Chemistry, 07.10.2019 18:30 thatlostgirl7740
Ascrew is a type of simple machine. if we look closely at a screw, we see that it is really a wrapped around a central core.
a) wedge
b) lever
c) fulcrum
d) inclined plane
Answers: 3
Chemistry, 21.06.2019 16:30
Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming
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Chemistry, 22.06.2019 23:10
Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.
Answers: 3
Chemistry, 23.06.2019 03:00
What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients
Answers: 1
Ascrew is a type of simple machine. if we look closely at a screw, we see that it is really a wrapp...
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