Chemistry, 22.09.2019 02:30 jkenkw4667
According to the law of conservation of matter, which chemical equation represents a possible chemical reaction?
a. 2na cl2 nacl
b. h2o2 h2o o2
c. 6co2 h2o energy c6h12o6 6o2
d. c2h4o2 nahco3 nac2h3o2 h2o co2
Answers: 1
Chemistry, 22.06.2019 17:30, llamasking
Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)
Answers: 2
According to the law of conservation of matter, which chemical equation represents a possible chemic...
Biology, 15.07.2020 01:01