Amena.S
This page lists questions and answers that were posted by visitors named Amena.S.
Questions
The following questions were asked by visitors named Amena.S.
A 1.50 rubber balloon balloon is filled with carbon dioxide gas at a temperature of 0.00 degrees celsius and a pressure at 1.00 atm. The density of carbon dioxide under these conditions are 1.98 g/L. At 50.0 degrees celsius, the balloon has a volume of 1....
7 years ago
Liquid Freon (CCl2F2) is used as a refrigerant. It is circulated inside the cooling coils of older refrigerators or freezers. As it evaporates, it absorbs heat. How much heat can be removed by 2.00 kg of Freon as it evaporates inside the coils of a refrig...
7 years ago
NH4+ + NO2- = N2 + 2H2O A reaction is run, and the liberated N2 gas is collected in a previously evacuated 500 mL container. After the reaction has gone on for 750 seconds, the pressure of N2 in the 500 mL container is 2.77 x 10^-2 atm , and the temperatu...
7 years ago
A 20 kg sphere is at the origin. A 10 kg sphere is at (x,y) = (-30cm,0cm) and a 30 kg sphere is at (0cm,40cm). Calculate the gravitational force on the 10 kg sphere, resulting from the other two spheres. Please help! Thanks
7 years ago
Answers
The following answers were posted by visitors named Amena.S.
I'm sorry I meant to put a 1.50 L of rubber ballon!
7 years ago
Thank you very much Arora and DrBob!! You guys were very helpful :)
7 years ago
I'm also wondering why no temperature given. I don't understand why it wouldn't be needed. Thanks
7 years ago
Oh my apologies! It's 38.6 cal/g
7 years ago
Please show steps! Thanks!
7 years ago
That's the equation I used! I found moles to be 3.22 x 10^-4 mol and concentration to be 6.45 x 10^-4 M. I found the rate to be 8.60 x 10^-7 M/s, but the answer in my textbook is 7.55 x 10^-7 M/s
7 years ago
So I am not sure where things are going wrong?
7 years ago
Was the concentration of 6.45 x 10^-4 M correct? Just so I know I understand the concept?
7 years ago