)^2 + k, ...
Sunday, November 17, 2013 at 6:14am

Algebra please help
Larsen’s Sharpening Shop, specializes in sharpening saws. Terry Larsen has determined that the cost of operating the shop is given by the function: C(x) = x^2 – 40x + 430, where x is the number of saws sharpened daily. a. Write C(x) = x^2 - 40x + 430 = a(x-h)^2 + k, ...
Sunday, November 17, 2013 at 5:11am

ALGEBRA!
Larsen’s Sharpening Shop, specializes in sharpening saws. Terry Larsen has determined that the cost of operating the shop is given by the function: C(x) = x^2 – 40x + 430, where x is the number of saws sharpened daily. a. Write C(x) = x^2 - 40x + 430 = a(x-h)^2 + k, ...
Saturday, November 16, 2013 at 6:31pm

Human services
I am having terrible trouble with this assignment. I cannot find the information i need, I am using a website called HOPE of East Central Illinois Here are the questions How do these laws influence the organization's decision-making and its day-to-day operations? What role...
Saturday, November 16, 2013 at 12:52pm

Chemistry
You are operating an X-ray tube with a cobalt (Co) target by applying an acceleration potential of 53 kVolt. Calculate the value of the characteristic wavelength λKα. Express your answer in meters.
Friday, November 15, 2013 at 2:38pm

solid chemestry
Consider the gold-platinum system which has a value of delta w of -4250 J/mole; (a) Calculate the enthalpy of mixing for a solution of 10% platinum and 90% gold. Express your answer in units of kJ/mole.
Friday, November 15, 2013 at 1:20pm

Physics
To better understand the concept of static equilibrium a laboratory procedure asks the student to make a calculation before performing the experiment. The apparatus consists of a round level table in the center of which is a massless ring held in place with a pin. There are ...
Thursday, November 14, 2013 at 10:36pm

Ap bio
When an amount of heat is transferred at a steady temperature, what happens to the entropy of the system gaining the heat? a.It decreases. b.It increases. c.It is lost to its surroundings. >>> d.It is unchanged.
Thursday, November 14, 2013 at 10:34pm

Math
If you are describing a graph that consists of a parabola and a line that intersect at two points, would the system be dependent and consistent. Or is dependent only used if the system has an infinite amount of solutions? Thanks!
Thursday, November 14, 2013 at 9:52pm

Government
Which is NOT a factor that reinforces America's two-party system? 1.)Broad ideological consensus limits the appeal of radical parties. 2.)The winner-take-all system makes it harder for third parties to gain popularity. 3.)The two-party system was preferred by the Founding ...
Thursday, November 14, 2013 at 9:34pm

Solar Energy
Family Cartman has a small house in the country side which is not connected to the grid. The place enjoys 4 equivalent sun hours. Therefore, Mr Cartman has decided to install an off-grid PV system in the house to supply the required electicity in the house. The house ...
Thursday, November 14, 2013 at 9:40am

Solar Energy
Consider a 250 Wp rated crystalline silicon PV module. It results from a manufacturing process that consumes 8kWh/Wp of PV module. a) What is the total energy consumed (in kWh) during the production of the module? Assume that the PV module is used in a location where it gives ...
Thursday, November 14, 2013 at 6:22am

Solar Energy
Which of the following variables does NOT affect the economic payback period of a PV system? 1)Insolation received by the PV system 2)Subsidies and feed-in tariffs 3)Cost of electricity 4)Overall lifetime of the PV system
Thursday, November 14, 2013 at 6:21am

Social Studies
1. How were the farms of the New England colonies similar to the farms of the Up Country? A. They grew rice B. They were plantations C. They had short growing seasons. D. They were small subsistence 2. Rice grew successfully in South Carolina because slaves________ A. Brought ...
Wednesday, November 13, 2013 at 10:04pm

chemistry
I am having a hard time with this problem. I was wondering where I went wrong. The problem says The equilibrium constant, Kc, for the reaction of H2 and N2 is 1.7×10^2 at 225 ∘C. 3H2(g)+N2(g)←→2NH3(g) If the system at equilibrium contains 0.16M H2 and 0...
Wednesday, November 13, 2013 at 9:56pm

first steps in using a personal computer
as you boot up your computer system,nothing is displaying on the monitor.you check that the monitor is turned on and that all the power cords are plugged into a working source of electricity.what should you do next a.check that all the cables between components are securely ...
Wednesday, November 13, 2013 at 12:44pm

