We have a sample of water vapor which cools from 150 °C to 125 °C. What happens to the motion of the molecules during this time of cooling? A. The motion of the molecules stops. B. The motion of the molecules increases. C. The motion of the molecules decreases. D. The motion of the molecules remains the same.
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Chemistry, 22.06.2019 16:00, matt16913
Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
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Chemistry, 22.06.2019 20:00, jalenevoyles
Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
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We have a sample of water vapor which cools from 150 °C to 125 °C. What happens to the motion of the...
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