Consider this reaction: zn(s) + 2hcl(aq) → zncl2(aq) + h2(g).
which combination of factors will affect the rate of the reaction?
temperature, concentration, and surface area

temperature and concentration only

concentration and surface area only

temperature and surface area only

How will the emission of an alpha particle affect the atomic number of an atom

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?