Element Y is an odorless, tasteless, non-reacting gas at room temperature. Where would Element Y be placed on the periodic table?
B
A.
A
B.
B
C.
С
D. D

Fill in the blanks for the following statements: the rms speed of the molecules in a sample of h2 gas at 300 k will be times larger than the rms speed of o2 molecules at the same temperature, and the ratio µrms (h2) / µrms (o2) with increasing temperature. a not enough information is given to answer this question b sixteen, will not change c four, will not change d four, will increase e sixteen, will decrease

What are the other two pieces of glassware you used in this experiment that you could obtain hundredths digit accuracy?

The hammering on a train track is often heard twice by workers farther down the track; first as the sound travels through the steel and second as the sound travels through the air. this suggests which graph is true?