ELA? Check answers!!
1. Which of the following places would need to be sterile? A: park B: classroom C: A hospital operating room 2.Which of the following example of a question you might ask yourself to monitor comprehension? A: How can thrid-degree burns be treated at home? B: How is a third-...
Wednesday, November 13, 2013 at 11:09am

Solar Energy Help ASAP
Consider a 250 Wp rated crystalline silicon PV module. It results from a manufacturing process that consumes 8kWh/Wp of PV module. a) What is the total energy consumed (in kWh) during the production of the module? Assume that the PV module is used in a location where it gives ...
Wednesday, November 13, 2013 at 9:31am

programming
Waiting time in the queue by the driver can be used as a criterion whether toll plazas customer centric or not. Assume there are 3 counter serving customers. Customers who come will get in the shortest line (based on the number of customers / vehicles in the queue). Assume ...
Wednesday, November 13, 2013 at 1:40am

accounting
The magnitude of operating leverage for Perkins Corporation is 3.4 when sales are $100,000, if sales increase to $110,000, profits would be expected to increase by what percent?
Wednesday, November 13, 2013 at 12:02am

Accounting
The comparative statements of Lucille Company are presented here. LUCILLE COMPANY Income Statements For the Years Ended December 31 First number are 2012 2012 then 2011 Net sales $1,890,540 $1,750,500 Cost of goods sold 1,058,540 1,006,000 Gross profit 832,000 744,500 Selling...
Tuesday, November 12, 2013 at 1:42pm

Physic
A horizontal Electric Field is applied to the original spring-mass system as shown below: What is the tangent of the angle θ (tan(θ)) between the spring and the vertical in terms of E, ke (type "ke"), q, m, and g as needed? Indicate multiplication with a &...
Monday, November 11, 2013 at 1:12pm

Physics falling ladder
A ladder leaning against a wall is falling. The ladder is of length, L, and at this instant the ladder is at an angle, theta(Ø), with respect to the wall, and the horizontal velocity of the base of the ladder ,v_A, is known. All answers are I'm the terms given , ...
Monday, November 11, 2013 at 4:52am

Physics
A slotted disk is rotating with a constant angular velocity of w. A ball mass of m slides out from the center of the disk. Kinetic friction force F=mu_k |N| acts on the mass, where N is the normal force between the ball and the channel. Using the body coordinate system i^, j^ ...
Monday, November 11, 2013 at 4:35am

Finance
Following are selected financial data in thousands of dollars for the Hunter Corporation. 2012 2011 Current assets $ 500 $400 Fixed assets, net 700 600 Total assets 1,200 1,000 Current liabilities 300 200 Long-term debt 200 200 Common equity 700 600 Total liabilities and ...
Sunday, November 10, 2013 at 11:32pm

Phyics
A 49-N crate is suspended from the left end of a plank. The plank weighs 21 N, but it is not uniform, so its center of gravity does not lie halfway between the two ends. The system is balanced by a support that is 0.30 m from the left end of the plank. How far to the right of ...
Sunday, November 10, 2013 at 10:56pm

dynamics
A slotted disk is rotating with constant angular velocity ω−−, as shown in the figure. A ball of mass m slides out from the center of the disk. Kinetic friction force F=μk|N| acts on the mass, where N is the normal force between the ball and the channel. ...
Sunday, November 10, 2013 at 7:21pm

science help!!!
Explain how your respiratory system could help guard your body against pathogens that are in the air.
Sunday, November 10, 2013 at 6:41pm

history
the firdst fully developed american factory system emerged in the what industry
Saturday, November 9, 2013 at 6:09pm

