If a gas is cooled from 222 K to 125 K and the volume is kept constant, what would be the final pressure if the original pressure was 760 mmHg?
a. 0.56 atm
c. 28125 atm
b. 422 atm
d. 356 mmHg

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.

Which of the following are sources of revenue for media companies? a. direct sales to producers b. advertising and subscriptions c. online purchase d. capital investments