A DIAGNOSTIC TEST 39 59. Which data must be collected to calculate the enthalpy of reaction? (A) volume, pressure, initial and final temperature (B) conductivity, concentration, pH (C) initial and final temperature, absorbance, concentration (D) concentration, volume, initial and final temperature 60. How does the temperature change and why does it occur? (A) The temperature increases because potential energy of the chemical bonds is transformed into thermal energy. (B) The temperature increases due to the friction of mixing. (C) The temperature decreases because water formed in the g. ons ner t. reaction has a high specific heat сарacity. (D) The temperature decreases due to decrease in entropy from the formation of a salt.

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A DIAGNOSTIC TEST 39
59. Which data must be collected to
calculate the enthalpy of reaction?
(A) volume, pressure, initial and final
temperature
(B) conductivity, concentration, pH
(C) initial and final temperature,
absorbance, concentration
(D) concentration, volume, initial and
final temperature
60. How does the temperature change
and why does it occur?
(A) The temperature increases
because potential energy of the
chemical bonds is transformed
into thermal energy.
Questions 59-60 refer to the following.
The enthalpy of reaction of HCl and
NAOH is to be calculated. The solutions
are combined in an insulated container
that is isolated from the environment.
(B) The temperature increases due to
the friction of mixing.
(C) The temperature decreases
because water formed in the
reaction has a high specific heat
capacity.
(D) The temperature decreases due
to decrease in entropy from the
formation of a salt.
Transcribed Image Text:A DIAGNOSTIC TEST 39 59. Which data must be collected to calculate the enthalpy of reaction? (A) volume, pressure, initial and final temperature (B) conductivity, concentration, pH (C) initial and final temperature, absorbance, concentration (D) concentration, volume, initial and final temperature 60. How does the temperature change and why does it occur? (A) The temperature increases because potential energy of the chemical bonds is transformed into thermal energy. Questions 59-60 refer to the following. The enthalpy of reaction of HCl and NAOH is to be calculated. The solutions are combined in an insulated container that is isolated from the environment. (B) The temperature increases due to the friction of mixing. (C) The temperature decreases because water formed in the reaction has a high specific heat capacity. (D) The temperature decreases due to decrease in entropy from the formation of a salt.
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