Need help on Letter A for #4

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter21: The Chemistry Of The Main Group Elements
Section: Chapter Questions
Problem 107GQ: A Boron and hydrogen form an extensive family of compounds, and the diagram below shows how they are...
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Need help on Letter A for #4
b) If 0.489mol of phosphorous burns, what mass o1 Uxygeln is use
4) Aluminum chips are sometimes added to sodium hydroxide-based drain cleaners
because they react to generate hydrogen gas which bubbles and helps loosen
material in the drain. The equation follows
Но а
NaAIO, + H,
Al + NaOH +
a. balance
b. how many moles of H, can be generated from 0.57mol Al and 0.37mol NaOH in
excess water?
5) Al(s) + HCl(aq) a AICI,(aq) + H,(g)
If 4.5 grams of Aluminum are placed in 100mL of 3.0M hydrochloric acid.
a) Who is the limiting reagent?
b) How many mL of Hydrogen are produced assuming STP?
Bonus
Plants convert carbon dioxide to oxygen during photosynthesis according to the
following equation:
со, + но а СHО, +0,
a) If an average human exhales IL of carbon dioxide every 2seconds, how many
grams of water would be needed to react completely with the amount of carbon
dioxide produced in one minute by the average human? ASsume STP
Transcribed Image Text:b) If 0.489mol of phosphorous burns, what mass o1 Uxygeln is use 4) Aluminum chips are sometimes added to sodium hydroxide-based drain cleaners because they react to generate hydrogen gas which bubbles and helps loosen material in the drain. The equation follows Но а NaAIO, + H, Al + NaOH + a. balance b. how many moles of H, can be generated from 0.57mol Al and 0.37mol NaOH in excess water? 5) Al(s) + HCl(aq) a AICI,(aq) + H,(g) If 4.5 grams of Aluminum are placed in 100mL of 3.0M hydrochloric acid. a) Who is the limiting reagent? b) How many mL of Hydrogen are produced assuming STP? Bonus Plants convert carbon dioxide to oxygen during photosynthesis according to the following equation: со, + но а СHО, +0, a) If an average human exhales IL of carbon dioxide every 2seconds, how many grams of water would be needed to react completely with the amount of carbon dioxide produced in one minute by the average human? ASsume STP
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