Chem 2.1 Base Quantities and their units

Question 0

Quantitative

Answer 0

The building is 31.5 m tall

Question 1

Qualitative

Answer 1

The building is really tall

Question 2

SI Unit for distance

Answer 2

Meter

Question 3

SI Unit for mass

Answer 3

Kilogram

Question 4

SI Unit for time

Answer 4

Seconds

Question 5

SI Unit for temperature

Answer 5

Kelvin

Question 6

SI Unit for amount

Answer 6

Mole

Question 7

How do you convert from Celsius to Kelvin

Answer 7

K=°C+273

Question 8

How do you convert from Kelvin to Celsius

Answer 8

°C=K-273

Question 9

What’s the coldest achievable temperature

Answer 9

-273°C, 0K

Question 10

How do you find density

Answer 10

Mass/volume

Question 11

How do you find speed

Answer 11

Distance/time

Question 12

How do you find pressure

Answer 12

Force/area

Question 13

Kilo

Answer 13

Thousand

Question 14

Centi

Answer 14

Hundredth

Question 15

Milli

Answer 15

Thousandth

Question 16

Micro

Answer 16

Millionth

Question 17

Nano

Answer 17

Billionth

Question 18

How do you write a measurement

Answer 18

You need all certain digits and the last (estimated) uncertain digit

Question 19

An estimated digit is _______________________

Answer 19

1/10 of the smallest mark

Question 20

Significant figures

Answer 20

The number of all certain digits and the last estimated digit