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June 25, 2016

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

Science
Cosmos Episode 1 Worksheet Directions: Answer the questions as you watch episode 1 of Cosmos: A Spacetime Odyssey 1. What is the name of Neil deGrasse Tyson’s “spaceship” 2. What is responsible for creating wind and keeping everything in the solar system in its ...
Monday, November 9, 2015 by verna

chemistry
the heat capacity of copper is 0.382J/g degrees celsius. a 22.6g sample of copper at 93 degrees celsius is placed in 50g of water at 23.9 degrees celsius. what is the final temperature of the system?
Monday, November 9, 2015 by zainab

Dynamics
A uniform rod m1 and having a length L is hanging vertically downward and pin supported at the center of mass of a roller (disc) which rides on a horizontal track. Assuming that the system was initially at rest find the initial acceleration of the roller and angular ...
Sunday, November 8, 2015 by Jonnie

health
i need to find a way to creatviley describe the path of the female reproductive system
Sunday, November 8, 2015 by AS

Government
Explain the primary/caucus system for nominating presidential candidates
Sunday, November 8, 2015 by Anonymous

Algebra 2
Jack is selling wristbands and headbands to earn money for camp. He earns $2 for each wristband and $3 for each headband. He wants to earn at least $50. He needs to sell at least 5 wristbands. Which system of inequalities is shown in the graph of the solution below? • 2x...
Sunday, November 8, 2015 by Sandra

Physics "Simple" Energy Problem
Jonathan is riding a bicycle and encounters a hill of height 6.70 m. At the base of the hill, he is traveling at 5.00 m/s. When he reaches the top of the hill, he is traveling at 3.00 m/s. Jonathan and his bicycle together have a mass of 77.6 kg. Ignore friction in the bicycle...
Sunday, November 8, 2015 by PersonWhoNeedsHelp

physics
A spring and mass system are oscillating with an amplitude of 5.4 cm. The spring constant is 166 N/m and the mass is 540 g. Find the mechanical energy of the system
Sunday, November 8, 2015 by diana

Science
1. Which layer of the sun's atmosphere are you looking at when you look at an image of the sun? Photosphere Chromosphere*************** Corona Prominence 2. Which of the following materials could have been found in the giant cloud that formed the solar system? Hydrogen and...
Saturday, November 7, 2015 by Lea

Managerial Economics
I am completely lost in working this problem. 1. The total operating avenues of a public transportation authority are$100 million while its operating costs are $120 million. The price of a ride is $1, and the price of elasticity of demand has been estimated to be -0.4. By law...
Saturday, November 7, 2015 by Dee

history
1( Why did apartheid in South Africa end during the 1990s A) White leaders decided that the policy was hurting the country's economy and international reputation. B) The African National Congress began calling for its dismantling and the United Nations responded. C) It ...
Friday, November 6, 2015 by cross fire

Science
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&#...
Friday, November 6, 2015 by Cami

programming principles
Calculation of tax in Uzapia The United Nations have just recognised a new country called Uzapia. Uzapia has a currency called Zubies (ZB). The Uzapian tax system is highly simplified and meant to be fair. They have system where all their income is converted to one single ...
Friday, November 6, 2015 by karabo

Chemistry
If I add 2ml of .1M of NaOH to a buffer system containing sodium acetate and acetic acid, what will happen to the acetate concentration? Will it increase or decrease?
Thursday, November 5, 2015 by Anonymous

history check answers pls
1. Who controlled the most territory bordering the Louisiana Purchase? Spain France Great Britain Mexico 2.   What was George Washington's role during the American Revolution?   He was the founder of the Sons of Liberty. He was the commander of the ...
Thursday, November 5, 2015 by anon

History
Which of the following best explains some of the powers granted the Congress by the Articles of Confederation? A.)Congress could build schools, collect taxes, create a banking system, and create prisons. B.)Congress could declare war, make treaties, create a mail delivery ...
Thursday, November 5, 2015 by YRN DJ

Science Ms. Sue Please
1. The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands * chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that travel through the blood ...
Thursday, November 5, 2015 by Maria

Science
1. The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands * chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that travel through the blood ...
Thursday, November 5, 2015 by Maria

