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Final Exam Review 1- 3rd Quarter

Authored by Alison Walker

Science

9th - 12th Grade

NGSS covered

Used 1+ times

Final Exam Review 1- 3rd Quarter
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52 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

For the Balanced Reaction: 3 Mg + 1 Fe2O3 → 3 MgO + 2 Fe; What is the Ratio of moles of Mg to moles Fe?

3mol Mg / 2 mol Fe
2 mol Mg/ 3 mol Fe
1 mol Fe/ 2 mol Fe
3 mol MgO / 2 mol Fe

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How many particles are in a mole?

602
602 million
602 moles
6.02 x 1023

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Using the balanced equation in question 1,
Mg(s)   +   HCl(aq)  -->   MgCl₂(aq)   +   H₂(g)
How many grams of HCl are consumed by the reaction of 2.50 moles of magnesium?

5.00 g
7.29
182 g
218 g

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Fe2O3 + 3H2 → 2Fe + 3H2O
About how many grams of H2O will be produced from 150 grams of Fe2O3

50 grams H2O
60 grams H2O
5000 grams H2O
6000 grams H2O

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

N2 +  3H2 −->  2NH3 
How many moles of hydrogen are needed to react with 2 moles of nitrogen?

6
2
3
1

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

N2 +  3H2 −->  2NH3 
How many moles of hydrogen are needed to react with 2 moles of nitrogen?

6
2
3
1

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Where are the numbers for a mole ratio found?

They are part of the chemical formulas for the reactants / products.

They are given in the problem.

They are found on the periodic table for those elements.

They are found as coefficients in the reaction's balanced chemical equation.

Tags

NGSS.HS-PS1-7

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