Chemistry, 11.09.2019 01:10 lambobacon9027
During the phosphatase experiment you will use a 1% w/v of phenolphthalein di-phosphate (ppp). how much ppp do you need to make 500ml of the solution if you only have 25g and you know that the mw of ppp is 478 g/mole?
Answers: 3
Chemistry, 22.06.2019 01:40, natannale
Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.
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
During the phosphatase experiment you will use a 1% w/v of phenolphthalein di-phosphate (ppp). how m...
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