subject
Chemistry, 15.01.2020 02:31 Fangflora3

2. how do we know if a hypothesis is scientific?

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 22:20
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
Answers: 2
question
Chemistry, 22.06.2019 06:30
Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?
Answers: 2
question
Chemistry, 22.06.2019 18:50
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g.  what is the percent by mass of water in the hydrate?   %
Answers: 1
question
Chemistry, 22.06.2019 20:00
State one important difference between a physical change and a chemical change?
Answers: 1
You know the right answer?
2. how do we know if a hypothesis is scientific?...
Questions
question
Biology, 31.01.2021 07:10
question
Mathematics, 31.01.2021 07:10
question
Mathematics, 31.01.2021 07:10
question
English, 31.01.2021 07:10
Questions on the website: 13722363