Dimensional Analysis and Mole Calculations Quiz

What is the first step in solving a dimensional analysis problem?

• Round off the result

• Identify the conversion factors

• Write down the given quantity

• Calculate the final answer

Which of the following is a correct conversion factor for carbon?

• 1 mole of carbon = 6.02 * 10^23 atoms of carbon

• 1 mole of carbon = 44 grams of carbon

• 1 mole of carbon = 12 liters of carbon

• 1 mole of carbon = 24 grams of carbon

What should you do if you have grams on the top of your dimensional analysis setup?

• Multiply by grams

• Ignore the grams

• Cancel out grams with grams on the bottom

• Add more grams

How do you determine when the problem is solved in dimensional analysis?

• When the units on top match the desired unit

• When the numbers are all multiplied

• When all units are canceled out

• When you have used all conversion factors

Why is it important to consider significant figures in your final answer?

• To make the answer look more precise

• To match the precision of the given data

• To ensure the answer is a whole number

• To simplify the calculation

What is the correct number of significant figures for the number 177?

• Three

• One

• Four

• Two

In the problem of calculating molecules in 11 liters of oxygen, what is the first step?

• Round the final answer

• Calculate the number of molecules

• Write down the given quantity

• Find the number of moles

Which conversion factor is used to convert liters to moles?

• 1 mole = 22.4 liters

• 1 mole = 6.02 * 10^23 molecules

• 1 mole = 12 grams

• 1 mole = 44 liters

What is the final step in solving a dimensional analysis problem?

• Divide all numbers by the largest number

• Multiply all numbers on top and divide by numbers on the bottom

• Add all numbers together

• Subtract the smallest number from the largest

How many significant figures should the final answer have if the given data has two significant figures?

• Four

• Three

• Two

• One