Answers: 1
Chemistry, 22.06.2019 17:30
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
Chemistry, 22.06.2019 23:30
Rank the following four acids in order of increasing bronsted acidity : h2f+ , ch3oh, (ch3)2oh+ , ch3sh2+
Answers: 3
Chemistry, 23.06.2019 00:30
Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction
Answers: 3
Na+ is a solution. a mixture. a compound. an ion...
History, 05.12.2021 06:50
Mathematics, 05.12.2021 06:50
Mathematics, 05.12.2021 06:50
Mathematics, 05.12.2021 06:50
Mathematics, 05.12.2021 06:50
Mathematics, 05.12.2021 06:50
Mathematics, 05.12.2021 06:50
English, 05.12.2021 06:50
English, 05.12.2021 06:50
Chemistry, 05.12.2021 07:00
Chemistry, 05.12.2021 07:00