Social Studies
How do low literacy rates relate to the economy of a country? 1. They are associated with lower levels of education, which reduce economic development.* 2. They are associated with higher levels of education, which increase economic development 3. They are associated with ...
Thursday, November 5, 2015 by Jessie

jimma university facaliy of law
compare & contrast the three major legal system of the world the babylonyan,greek&roman legal system ?
Thursday, November 5, 2015 by amir

chemistry
To a 100.0 mL solution containing 0.0100 M Ba(NO3)2 and 0.0100 M Pb(NO3)2 was added 101.0 mL of 0.0100 M H2SO4 to provide a slight excess of SO42- relative to Ba2+ in the resulting solution. Assuming that: i) H+ does not bind to SO42- ii) ionic strength effects can be ignored ...
Wednesday, November 4, 2015 by john

Physics
The tallest volcano in the solar system is the 29 km tall Martian volcano, Olympus Mons. An astronaut drops a ball off the rim of the crater and that the free fall acceleration of the ball remains constant throughout the ball’s 29 km fall at a value of 4.4 m/s 2. (We ...
Wednesday, November 4, 2015 by Jacob

History
1) Following Reconstruction, Democrats returned to power in the former Confederate states and renewed the social and political oppression of southern African Americans. What was one result of this situation? A) African Americans became farm workers in the North. B) Thousands ...
Wednesday, November 4, 2015 by Abby

IT
A list of tasks to be completed by a company for a special project is a Detailed Invoice Statement of Work Statement of Workload System Workload I think its B, can someone confirm? thanks.
Tuesday, November 3, 2015 by Anon

History
1) Following Reconstruction, Democrats returned to power in the former Confederate states and renewed the social and political oppression of southern African Americans. What was one result of this situation? A) African Americans became farm workers in the North. B) Thousands ...
Tuesday, November 3, 2015 by Abby

MIS
I need help with this question please. Imagine that you are developing the rules for an expert system to select the strongest candidates for a medical school. What rules or heuristics would you include?
Tuesday, November 3, 2015 by Edgar

Geometry
How many lines of symmetry on the four operating symbols? Addition sign : 4 Subtraction sign : 2 Multiplication sign : 4 Division sign : 2
Monday, November 2, 2015 by Geo

health
A function of the female reproductive system is to provide a nourishing environment in which fertilized ____ can grow A.Ovary B. Sperm*** C.Egg D.Uterous
Monday, November 2, 2015 by Anonymous

IMF: Program Design
Assume real growth of government consumption of 20%, and revised real growth of public investment for 10.9% (check respectively, cells I45 and I46 in worksheet-Gov_Exp_proj). Please calculate the following to the nearest integer (e.g., 12134.2 = 12134). Question 5.26 Forecast ...
Monday, November 2, 2015 by rvanegas

Physics
Two particles approach each other with equal and opposite speed v. The mass of one particle is m, and the mass of the other particle is nm, where n is just a unitless number. Snapshots of the system before, during, and after the elastic collision are shown above. After the ...
Sunday, November 1, 2015 by Stephanie

English & Composition!
This is my conclusion to my surveillance essay. Can someone help me revise this or suggest any changes. I tried to make the conclusion as mature as possible to be a college/ university type of conclusion. Any further suggestions would be much appreciated. *I used "society...
Saturday, October 31, 2015 by Diana

P.E....Plzzzzzzz Help me:)
1. A person who does not recognize the signs of mental illness may not know he needs help. A. True*** B. False 2. Which of the following is not a sign of psychotherapy? A. insight B. cognitive C. medications*** D. group 3. Which is NOT a health professional who treats mental ...
Saturday, October 31, 2015 by Labbayk

us history
what factor caused the anger that led to the Boston massacre? a) Boston was occupied by the British soldiers. b) the colonists did not like the system of British taxes********* c) some american colonist disagreed with he kings policies.******** d) the British thought some ...
Saturday, October 31, 2015 by Ana

us history
which cash crops were the most successful in the international interdependence system? A) cotton, corn, squash, hemp b) indigo, cotton, rice, tobacco c) indigo, corn, potatoes, rum*** d) tobacco, corn, rice, pumpkins please help i think it is c please check thanks!:)
Friday, October 30, 2015 by Ana

English & Composition
Formal Writing Essay Prompt: Take a position that defends or challenges the claim that the recent profusion of surveillance technologies/ techniques constitutes a threat to civil liberty. (Here is my Introduction) I have to eliminate any linking verbs if possible. CAN SOMEONE ...
Friday, October 30, 2015 by Diana

Physics
An 7.6-kg object is sliding across the ice at 2.34 m/s. An internal explosion occurs, splitting the object into two equal chunks and adding 11 J of kinetic energy to the system. What is the average acceleration of the two chunks if the explosive separation takes place over a 0...
Friday, October 30, 2015 by Anonymous

History
In addition to the factors in the box, industrialization requires ___ [People with strong managerial skills Capital for invesment in industry many new graduates searching for jobs] a. access to plentiful natural resources <---? b. lots of houses and apartments to ...
Friday, October 30, 2015 by Gigi

Science
Which layer of the sun's atmosphere are you looking at when you look at an image of the sun? A: photosphere B: chromosphere C: corona D: prominence 2. Which of the following could have been found in the giant cloud that formed the solar system? A: hydrogen and helium B: ...
Friday, October 30, 2015 by Exam Kun

History
Which country produced the most industrial goods by the early twentieth century? England Germany <---- ? Japan Business owners take great risks when they invest in equipment and workers to produce goods. They are committed to finding the best ways to run their businesses ...
Friday, October 30, 2015 by Gigi

Physics
A system of inertia 0.39 kg consists of a spring gun attached to a cart. The system is at rest on a horizontal low-friction track. A 0.050-kg projectile is loaded into the gun, then launched at an angle of 40∘ with respect to the horizontal plane. With what speed does ...
Thursday, October 29, 2015 by Cbro

criminal justice
The harshest diposition that a juvenile judge can impose is? - Assignement to a diversion program - Incarceration <--- ? -Commitment to a residential facility -Probation The authority of both of the adult court system to hear juvenile cases is referred to as? -...
Thursday, October 29, 2015 by Dee

Social Studies Please Check My Answers
Which pair of basic questions guides geographers in their work? (1 point) Where are things located? and Why are they there?* What is the climate? and Why has it changed? When did Earth form? and What is it made of? Who lived where? and When did they move? 2. To learn more ...
Thursday, October 29, 2015 by Sam

Science
The Sun's surface layer is called the photosphere True or false? I think the answer is true. A star system has at least 3 stars. True or false? I think the answer is false. I am not completely sure on these. Could someone check them for me?
Thursday, October 29, 2015 by Anonymous

Social Studies Proofread Please
Why was northern Italy a natural birthplace for the Renaissance? In your answer, explain what (5 points) the Renaissance was. It was a natural birthplace for the Renaissance because it was sort of like a melting pot for trade. Renaissance means rebirth or reawakening. The ...
Thursday, October 29, 2015 by Sam

Social Studies Reed Help Please
Please note, these are essay questions. Why was northern Italy a natural birthplace for the Renaissance? In your answer, explain what (5 points) the Renaissance was. It was a natural birthplace for the Renaissance because it was sort of like a melting pot for trade. ...
Thursday, October 29, 2015 by Meg

Social Studies, Proofread my answers tutor
Please note, these are essay questions. Why was northern Italy a natural birthplace for the Renaissance? In your answer, explain what (5 points) the Renaissance was. It was a natural birthplace for the Renaissance because it was sort of like a melting pot for trade. ...
Thursday, October 29, 2015 by Tara

Social Studies, Ms. Sue
Please note, these are essay questions. Why was northern Italy a natural birthplace for the Renaissance? In your answer, explain what (5 points) the Renaissance was. It was a natural birthplace for the Renaissance because it was sort of like a melting pot for trade. ...
Thursday, October 29, 2015 by Sam

Science
Name the components of the respiratory system in the order incoming air would encounter then during breathing.
Thursday, October 29, 2015 by Anonymous

computer science
5. Calculation of tax in Ruritania In a fictitious country of Ruritania, which is in a fictitious continent called Afrisia, the tax system is highly simplified. They have system where all taxes are converted to one single value and then the tax is applied according to the ...
Wednesday, October 28, 2015 by Bofelo

