Chemistry 51 - Fundamentals of Chemistry » Fall 2021 » Intro to Chemistry Primer Quiz

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Question #1
Calculate the result of the following set of operations: (4×1)+32−(4÷2)=
A.   10
B.   12
C.   15
D.   11
Question #2
Calculate the result of the following set of operations: 4+5)×4−32+(9×2)=  
A.   25
B.   55
C.   45
D.   40
Question #3
Calculate the result of the following set of operations: 3+7(23−6)2= 
A.   28
B.   19
C.   31
D.   39
Question #4
A recipe to make 12 blueberry muffins requires the following ingredients: • 1/2 cup softened butter • 1 1/4 cup sugar • 2 eggs • 1 teaspoon vanilla extract • 2 cups flour • 1/2 teaspoon salt • 2 teaspoons baking powder • 1/2 cup milk • 2 cups blueberries (washed, drained, and picked over) • 3 teaspoons sugar Based on this recipe, if you wanted to make 48 blueberry muffins for the class, how many cups of softened butter will you need?
A.   1/2 cup
B.   2 cups
C.   1 cup
D.   4 cups
Question #5
Calculate the result of the following set of operations: 1/5 × ¾ × 2× 2/9 = 
A.   1/15
B.   1/5
C.   3/5
D.   2/25
Question #6
Based on the following calculation, what would be the units of the final answer? 90miles /1hour × 5280ft /1mile × 1hour/60minutes × 1minute / 60seconds=
A.   miles/second
B.   feet/second
C.   The final answer has no units.
D.   minute/second
Question #7
Calculate the result of the following set of operations: 1440pounds/1inch2 × 1ton/2000pounds × 12inch/1foot × 12inch/1foot= 
A.   1352.11 tons/ft2
B.   22.91 tons/ft2
C.   552.38 tons/ft2
D.   103.68 tons/ft2

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