Chemistry, 03.11.2019 19:31 kiwipitts4856
During a chemical change, substances react to form a new substance. some signs of chemical change are gas formation, a change in color, or the production of heat. do you think the reaction between calcium carbonate and vinegar is a chemical change? why?
Answers: 1
Chemistry, 22.06.2019 13:30, princessroseee769
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?
Answers: 1
During a chemical change, substances react to form a new substance. some signs of chemical change ar...
Mathematics, 28.07.2020 04:01