44given the equation representing a reaction at equilibrium : 2so2(g) + o2(g) ==> 2so3(g) + heat
which change causes the equilibrium to shift to the right?
(1) adding a catalyst
(2) adding more o2(g)
(3) decreasing the pressure
(4) increasing the temperature

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.