Say I have a completely empty cylinder whose capacity is exactly 10 liters. It makes perfectly good sense to say that it will take 10 liters of a liquid to fill it. I don't get the gas part. If 1 gram of hydrogen is introduced into the cylinder, it will completely fill it because gases expand to...

What would be the effect on the value of the Specific heat Capacity of water if all temperatures were measured in Kelvins (k) rather than degrees celsius (C). Explain

My ultrasound on Tuesday says that I am 4wks and 4 days. My last period was on October 24th, so I should be five weeks if anything. But that period and the one before were not normal and I really think I've been pregnant longer than 5 weeks. Could they be wrong? I did have it done at...

Hi, I'm not a HVAC guy, so please don't read anything into my user name. I was thinking of HVAC when I created my user name.:) I've followed all the faq and answers here, and am pretty sure I understand how this stuff works, but would like confirmation on the following: So on my 20 year old...