History
Which do you think best describes the word Feudalism?? a system designed to increase the power of lords rather than vassals or a reciprocal personal economic and political relationship between lords, vassals and peasants
Saturday, November 9, 2013 at 5:20am

physics
Four penguins are being pulled alone by a handler. THe masses of the three penguins and the tension in the two of the cords are M1 =14kg, m2=26kg, m4=23kg, T2=115N, and T4=320N. Find the acceleration of the system and b) the mass of m3 that is not give.
Friday, November 8, 2013 at 11:56am

Introduction to computers
Which of the selections below is not a benefit of imaging the computers on your network? A. It saves the time of having to install the required computer applications. B. It saves the time of having to install the desired operating system. C. There are fewer licensing fees ...
Thursday, November 7, 2013 at 11:02pm

Chemistry
What would happen if too much refrigerent was present in the system(refrigerator)? Too little? HELP!!! I'm doing a C^3 assignment for chem and its due tomorrow can someone help me please!
Thursday, November 7, 2013 at 10:50pm

Chemistry
What would happen if too much refrigerent was present in the system(refrigerator)? Too little? HELP!!! I'm doing a C^3 assignment for chem and its due tomorrow can someone help me please!
Thursday, November 7, 2013 at 10:26pm

Chemistry
What would happen if too much refrigerent was present in the system(refrigerator)? Too little? HELP!!! I'm doing a C^3 assignment for chem and its due tomorrow can someone help me please!
Thursday, November 7, 2013 at 10:24pm

Physics
A student on a piano stool rotates freely with an angular speed of 2.85rev/s . The student holds a 1.10kg mass in each outstretched arm, 0.789m from the axis of rotation. The combined moment of inertia of the student and the stool, ignoring the two masses, is 5.23kg⋅m2...
Thursday, November 7, 2013 at 6:40pm

solar energy please help
In this section, we talked about combining a solar cell with a photoelectrode to form a photoelectrochemical device. Why do we add a solar cell in the system? a)Because the photoelectrode is not able to produce any voltage difference to drive the reaction b)Because the ...
Wednesday, November 6, 2013 at 11:11pm

chem 211
If 100.0mL water of at 50.0C is added to 100.0 mL of water at 20.0C. What temperature would the mixture of water reach? Assume the system is perfectly sealed and no heat is lost to the calorimeter or to the outside environment. 2)
Tuesday, November 5, 2013 at 3:33pm

algerbra 2
1. Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
Tuesday, November 5, 2013 at 3:26pm

Criminal Justice
Create a series of two advertisements "selling" different sentencing options to the many and varied stakeholders in Oklahoma's Criminal Justice system. What are some examples I can go off of?
Tuesday, November 5, 2013 at 2:32pm

Health (Ms. Sue)
1. Describe what happens during NREM and REM sleep. A: In the beginning of a sleep cycle, we enter NREM sleep. The body recovers from the stress of the day's activities during this part of the sleep. Then, about 1.5 hours into sleep, we enter REM sleep, or dream sleep. Our...
Monday, November 4, 2013 at 9:53pm

Psych T/F Questions
1. Some hearing losses experienced by middle-aged adults are due to exposure to noise? True 2. A combination of progesterone and estrogen (HRT) is commonly used to treat immune system disorders? False 3. Men experience the same sudden downward shift in reproductive ability as ...
Monday, November 4, 2013 at 7:07pm

physics
How is dust in operating theatres controlled?
Monday, November 4, 2013 at 2:08am

Healthcare Statistics
In deciding whether to purchase or lease a new dictation system, the HIM supervisor calculates the payback period. The hospital's required payback period is three years. If the equipment costs $ 28,000 and generates $3,500 per year in savings, what would be the payback ...
Sunday, November 3, 2013 at 8:56pm

Healthcare Statistic
In deciding whether to purchase or lease a new dictation system, the HIM supervisor calculates the payback period. The hospital's required payback period is three years. If the equipment costs $ 28,000 and generates $3,500 per year in savings, what would be the payback ...
Sunday, November 3, 2013 at 6:56pm

Healthcare Statistic
Community Health Center, a new patient clinic in your town serving only underinsured and uninsured patients, has asked you to help its HIM department get started. Calculate the number of new shelving units needed for a medical record filing system based on 8 shelves per unit ...
Sunday, November 3, 2013 at 6:12pm

electronics
when an ac signal is applied to a common emitter amplifier, the input moves the operating point along the dc load line.
Sunday, November 3, 2013 at 8:07am

