SI BASE UNIT
What is the SI base unit of length?
Meter (m)
What is the formula for density?
ρ = m/V
How many meters are in 1 kilometer?
1000 m
An unknown material has a mass of 1250 g and a volume of 500 cm³. Determine its density.
Formula:
ρ=m/V
Solution:
ρ=1250 g / 500cm3
Answer: 2.50 g/cm³
How many significant figures are in 1.500 × 10³?
4 significant figures
What is the SI base unit of temperature?
Kelvin (K)
What is the formula for mass?
m=ρxV
CONVERT 500 mL to L
500 ÷ 1,000 = 0.5 L
A substance has a mass of 240 g and a density of 3.0 g/cm³. Find its volume.
Given:
Formula:
V=m/ρ
Solution:
V=240 g ÷ 3.0g/cm3
Answer: 80 cm³
How many significant figures are in 1.0080
5 significant figures
What is the SI base unit of amount of substance?
Mole (mol)
What is the formula for volume?
V=m/ρ
Convert 300 K to °C.
26.85°C
A substance has a mass of 50 g and a density of 2.5 g/mL. Find its volume.
V=m/ρ
Solution:
50 g/ 2.5 g/mL
Answer: 20 mL
How many significant figures are in 100.500?
6
What is the SI base unit of mass?
Kilogram (kg)
What is the SI unit of density?
kg/m³
Convert 37°C to Kelvin.
310.15 K
or approximately 310 K
A material has a density of 2.7 g/mL and a volume of 10 mL. Find its mass.
Given:
Formula: m=ρV
Solution:
m=(2.7 g/mL)(10 mL)
m=27 g
Answer: 27 g
Write 100.500 to 4 significant figures.
100.5
Name the five SI base units in Chemistry
meter
kilogram
second
Kelvin
mole
What is the conversion formula for
Kelvin to Celcius?
°C= K-273.15
Convert 50,000 m to km
50,000 m÷1,000=50 km
A metal block has a mass of 540 g and a volume of 200 cm³. What is its density?
Given:
Formula:
ρ=m/V
Solution:
ρ=540 g / 200 cm3
ρ=2.70 g/cm3
Write 25.678 to 4 significant figures
25.68