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Author Question: For an exothermic reaction, lowering the temperature of the reaction will ________. A) increase ... (Read 127 times)

mp14

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on: Aug 27, 2018
For an exothermic reaction, lowering the temperature of the reaction will ________.
 
  A) increase the amount of products
  B) decrease the amount of reactants
  C) decrease the amount of products
  D) both A and B

Question 2

In 1961, the reference for the atomic mass unit (amu or u) was changed from naturally occurring oxygen with a value of 16.000 u to one based on a single isotope of carbon (carbon-12). Why was it changed?
 
  A) The atomic composition of oxygen varies depending upon its source.
  B) Carbon-12 is more common than oxygen.
  C) Carbon exists as only one isotope, carbon-12.
  D) Carbon can combine with four atoms of hydrogen to form CH4, methane, while oxygen only combines with two atoms of hydrogen to form water, H2O.


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allisonblackmore

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

A


mp14

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Reply 2 on: Aug 27, 2018
:D TYSM

scikid

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Reply 3 on: Yesterday
Excellent

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