Phase Changes

Question 1

The top of the syringe is a circle. You need to compute its area for use in later computations of pressure values. Start by using a ruler to measure the diameter. Estimate to the nearest 0.01 cm. cm

Revolt · Accepted Answer

3.60

Question 2

In this experiment, you will measure all masses in kilograms. Convert the book’s mass to kilograms. kg

Revolt · Accepted Answer

0.498

Question 3

Measure the volume of the gas in the syringe. Estimate it to the nearest 0.5 mL. mL

Revolt · Accepted Answer

43.5

Question 4

Compute the product of P • V.

Revolt · Accepted Answer

51.3

Question 5

Divide by two to find the radius. Maintain significant figures. cm

Revolt · Accepted Answer

1.80

Question 6

Substitute the radius into the formula to find the area of the top of the syringe. Maintain significant figures. cm²

Revolt · Accepted Answer

10.2

Question 7

Measure the mass to the nearest gram (1 g). g

Revolt · Accepted Answer

498

Question 8

Total the mass on the syringe. Record it in the correct row of the data table. kg

Revolt · Accepted Answer

0.498

Question 9

Calculate the pressure using the formulaP = 1.03 + Mass on Syringe/Area of Top of SyringePressure: kg/cm²

Revolt · Accepted Answer

1.08

Question 10

Total the mass on the syringe. Record it in the correct row of the data table. kg

Revolt · Accepted Answer

1.498

Phase Changes Answers

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