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lindsay1054
01.04.2020 •
Chemistry
According to the collision theory, reaction rate can be increased by increasing the of
collisions and/or increasing the of the collisions.
2. Ionic Compounds dissolve at an incredible speed that is impossible to measure.Reactions involving
(ionic, covalent) substances occur at a faster rate than reactions involving
(ionic, covalent) substances. Solubility plays a major roll, too.
3. a. Increasing the concentration of one of the reactants usually
(increases, decreases) the rate of a chemical reaction by increasing the
(effectiveness, frequency) of the collisions.
b. Why does a 50g mass of iron rust faster when it is broken into small pieces than it does
when it is in one piece?
c. How can you manipulate a balloon so the concentration of gases can be increased?
4. How does increasing temperature increase reaction rate? Does it increase the frequency or
effectiveness of the collisions? Explain.
5. The minimum energy needed to initiate a chemical reaction is known as the .
.
6. Ais a substance that...
i. increases the rate (speed) of a chemical reaction,
ii. provides a different mechanism for a reaction with lower activation energy,
iii. and is regenerated when the reaction is over (not “used” in the reaction)
Iv. in Biology, these substances are also called Enzymes!
7. What are some ways you can make wet paint dry faster?
8. How can you quickly stop the internal cooking of a hot, boiled, potato?
Explain why this technique would work, in terms of the collision theory.
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Ответ:
how do i answer? I'm new I'm so sorry!