subject
Chemistry, 12.03.2021 22:50 larey

PLEASE HELP QUICKLY!! Version A
During a lab experiment, Helvetica created 0.436 g of hydrogen gas by reacting 15.00 g zinc
metal with an unlimited amount of hydrochloric acid:
Zn + 2HCI → ZnCl2 + H2
Mr. Poindexter indicated that in order to receive a passing grade for this lab, students must
produce enough hydrogen gas that falls greater than or equal to a 97 percent yield.
What is the theoretical yield based off the information given?
What was the percent yield that Helvetica achieved?
Did Helvetica receive a passing grade on this lab?
Show all work to receive full credit.

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 10:00
When a septic tank backs up a goes in to clean it out
Answers: 2
question
Chemistry, 22.06.2019 15:50
Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?
Answers: 1
question
Chemistry, 22.06.2019 20:40
Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°
Answers: 1
question
Chemistry, 23.06.2019 03:30
Select the correct lewis structure for fluorine which is group 7a element?
Answers: 1
You know the right answer?
PLEASE HELP QUICKLY!! Version A
During a lab experiment, Helvetica created 0.436 g of hydroge...
Questions
question
Mathematics, 06.03.2021 03:20
question
History, 06.03.2021 03:20
question
History, 06.03.2021 03:20
Questions on the website: 13722363