The F-C-F bond angle in the CH2F2 molecule is approximately . Group of answer choices

180°

90°

120°

60°

109.5°

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

In a spacecraft, the following reaction occurs: co2(g) + 2lioh(s) -> lico3(s) + h2o(i) (i attached picture of equation) how many liters of carbon dioxide will 4 moles of lithium hydroxide (lioh) absorb? (one mole of any gads occupies 22.4 l under certain conditions of temperature and pressure. assume those conditions for this equation.) 45l 6.0l 3.0l 34l

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will