What is the temperature of the hydrogen gas in K? Use the information you solved for above with the Ideal Gas Law to determine the amount (moles) of hydrogen produced. (This is not your final calculation, so keep one extra sig fig here or you'll round far from the real answer. Remember the leading zero rule.) Use the moles of hydrogen you just calculated and the balanced chemical reaction equation to determine the mass of the magnesium used in the reaction. Make sure your answer has the proper number of sig figs based on the starting data. Show or explain how you determined the number of significant figures the answer should have.

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
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What is the temperature of the hydrogen gas in K?
Use the information you solved for above with the Ideal Gas Law to determine the amount
(moles) of hydrogen produced. (This is not your final calculation, so keep one extra sig fig here
or you'll round far from the real answer. Remember the leading zero rule.)
Use the moles of hydrogen you just calculated and the balanced chemical reaction equation to
determine the mass of the magnesium used in the reaction. Make sure your answer has the
proper number of sig figs based on the starting data. Show or explain how you determined the
number of significant figures the answer should have.
Transcribed Image Text:What is the temperature of the hydrogen gas in K? Use the information you solved for above with the Ideal Gas Law to determine the amount (moles) of hydrogen produced. (This is not your final calculation, so keep one extra sig fig here or you'll round far from the real answer. Remember the leading zero rule.) Use the moles of hydrogen you just calculated and the balanced chemical reaction equation to determine the mass of the magnesium used in the reaction. Make sure your answer has the proper number of sig figs based on the starting data. Show or explain how you determined the number of significant figures the answer should have.
7
8
t
n= (1.01atm x 0-03461) k
(0.092/Lalm/mol .k x 292k)
- 0.00
n=0.0014577mel Hz
in the reaction
Mgcl2 (a9) tH2 9)
mass df Mg use
ng ) + HCl (aa)
Imol of H2
9as produced
Imol af mg
mass of mg O-00/4577 md mg
mg=O:014577x 24.3059/mol
0.03549
=0-0353
Transcribed Image Text:7 8 t n= (1.01atm x 0-03461) k (0.092/Lalm/mol .k x 292k) - 0.00 n=0.0014577mel Hz in the reaction Mgcl2 (a9) tH2 9) mass df Mg use ng ) + HCl (aa) Imol of H2 9as produced Imol af mg mass of mg O-00/4577 md mg mg=O:014577x 24.3059/mol 0.03549 =0-0353
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