Measurement Hmwk #5

Last updated about 5 years ago
9 questions
1

A sample of aluminum weighs approximately 12 ounces. Aluminum has a density of 2.70g/cm3 . What is the volume of the aluminum sample in millimeters? (1oz. = 28.4g) Show all your work!!! No work = No credit

1

Convert 7.3 x 102kg to grams using dimensional analysis. Show all your work!!! Make sure you are using the conversion we discussed in class.

1

Convert 1.112 km to millimeters to grams using dimensional analysis. Show all your work!!! Make sure you are using the conversion we discussed in class.

1

How many milliliters are in a gallon of water? Solve using the conversion factors in your notes and by using dimensional analysis. No work = No credit

1

What is the density of pure water at room temperature?

1

Using the volume of water you calculated in #4 above and the density of water at room temperature, how much will a gallon of water weigh in grams? Show your work with a calcuation. No work = No credit

1

Using your answer from #6 above, how much will one gallon of water weigh in pounds? Show your work using dimensional analysis. No work = No credit

1

A sample is placed in a 25- mL graduated cylinder containing 10.0 mL of water. The level of water rises to 18.0 mL. The sample has a mass of 171.2 grams. Calculate the density of the substance and using the chart. Show all your work and put a box around both of your answers!!!

1

The diameter of the earth is 7,926.28 miles. Calculate the number of millimeters is the diameter of the Earth using dimensional analysis and write your answer in scientific notation.