This deal with calculating the heat of a reaction.

A reaction in a bomb calorimeter causes the water temperature to decrease from 25.84 degrees Celsius to 20.35 degrees Celsius. The substance reacting has a mass of 0.853 g and the calorimeter contains exactly 2.50 L of water. If the calorimeter has a heat capacity of 1.8k/J degrees Celsius, calculate the heat of the reaction. ...continues

This deals with calculating the enthalpy change in a reaction.

Calculate the enthalpy change for the reaction 2S(solid) = 3O2(gas) producing 2SO3(gas) given the following information: 1. S(solid) + O2(gas) producing SO2(gas) with a change in heat of reaction = negative 297 kJ 2. 2SO3(gas) producing 2SO2(gas) + O2; with a change in heat of reaction = 198 kJ Please show work and s ...continues

This deals with chemical reactions and the production of heat.

The combustion of methane produces 802 kJ of heat. CH4(gas) + 2O2(gas) produces CO2(gas)+ 2H2O(liquid) Heat = negative 802kJ A) If 20 grams of methane is reacted, how much heat would be produced? B) If the reaction used 105 grams of oxygen, how much heat would have been produced? C) If 25 L of carbon dioxide were formed i ...continues

A three step problem

A sample of nitrogen gas has a volume of 3.00 L at 25 degrees C. What volume will it occupy at each of the following temperatures if the pressure and number of moles are constant a. 546K b. 0.00C c. 373K

Formation of molecules in a reaction

Using the reaction of hydrogen chloride (hydrochloric acid) and calcium hydroxide to produce water and calcium chloride answer the following: What is the maximum number of molecules of calcium chloride that can be formed in this reaction?

Equation of temperatures

Cyclopropane is used as a general anesthetic. If a sample of cyclopropane stored in a 2.00L container at 10.0 atm and 25C is transferred to a 5.00L container at 5.00 atm, what is the resulting temperature?

A four part question

Using the reaction of hydrogen chloride (hydrochloric acid) and calcium hydroxide to produce water and calcium chloride answer the following: A. How many moles of hydrochloric acid react with 0.5 moles of calcium hydroxide? B. How many grams of hydrochloric acid react with 1 mole of calcium hydroxide? C. How many grams of cal ...continues

A equation with 9 parts

(any number following an asterisk is a subscript) Using the equation for the combustion of methane: CH*4(L) + O*2(G) --> CO*2(G) + H*2O(G) answer the following: A. Is the equation properly balanced and if not balance it. B. Name the compounds in this reaction. c. How many moles of O*2 react with 1 mol of CH*4? D. How many ...continues

chemical equation with 7 parts

(any number following an asterisk is a subscript) Using the balanced chemical equation: C*6H*12O*6 + 2H(positive charge)--> C*6H*14O*6 answer the following A. How many grams of C*6H*12O*6 equals one mole? B. How many grams of C*6H*14O*6 equals one mole? C. How many moles of H(positive charge) react with 1 mol of C*6H*12O*6 ...continues

Chemistry Question Set

Please see the attached file for full problem description.