Biochem
The Na –glucose symport system of intestinal epithelial cells couples the \"downhill\" transport of two Na ions into the cell to the \"uphill\" transport of glucose, pumping glucose into the cell against its concentration gradient. If the Na ...
Saturday, November 2, 2013 at 9:57pm

health
What indicators would warn you that the team that is planning this transition to an electronic health information management system is not functioning well
Saturday, November 2, 2013 at 5:02pm

science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Friday, November 1, 2013 at 1:05pm

Medical Billing & Coding
The ICD-PCS system uses a tool coders have never used before. What is it? a. Incisional biopsy b. excisional biopsy
Thursday, October 31, 2013 at 11:10pm

Science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Thursday, October 31, 2013 at 11:17am

science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Wednesday, October 30, 2013 at 7:18pm

intro to computers
what overriding philosophy of the windows 8operating system makes it unique compared to earlier Microsoft operating systems? a.it is a universal operating system for all types of devices? b.it can host both 32-and 64- bit applications c.up to 192 users can have a separate ...
Wednesday, October 30, 2013 at 5:45pm

intro to computers
which of the selections below is not a benefit of imaging the computers on your network. a. it saves time of having to install the required computer applications. b.it saves the time of having to install the desired operating system c.there are fewer licensing fees because the...
Wednesday, October 30, 2013 at 5:39pm

intro to computers
which of the statements below is false? a.you can install a 64-bit operating system on a 64- bit machine. b. you can install a 64-bit operating system on a 32-bit machine. c.you can install a 32-bit operating system on a 64-bit machine. d.you can install a 32-bit operating ...
Wednesday, October 30, 2013 at 5:34pm

Science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Wednesday, October 30, 2013 at 5:30pm

Physics Classical Mechanics
The mean distance from the center of the earth to the center of the moon is rem = 3.84 × 108 m. The mass of the earth is me = 5.98 × 1024 kg and the mass of the moon is mm = 7.34 × 1022 kg. The mean radius of the earth is re = 6.37 × 106 m. The mean ...
Monday, October 28, 2013 at 6:10am

Computer Programming using python
You'll notice that in Problem 2, your monthly payment had to be a multiple of $10. Why did we make it that way? You can try running your code locally so that the payment can be any dollar and cent amount (in other words, the monthly payment is a multiple of $0.01). Does ...
Monday, October 28, 2013 at 5:56am

Physics
A 0.52kg mass at the end of a spring vibrates 4.0 times per second with an amplitude of 0.15m . a. Determine the velocity when it passes the equilibrium point. b.Determine the velocity when it is 0.12m from equilibrium c.Determine the total energy of the system.
Sunday, October 27, 2013 at 1:58pm

Chemistry
What is the change in internal energy of a system that does 7.02 kj of work and absorbs 888 j of heat?
Saturday, October 26, 2013 at 11:04pm

chemistry
An aqueous solution of copper (II) sulfate is a thermodynamic system under study. What typer of system is this if the solution is contained in a beaker on a laboratory table?
Saturday, October 26, 2013 at 11:04pm

Solar Energy Please Help
a) Family Smith has already installed PV in their house. Now, they also want to cover their needs for warm water with solar energy. For this, they consider having a solar thermal water heating system. Considering that the need for warm water is 100L/day, the water has to be ...
Saturday, October 26, 2013 at 2:51pm

science
why do scientists use the international system of units(SI)? a) because the SI is based on the metric system b) because the tools scientists use only measures in SI units c) so they can communicate their results without confusion d) so all scientist are guaranteed to come up ...
Saturday, October 26, 2013 at 2:49pm

Science
How is earth like a system?
Saturday, October 26, 2013 at 11:51am

Science
How is Earth like a system?
Friday, October 25, 2013 at 6:10pm

Math
Use elimination to solve the system of equations. -x + 2y = 18 x + 8y = -38
Friday, October 25, 2013 at 11:48am

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