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Chemical calculations and Chemical Changes Check
Authored by Suzanne Alexander
Science
10th Grade
NGSS covered
Used 1+ times
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42 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Calculate the formula mass of NH3
N=14
H=1
(a)
2.
DROPDOWN QUESTION
1 min • 1 pt
Balance the equation
CH4 + (a) O2 --> (b) H2O + CO2
Tags
NGSS.MS-PS1-5
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Calculate the formula mass of Al2O3
Al = 27
O = 16
(a)
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Calculate the formula mass of Ca(OH)2
Ca = 40
O = 16
H = 1
(a)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Avagadro's constant?
6.02x10-23
6.02x1023
2.06x1023
2.06x10-23
0.602x1023
Tags
NGSS.HS-PS1-7
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
How much would 1 mole of H2O weigh in g?
H = 1
O = 16
(a)
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
How much would 0.6 moles of H2O weigh in g?
H = 1
O = 16
(a)
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