Sunday
April 20, 2014

Homework Help: chem Help please!

Posted by Kjd on Saturday, October 20, 2012 at 3:28pm.

A water heater is fueled by the combustion of propane as described by the following reaction:
C3H8(g) + 5 O2(g) --> 3 CO2(g) + 4 H2O(l)

a) Determine how much heat is released if 11.2 moles of propane are burned at 298 K and at a constant pressure of 1.00 bar.

b) Assume that the water heater contains 146 L of water at an initial temperature of 25.0 degreeC. What will the water temperature rise to if all of the heat produced under the previous conditions is used to heat the water?

ANS:
a) -2.49x10^7 J
b) 65.8 degreeC

Please explain steps. Thank you! Much help is appreciated.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

College Physics - On average, an electric water heater operates for 3.4h each ...
AP Physics - You go to kitchen to boil water. You pour 280 gram of water to a ...
Math - A hot water heater measures 20" in diameter. What is the area of a metal ...
math - A hot water heater measures 20" in diameter. What is the area of a metal...
Chemistry - A portable electric water heater transfers 255 watts (W) of power to...
physics - A 150L water heater is rated at 8kW. If 20%if its heat escapes, how ...
Physics! - If a water heater has a capacity of 54.4 gallons and a 4910 W heating...
Physics Q - If a water heater has a capacity of 54.4 gallons and a 4910 W ...
physical science - A 150-L water heater is rated at 8 kW .If 20 percent of its ...
Physics - An electric immersion heater is rated 5 A when connected to a 120V ...

Search
Members