Chemistry, 30.10.2021 22:20 skrillex88
A student did an investigation to find ways to decrease the force needed to pull a weight up an inclined plane as shown below. What were the two methods she discovered to reduce the force?
Answers: 3
Chemistry, 23.06.2019 01:00
How does carbon monoxide pose the greatest threat to humans? a. it can be produced by wood fires. b. it can be produced by home furnaces. c. it is produced by acid rain. d. it is produced by modern automobiles.
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Chemistry, 23.06.2019 03:50
Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products
Answers: 1
A student did an investigation to find ways to decrease the force needed to pull a weight up an incl...
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