32
1. the scientific method begins with a question
a. conclusion
b. statement...
Chemistry, 09.10.2019 16:50 daniellacalles
32
1. the scientific method begins with a question
a. conclusion
b. statement
2. a is a testable statement, often written as an "if/then" statement.
a. statement
b. hypothesis
c. proof
3. scientists test a hypothesis with a experiment.
a. controlled
b. random
c. variable
Answers: 1
Chemistry, 21.06.2019 14:20
Which is true of chemicals? a. things containing chemicals always cost a lot of money. b. chemicals are never dangerous. c. chemicals are in many substances in a home. d. chemicals are rarely found on earth.
Answers: 1
Chemistry, 21.06.2019 20:30
10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)
Answers: 2
Chemistry, 22.06.2019 00:00
Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt
Answers: 3
Chemistry, 22.06.2019 07:30
In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?
Answers: 1
Mathematics, 14.12.2020 22:40
Mathematics, 14.12.2020 22:40
Mathematics, 14.12.2020 22:40
Mathematics, 14.12.2020 22:40
Mathematics, 14.12.2020 22:40