Question

1. a graduated cylinder is placed on an electronic balance, and the scale reads 78.32 grams. 10.0 ml of glycerine added, and the scale reads 91.78 grams. what is the density of glycerine?
2. a 3.00 cm x 4.52 cm x 6.71 cm brick has a mass of 985 grams. what is the brick’s density?
3. what is the mass of a 17.4 ml piece of styrofoam? what is the mass of the same size piece of gold?
4. determine the mass of a block of aluminum with the following dimensions: 15.92 cm x 2.98 cm x 10.20 cm
5. what volume would 23.82 grams of mercury occupy?
6. how large would a balloon filled with 25.00 grams of air be? how about a balloon filled with 25.00 grams of helium?
7. a cylinder contains water to a level of 15.5 ml. 20.0 grams of copper is dropped in. what will be the new level of the water?

answers iro: 21.2 l 0.089 g/l 1.35 g/ml 336 g 2.66 g/ml 10.8 g/ml 3.62 g/ml 153 l 2.52 g 17.7 ml

Explanation:

Step1: Find mass of glycerine

Mass = 91.78 - 78.32 = 13.46 g

Step2: Calculate density

Density = $\frac{13.46}{10.0}$ = 1.346 g/mL

Answer:

1.346 g/mL