What state function does this energy represent

Assignment Help Chemistry
Reference no: EM13168924

175g pure H2O was placed in a constant-pressure calorimeter and chilled to 10C 9.8g pure H2SO4 (also 10C) was added, stirred and the temperature rose to 19.8C.

a)What do we assume about specific heat?
b)Calculate the energy change for the reaction.
c)What state function does this energy represent?
d)Calculate the energy change in kJ/mole.

Reference no: EM13168924

Questions Cloud

What is the formula for the ionic compounds formed : what is the formula for the ionic compounds formed by magnesium ions and calcium ions with nitrate ions?
What is final temperature of the block after the evaporation : what is the final temperature of the block after the evaporation of the alcohol? Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and that the alcohol vaporizes at 25'C.
Type of fund in which each entry would be made : It is the policy of the organization to charge an entire year's depreciation in the year of acquisition. Prepare all required journal entries, being certain to indicate the type of fund in which each entry would be made.
What is the total combined mass of carbon dioxide : An automobile gasoline tank holds 21 of gasoline. When the gasoline burns, 84 of oxygen is consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced?
What state function does this energy represent : 175g pure H2O was placed in a constant-pressure calorimeter and chilled to 10C 9.8g pure H2SO4 (also 10C) was added, stirred and the temperature rose to 19.8C.
Prepare required journal entries for 2014 and 2015 : Prepare required journal entries for 2014 and 2015. Be sure to indicate whether each entry should be made to an unrestricted or temporarily restricted fund and
What is the solubility of aucl at this temperature : For AuCl, Ksp = 2.0 x 10-13 at 25°C. What is the solubility of AuCl at this temperature?
Compute the amount of cash dividends paid : compute the amount of cash dividends paid during the third year to each of the three classes of stock and compute the dividends paid per sharing during the third year for each of the three classes of stock.
Compute the amount of the bond interest expense : Second semiannual interest payment, including amortization of discount and compute the amount of the bond interest expense for the first year.

Reviews

Write a Review

Chemistry Questions & Answers

  How many grams of solvent are in the solution

You have 1005.3 g of a bleach solution. The percent by mass of the solute sodium hypochlorite, NaOCl, is 3.62%. How many grams of solvent are in the solution?

  What is the energy of a c-c bond in kj or mole

What is the energy of a C-C bond in kJ/mole? Explain. How does this amount of energy compare?

  What is the enthalpy, delta h, of licl

A 4.50-g sample of LiCl at 25.0 C dissolves in 25.0 mL of water also at 25 C. The final equilibrium temperature of the resulting solution is 60.8 C.

  How many milliliters of 4.21 m naoh are needed

How many milliliters of 4.21 M NaOH are needed to completely neutralize 76.9 mL of 0.340 M H3PO4?

  Write a word equation and an unbalanced formula equation

Solid silicon and solid magnesium chloride form when silicon tetrachloride gas reacts with magnesium metal. Write a word equation and an unbalanced formula equation. Include all of the appropriate notations.

  What is the final concentration

63.0 mL of a 1.20 M solution is diluted to a volume of 208 mL. A 104-mL portion of that solution is diluted using 157 mL of water. What is the final concentration.

  How many grams of urea must be added to enough water

how many grams of urea must be added to enough water to obtain 115 ml of a solution with an osmotic pressure of 2.7 atm at 35 degrees celsius

  What is the initial concentration of the chlorine

Find what is the initial concentration of the chlorine before dilution - unknown concentrated chlorine

  Calculate the mass of ice

Consider a glass of 254 mL of water at 25°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.

  What is the equilibrium constant

CO(g) + 2H2(g) = CH3OH(g) , what is the equilibrium constant? , where CH3OH = 0.0412 atm, H2 = 0.274 atm, CO = 0.914 atm.

  What happens when suddenly a piston enclosing the cylindrica

Consider a cylindrical container partially filled with ethanol (C2H6O). Using the model in which ethanol vapor pressure is a result of equilibrium between the rate of ethanol evaporation and condensation.

  Calculate the ph of the solution

A chemist dissolves 284 mg of pure potassium hydroxide in enough water to make up 140 mL of solution. Calculate the pH of the solution.

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