Social Studies
Which of the following statements would describe a strength of the Articles of Confederation? A. The Confederation Congress could pass taxes. B. The federal court system handled all judicial matters. C. Any law passed by the Confederation Congress would override state laws...
Wednesday, October 28, 2015 by Amber

Geography and History (Ms. Sue)
1) How was the Yosemite Valley formed? A: ? 2) How did the establishment of the national park system help to conserve natural resources? A: The establishment of the national park system provided a safe haven for wildlife and put millions of acres of land under federal ...
Wednesday, October 28, 2015 by Victoria

Science
Perhaps you mean Hadean, when the planets of the solar system were just forming out of dust and particles. There were no solid rocks or anything yet, so you could hardly call it geologic. The thing about gravity is that if two specks of dust are drifting around the sun ...
Tuesday, October 27, 2015 by Music Note

Corporate Finance
I have answered all of the following except for the payback period, I do not understand how to do it. Can you please explain how to do the payback period? Texas Roks, Inc. is considering a new quarry machine. The costs and revenues associated with the machine have been ...
Monday, October 26, 2015 by Miss Patte

Is this right Ms Sue ???
through their study on earth, geographers learn how earth and its people affect ? human health the solar system each other political systems***
Monday, October 26, 2015 by lilly

please check my answer!!!
through their study on earth, geographers learn how earth and its people affect ? human health the solar system *** each other political systems
Monday, October 26, 2015 by lilly

U.S. History
Explain why President Wilson proposed the establishment of the Federal Reserve System. A: President Wilson proposed the establishment of the Federal Reserve System to restore public confidence in the banking system. The United States had not had a central bank since the 1830s...
Monday, October 26, 2015 by Victoria

Algebra
I am not getting any of the posted answers: Solve the system using elimination. 2x + 6y = -12 and 5x – 5y =10 (2, 1) (0, –2) (–2, 0) (1, 2)
Monday, October 26, 2015 by Sandra

Algebra 2
Solve the system by substitution. 2x + y = -11 3x - 4y = 11 (3, 5) (–5, –3) (–3, –5) (5, 3) How?
Monday, October 26, 2015 by Sandra

SCIENCE HELP PLEASE
1.Why can certain stars sometimes be identified as eclipsing binary stars? A. They are brighter than any single star. B. They are all white dwarfs C. They become dimmer at regular intervals*** D. They are cool red stars. 2. Which of the following is a major difference between ...
Monday, October 26, 2015 by Anonymous

science/physics
just trying to find out what temperature the water in my celcius heating system needs to be to achieve an air tempature of 68 degrees ferinheidt
Monday, October 26, 2015 by Anna

history
can someone compare and contrast a multiparty system (a systems with three or more political parties) and a one-party system
Sunday, October 25, 2015 by cortey

Physics
200 g of ice at 0ºC put in 500 g of water at 20C. The system is in a container with negligible heat capacity and which is isolated from surroundings. a)What will be the final temperature (at equilibrium) of the system? b)How much ice is melting?
Sunday, October 25, 2015 by Zhenya

Computer
You need to know the MAC address of a Windows 8 computer. How can you accomplish this? A. Look in the system properties. B. Type ipconfig at a command prompt. C. Type ipconfig/all at a command prompt. D. Type arp –m at a command prompt. I think it is A
Sunday, October 25, 2015 by F.Brown

Science
1.Why can certain stars sometimes be identified as eclipsing binary stars? A. They are brighter than any single star. B. They are all white dwarfs C. They become dimmer at regular intervals*** D. They are cool red stars. 2. Which of the following is a major difference between ...
Saturday, October 24, 2015 by Shalee ^~^

Chemistry
Calculate the change in internal energy of the following system: A 100.0-g bar of gold is heated from 25 C to 50 C during which it absorbs 322 J of heat. Assume the volume of the gold bar remains constant.
Saturday, October 24, 2015 by yana

