Calculate the number of calories needed to increase

Assignment Help Chemistry
Reference no: EM13162256

1. Calculate the number of calories needed to increase the temperature of 50.0 g of copper metal from 21.0 degrees C to 75.0 degrees C. Given, the specific heat of copper is 0.382 cal/g x degrees C.

2. What will be the final temperature if 2000g of copper at 95 degrees C loses 10kcal of heat.

Reference no: EM13162256

Questions Cloud

Calculate the amount of energy necessary to vaporize : calculate the amount of energy necessary to vaporize 10 g of acetone at its boiling point if the heat of vaporization is 29.1 kJ/mol.
Write a program to calculate the area of a circle : Write a program to calculate the area of a circle. The program should use two procedures. The first procedure will print out the program heading and ask the user to enter the radius. The second procedure should calculate the area. The area of the cir..
What is the global cpi for each implementation? : Given a program with a dynamic instruction count of 1.0E6 instructions divided into classes as follows: 10% class A, 20% class B, 50% class C, and 20% class D, which implementation is faster?"
Calculate the change in heat for the surroundings : The surrounding solution has a mass of 1298 and its temperature is changed by 12.7 . If the specific heat is assumed to be 4.18 , calculate the change in heat for the surroundings.
Calculate the number of calories needed to increase : Calculate the number of calories needed to increase the temperature of 50.0 g of copper metal from 21.0 degrees C to 75.0 degrees C. Given, the specific heat of copper is 0.382 cal/g x degrees C.
Determine the theoretical volume of naoh : Determine the theoretical volume of NaOH it should take to neutralize the sulfuric acid in the equilibrium reaction mixture.
Determine the number of bromine molecules present in flask : A flask contains 0.110 mol of liquid bromine, Br2. Determine the number of bromine molecules present in the flask.
Find a uniform price what is the price : A monopolist has two types of customers. There are 100 of TYPE A, who will each pay up tp $10 for a single unit of the good, and 50 of TYPE B, who will each pay up to $8.00.
What would the volume of methane at standard temperature : a bacterial culture isolated from sewage produced mL of methane,ch4 at 30C and 749 mmHg. What would the volume of methane at standard temperature and pressure 10 C 760 mmHg'

Reviews

Write a Review

Chemistry Questions & Answers

  Verify that one part per million corresponds to one minute

Verify the following statements (a) One part per million corresponds to one minute in two years, or a single penny in $10,000.

  What is the vapor pressure of the solution

16 grams CH3OH is dissolved in 27 grams of water at 30 degrees celcius. given that vapor pressure of water at 30 degrees celcius is 31.82mm Hg.

  What is the henry''s law constant for the unknown gas

An unknown gas sample was dissolved in water at 25°C, producing a solution with a concentration of 4.7 x 10-4 M at 522 mm Hg. What is the Henry's law constant for the unknown gas

  Products in a double-replacement reaction

Determine the precipitate that forms if silver nitrate aqueous solutions and KCl react to produce products in a double-replacement reaction.

  What is the resulting temperature

What is the resulting temperature when 35 g of water at 75C is mixed with 15 g of water at 15C? (The specific heat of water is 4.184 J/g x C.)

  Determine the theoretical volume of naoh

Determine the theoretical volume of NaOH it should take to neutralize the sulfuric acid in the equilibrium reaction mixture.

  What is the concentration of cu2+ in the other half cell

A Cu/Cu2+ concentration cell has a voltage of 0.24 V at 25 Celcius. The concentration of Cu2+ in one of the half cells is 1.5 * 10-3 M. what is the concentration of Cu2+ in the other half cell?

  What is the density of the solid

A 32.65-g sample of a solid is placed in a flask. Toluene, in which the solid is insoluble, is added to the flask so that the total volume of solid and liquid together is 54.00 mL

  The products expected from the treatment hydrogen peroxide

Draw the products(if any) expected from the treatment of each of the following compounds with ozone followed by aqueous hydrogen peroxide

  What weight of steam would be needed

When steam (hot water) is passed over iron, hydrogen gas and iron (3) oxide are formed. What weight of steam would be needed to react completely with 100.0g of iron.

  What would be the vapor pressure of acetone

The normal boiling point for acetone is 56.5°C. At an elevation of 5300 ft the atmospheric pressure is 630. torr.

  What mass of silver chloride will be recovered

What mass of silver chloride will be recovered if excess sodium chloride is added to 500 mL of solution containing 10.79g of Ag+?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd