2. When 1.0 g of sodium nitrate was dissolved in 50.0 g of water in a calorimeter at 20.0°C, the temperature of the solution decreased to 14.5°C. Assume the mass of the solution is equal to the mass of water and that c = 4.18 J/(g · °C), as per Equation (6). %3D p solution endothermic have been absorbed by the a Is this process endothermic or exothermic? Leat MUS+ since, there cwas from the ŠYSPM Explain: a. Syster in tempen deerease -11995 b. Calculate qsolution J Calculate AH J C. soln .ll d. Calculate moles of NaNO, mol 3 Find AH for the solution of 1 mole of NaNO, in water. e. J/mol soln sango9.18J9%0(M.S°C-20°C 149.5) - AH = = 104500 -/12.57 197. 3D16%500

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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2.
When 1.0 g of sodium nitrate was dissolved in 50.0 g of water in a calorimeter at 20.0°C, the
temperature of the solution decreased to 14.5°C. Assume the mass of the solution is equal to
the mass of water and that c
= 4.18 J/(g · °C), as per Equation (6).
%3D
p solution
endothermic
have been absorbed by the
a
Is this process endothermic or exothermic?
Leat MUS+
since, there cwas
from the ŠYSPM
Explain:
a.
Syster
in tempen
deerease
-11995
b. Calculate qsolution
J
Calculate AH
J
C.
soln
.ll
d. Calculate moles of NaNO,
mol
3
Find AH for the solution of 1 mole of
NaNO, in water.
e.
J/mol
soln
sango9.18J9%0(M.S°C-20°C
149.5)
- AH = = 104500
-/12.57
197.
3D16%500
Transcribed Image Text:2. When 1.0 g of sodium nitrate was dissolved in 50.0 g of water in a calorimeter at 20.0°C, the temperature of the solution decreased to 14.5°C. Assume the mass of the solution is equal to the mass of water and that c = 4.18 J/(g · °C), as per Equation (6). %3D p solution endothermic have been absorbed by the a Is this process endothermic or exothermic? Leat MUS+ since, there cwas from the ŠYSPM Explain: a. Syster in tempen deerease -11995 b. Calculate qsolution J Calculate AH J C. soln .ll d. Calculate moles of NaNO, mol 3 Find AH for the solution of 1 mole of NaNO, in water. e. J/mol soln sango9.18J9%0(M.S°C-20°C 149.5) - AH = = 104500 -/12.57 197. 3D16%500
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