Astronomy
1.Why can certain stars sometimes be identified as eclipsing binary stars? A. They are brighter than any single star. B. They are all white dwarfs C. They become dimmer at regular intervals*** D. They are cool red stars. 2. Which of the following is a major difference between ...
Saturday, October 24, 2015 by Shalee ^~^

World History
6. The Neolithic Revolution __________ A) was a result of systematic agriculture. *** B) is reflected in cave drawings. C) caused humans to melt metal to make tools and weapons. D) occurred when early humans established new forms of government. 7. A(n) __________ is a complex ...
Friday, October 23, 2015 by Anon

MATH
changing units in the metric system 1. 0.25L = _mL A)2.5 B)25 C)250 D)2,500 2. 6,051M =_ Km A)0.6051 B)6.051 C)60.51 D)605.1 3. 1.15cg =__ g A)0.0115 B)0.115 C)11.5 D)115 4. 603Kg =__ g A)6.03 B)60.3 C)6,030 D)603,000 5. a paper clip is 2.35 cm. how many long is the paper ...
Friday, October 23, 2015 by awesomeguy123

chemistry
A 30.5 g sample of an alloy at 94.8°C is placed into 52.1 g water at 22.8°C in an insulated coffee cup. The heat capacity of the coffee cup (without the water) is 9.2 J/K. If the final temperature of the system is 31.1°C, what is the specific heat capacity of the ...
Friday, October 23, 2015 by mara

Intellectual Academy
Pls show me the steps how to work this physics question:A pulley system of 4 pulleys is used to raise a loan of mass 50kg vertically,if its effeciency is 80%,determine the minimum effort required to raise the load(g=10ms-2)?
Thursday, October 22, 2015 by Joy

History @Reed
Which answer best describes part of James Otis' role in the Revolutionary Period? Otis supported the idea that each colony would have its own legal system.**** Otis opposed the British practice of executing searches without warrants. Otis opposed the American practice of ...
Wednesday, October 21, 2015 by Anon

Ms. Sue PLZZZ help with this U.S History
Which answer best describes part of James Otis' role in the Revolutionary Period? Otis supported the idea that each colony would have its own legal system.*** Otis opposed the British practice of executing searches without warrants. Otis opposed the American practice of ...
Wednesday, October 21, 2015 by Labbayk

Chemistry
The cooling system in an automobile holds 10.0 L of ethylene glycol antifreeze. How much energy is absorbed when the temperature of the ethylene glycol goes from 20°C to 100°C? The density and specific heat capacity of ethylene glycol are 1.11 g/mL and 2.42 J/(g •...
Wednesday, October 21, 2015 by Derek

History
1.)Studies conducted in england during the industrial revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely expalanation for this difference in hieghts is a difference in A.)Nutrition B.)Family...
Wednesday, October 21, 2015 by DJ

History
1.)Studies conducted in england during the industrial revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely expalanation for this difference in hieghts is a difference in A.)Nutrition B.)Family...
Tuesday, October 20, 2015 by DJ

algebra
A manufacturer produces two types of bottled coffee drinks: cappuccinos and cafés au lait. Each bottle of cappuccino requires 6 ounces of coffee and 2 ounces of milk and earns a profit of $0.40. Each bottle of café au lait requires 4 ounces of coffee and 4 ounces...
Tuesday, October 20, 2015 by Jae

Science
1.)Studies conducted in england during the industrial revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely expalanation for this difference in hieghts is a difference in A.)Nutrition B.)Family...
Tuesday, October 20, 2015 by Douglas

Physics please help me (:
Calculate the change in internal energy of a system if 25000 J of heat is added to the system while the system does 40000 J of work on its surroundings. Does this represent an increase or decrease of internal energy?
Tuesday, October 20, 2015 by Sammie

History
5.)What was the main effect of the 1763 Treaty of Paris A. France gained more Canadian territories. B. Spain lost all its holdings in North America C. Britain gained more land in North America D. Native Americans lost most of their tribal lands A.)France gained more ccanadian ...
Monday, October 19, 2015 by Douglas

Physics-E&M
8.1 Collision? A permanent magnet creates a homogenous magnetic field B~ inside a rectangular region. The magnet is moving with a velocity ~v ⊥ B~ . A particle at rest with mass m and charge Q is on the path of the magnet. Assume that the magnet has a mass much larger ...
Monday, October 19, 2015 by Ryan

