Yannan Huang
This page lists questions and answers that were posted by visitors named Yannan Huang.
Questions
The following questions were asked by visitors named Yannan Huang.
The enthalpy of combustion of benzoic acid(C6H5COOH) which is often used to calibratecalorimeters, is −3227 kJ/mol. When 1.316 gof benzoic acid was burned in a calorimeter, the temperature increased by 2.226◦C. What is the overall heat capacity of the cal...
13 years ago
A 800 kg steel beam is supported by two ropes. Each rope has a maximum sustained tension of 6600 N. One of the ropes is 20 degrees left of the horizontal(normal) while the other rope is 30 right of the horizontal(normal). What is the tension in each rope?
12 years ago
Answers
The following answers were posted by visitors named Yannan Huang.