Chemistry, 22.02.2020 09:01 ednalovegod
Putting a straw in a glass of water can often make the straw look broken, even though it is in perfect condition. Which of the following best explains why this happens?
A. The light creates heat in the water causing the straw to look different.
B. The light bends in the water causing the straw to look different.
C. The light reflects in the water causing the straw to look different.
D. The light is absorbed in the water causing the straw to look different.
Answers: 1
Chemistry, 21.06.2019 22:30
Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?
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Chemistry, 22.06.2019 17:00
Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.
Answers: 1
Chemistry, 22.06.2019 18:10
Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate
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Putting a straw in a glass of water can often make the straw look broken, even though it is in perfe...
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