Chemistry, 08.03.2021 21:30 lorraneb31
Which formula represents an ionic compound?
1) NO
2) KCI
3) HCI
4) CO,
Answers: 3
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Avariable that is not being directly tested during an experiment should be changed varied experimented controlled
Answers: 1
Chemistry, 22.06.2019 18:30
The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of
Answers: 2
Chemistry, 22.06.2019 20:00
The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.
Answers: 3
Which formula represents an ionic compound?
1) NO
2) KCI
3) HCI
4) CO,...
1) NO
2) KCI
3) HCI
4) CO,...
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