Pre-calculus
Solve the system of linear equations and check any solutions algebraically. (If there is no solution, enter NO SOLUTION. If the system is dependent, express x, y, and z in terms of the parameter a.) x-3y+2z=21 5x-13y+12z=81 I have an answer but i'm not sure if it's ...
Monday, October 19, 2015 by Sarah

chemistry-Dr BOB
Hi Dr. Bob, I first want to tank you for all your help. Secondly, I don't understand why this was marked wrong. When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of ...
Sunday, October 18, 2015 by patrick

algebra2
classify each system and determine the number of solutions: 5x-y=-3 and 15x-3y=-9
Sunday, October 18, 2015 by rae

chemistry-Dr Bob
is that a -56? Dr. BOb. thank you When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and...
Sunday, October 18, 2015 by patrick

History
Can someone check my history questions? Please? 1) Republicans were responsible for the passage of the Thirteenth Amendment, which effectively nullified the Three-fifths Compromise. Why was this an issue of concern for Republicans? A) because it meant that former Confederates ...
Saturday, October 17, 2015 by Abby

chemistry
is that a -56? Dr. BOb. thank you When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and...
Saturday, October 17, 2015 by patrick

Sports Finance
I have to develop the year one operating budget of a new NHL Arena that costs $170 million. Also, I will have to complete a year one through five revenue and expense profit/loss forecast. What do I include in both of this budgets? Any examples that might help will be greatly ...
Saturday, October 17, 2015 by Hagazaki

chemistry/check my work I have to submit today
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and that density and specific heat ...
Friday, October 16, 2015 by patrick

chemistry help DR. BOB
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and that density and specific heat ...
Friday, October 16, 2015 by patrick

chemistry
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and that density and specific heat ...
Friday, October 16, 2015 by patrick

chemistry
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and that density and specific heat ...
Friday, October 16, 2015 by patrick

chemistry
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and that density and specific heat ...
Thursday, October 15, 2015 by patrick

Chemistry
A solution containing a mixture of 0.0381 M potassium chromate (K2CrO4) and 0.0769 M sodium oxalate (Na2C2O4) was titrated with a solution of barium chloride (BaCl2) for the purpose of separating CrO42– and C2O42– by precipitation with the Ba2 cation. Answer the ...
Thursday, October 15, 2015 by Anne

chemistry
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and that density and specific heat ...
Thursday, October 15, 2015 by patrick

chemistry
What is the change in internal energy (in J) of a system that absorbs 0.246 kJ of heat from its surroundings and has 0.771 kcal of work done on it? Is this correct? 0.246, kJ x (1000 J/1 kJ) = 246 J 0.771 kcal x (4184 J/1 kcal) =3225.86 j 246 J + 3225.86 J = 3471.86 J or 3....
Wednesday, October 14, 2015 by patrick

us history
What did the founders mean when the wrote ¨to form a more perfect union?¨ A) a military would be formed to protect against foreign threats. b) a court system would be formed to resolved disputes between citizens. c) a process will be created to solve disputes between ...
Wednesday, October 14, 2015 by Ana

cultural diversity
Which is NOT a strategy that can be implemented by a teacher to understand a family’s goals for his or her child’s linguistic development? A. The teacher can create a parent survey. B. The teacher can assume each family has the same goal for their child to learn ...
Wednesday, October 14, 2015 by Lauren

Algebra
Explain how you can determine from the graph of a system of two linear equation in two variables whether is an inconsistent system of equation. 2. When you solve a system of equation by the substitution method how do you determine whether the system of equation is inconsistent?
Wednesday, October 14, 2015 by Angelina

Physics
If there was a way to accelerate a spaceship close to the speed of light to go visit some neighboring star system, one would still face the problem that every particle the spaceship finds on its way will be a projectile hitting it with almost the speed of light, causing ...
Wednesday, October 14, 2015 by Ryan

Biology
Cite a way the excretory system helps maintain homeostasis, besides removing wastes,water,carbon dioxide, and salts.
Wednesday, October 14, 2015 by Cassie

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