The test tube used in the determination of the ΔHrxn for nitric acid was still wet with water. [ magnitude of ΔHrxn] a. Increase b. Decrease c. No Effect 2. The actual concentration of the sodium hydroxide used in the calibration part of the experiment was lower than the stated value. [Ccal] a. Increase b. Decrease c. No Effect
The test tube used in the determination of the ΔHrxn for nitric acid was still wet with water. [ magnitude of ΔHrxn] a. Increase b. Decrease c. No Effect 2. The actual concentration of the sodium hydroxide used in the calibration part of the experiment was lower than the stated value. [Ccal] a. Increase b. Decrease c. No Effect
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.83PAE: 9.83 A student performing a calorimetry experiment combined 100.0 mL of 0.50 M HCl and 100.0 mL of...
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Identify the effect of the condition on the indicated parameter.
1. The test tube used in the determination of the ΔHrxn for nitric acid was still wet with water. [ magnitude of ΔHrxn]
a. Increase
b. Decrease
c. No Effect
2. The actual concentration of the sodium hydroxide used in the calibration part of the experiment was lower than the stated value. [Ccal]
a. Increase
b. Decrease
c. No Effect
3. The actual concentration of the sodium hydroxide used in the calibration part of the experiment was lower than the stated value. However, the NaOH solution used in the determination of ΔHrxn was of the correct concentration. [magnitude of ΔHrxn]
a. Increase
b. Decrease
c. No Effect
*Please provide a concise explanation.
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