How much heat is needed to vaporize 33.3 grams of ethyl alcohol at its boiling point of 78.0°c? the latent heat of vaporization of ethyl alcohol is 857 j/g. round your answer to three significant figures.

In the first law of thermodynamics, triangle e=q-w, what does q stand for

Which levels of government establish and implement educational requirements for minors

An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?