Chapter 2 Practice

What is the SI Unit for Temperature?

• Celsius scale

• Fahrenheit scale

• Kelvin scale

Type of property of matter defined by the amount of mass per volume .

• density

• mass

• volume

• energy

if you have 23.5 mL of isopropyl alcohol how many cubic centimeters do you have?

• 235 cc

• 23.5 cc

• 2.35 cc

• 0.235 cc

The prefix kilo means?

• the same

• 1000 x larger than the unit it proceeds

• 100 x larger than the unit it proceeds

• 1000 x smaller than the unit it proceeds.

estimate the height of the liquid to the correct number of significant figures on the graduated cylinder.

• 64.0 mL

• 64 mL

• 65.1 mL

• 65.10 mL

How would you write this number in scientific notation?

435 000 000

• 435 x 10^6

• 4.35 x 10^8

• 4.35 x 10^-8

• 435 x 10^-6

0.000 000 302

• 3.02 x 10 ^7

• 3.02 x 10^-7

• 3 x 10 ^-7

• 3.0 x 10^7

Tags

NGSS.MS-PS4-1

What is the density of sample 1?

• 4.93 g/mL

• 1.00 g/mL

• 0.833 g/mL

• 0.78 g/ mL

Round 84 752 to 4 significant figures

• 8475

• 84700

• 84 750

• 84 000

A student reported the age of the ice layer at 70 m as 425 years. The accepted value is 427 years. What is the percent error of the student's value?

• 0.468 %

• 0.471 %

• 49.9 %

• 1.00%