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 contain ...
This deals with calorimeter and heat capacity. - If 2.500 g of Mg is burned in a constant volume calorimeter with a heat capacity of 1.10 kJ/degrees Celsius containing 1.500 L of water at 23.50 degrees Celsius and releases 37.33 kJ of heat, what is ...
MASS - What masss of water in grams, produces 729 J when cooled from 58.0 degrees Celcius to 28.0 degrees Celsius?
A. 3.00
B. 0.0412
C. 0.172
D. 24.3
E. 5.81
Chemistry Questions - 3. Bottled water consumption was reported to be 21 gal per person in the United States in 2002.
The last census reported 2.9 x 10^8 people in the US
a. What is the total estimated bottled water co ...
Dimensional analysis - If an aluminum sphere has a mass of 23.01 grams and was heated to 137.0 Celsius and lowered into a cup containing 20.00 mL of water at 21.0 Celsius. The final temperature of the water and the sphere w ...