How many kilograms of water form when 48 kg of oxygen gas chemically combine with 6 kg of hydrogen gas?

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?

How many grams are in 68.2 molecules of br2?

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas