Chemistry for Engineering

Instruction: Please show your solution and write the number and the correct answer in your yellow paper. Answer immediately. Do not copy anymore

Question 1

A blue whale is approximately 25 meters long. How many centimeters long is the whale?

1. 2500 cm

2. 250 cm.

25 cm

Question 2

A giraffe is about 5.5 meters tall. How many centimeters tall is the giraffe?

550 cm 2. 55 cm

3. 55cm

Question 3

How many minutes are in 2.5 hours?

1. 150 minutes 100 minutes

120 minutes

Question 4

How many minutes are in 3.75 seconds?

1. 0.0625 minutes

2. 0.075 minutes

3. 0.125 minutes

Question 5

A swimming pool is filled with 850 liters of water. How many gallons of water is that?

Unit plan

TL-0.2642 gallons

1 gallon – 3.785 L

Question 6

A tank holds 375 liters of liquid. How many gallons is that?

Unit plan

1L-0.2642 galions 1

gallon 3.785 L

99.45 gallons 139.22 galions

19.22 gatione 56.78 gallon

Question 7

If you run at a speed of 10 miles per hour, how long will it take for you to cover a distance of 50 miles?

Calculate the time:

Time Distance/Speed

Time 50 miles/10 miles per hour 5 hours

5 hours 2. 5.00 hours

500 hours

Question

A cake recipe calls for 150 g of flour, but you only have a scale that measures in ounces. The recipe states that the flour makes up 30% of the total cake batter by weight. How many ounces of flour should you use?

5.29 oz

2. 4.41 oz

3.53 oz. 224 675 gallons 317.99 galions

198.4 gallons