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PB Density

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Last updated almost 3 years ago
7 questions
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DENSITY GRADED ASSESSMENT
  • Solve the following problems.
  • Show your work in the "Show your work" field so that I can help you if you got it wrong. Generally, in this class, you don't get credit if you don't show your work. It is fine if it is not perfect--just make sure I can understand what you did. You must label all numbers.
  • Type your answer in the numerical answer field (round to sig figs), then type one space, then type your units. If your answer is a decimal, include the leading zero (the zero before the decimal point). Example: 0.25 g/mL
  • Formative may automatically make the g/mL look like a real fraction; that is fine.
  • To add a superscript/exponent for something like cm3, you may type a carat (^). For example, typing, "g/cm^3" should format this correctly as a unit of density.
  • You will be asked to "sign" the honor code at the end.
Question 1
1.

A synthetic diamond has a density of 3.0 grams per cubic centimeter and a mass of 8.7 grams. What is its volume?

Question 2
2.

Sketch a line on the graph that would represent the density of water. Be sure to label the axes. Your lines do not have to be perfectly straight.

Question 3
3.

Will substance C float or sink in water?

Question 4
4.

Calculate the density of substance H. Show your work for credit.

Question 5
5.

In Chemistry, the term "direct proportion" has a specific meaning. What is it?

Question 6
6.

Which of the following are true about a the equation for a line representing a direct proportion?