1. Chemistry Calculations

2. 1 L 5.943 kg 5, 680 mL Convert 1000ml to L Convert 5943g to kg.
Convert 5.68L to mL
1 L
5.943 kg
5, 680 mL

3. Convert kg to g.
How many significant digits does have?
How many significant digits does have?
2, g 5 5

4. 4 4 4 How many significant digits does 0.3937 have?

5. 6 2 7 How many significant digits does 50.3700 have?

6. Write the number 58,000 in scientific notation.
5.8 x 10^4
5.8 x 10 ^-4
x 10^4

7. 5, 000, 000 0.00048 468.3 Write 5.0 x 10 ^ 6 in a standard number.

8. Report to the correct number of significant digits. 3. 50mL + 0
Report to the correct number of significant digits mL L mL
Report to the correct number of significant digits. 5.4g -1.3 g
4.0mL
Report to the correct number of significant digits. 3.4cm x 3.61 cm x 2 cm
199.1 mL
1.0 g/mL
20 cm³

9. Report to the correct number of significant digits.
– x 4.03 =
367g kg =
44C x 34.5g
2.3 g
-9.77
3770. g
7.0 x 10²

10. If your beaker + oil + kernels before the lab was 107
If your beaker + oil + kernels before the lab was and the beaker + oil + kernels after the popping was 106.7, what is the mass of the water in the kernels?
If the mass of the kernels from above was 2.7 before the lab what is the mass after the lab?
What is the % of water in the popcorn using the data above?
1.2 g
1.5 g
44%

11. Precise, not accurate tenths hundredths
The following measurements were taken 4.5 g, 4.6g, 4.6g. Actual = 5.5 g. Are these values precise, accurate, neither, or both?
If the lines on a graduated cylinder increase by one, what place value can you measure to?
If a graduated cylinder increases by 0.2 what place value can you measure to?
Precise, not accurate
tenths
hundredths

12. No, the measurement must go to the hundredths, or two decimal places.
If the measurement from a ruler was 3.50cm, what were the increments on the ruler?
If the mass from a triple beam balance was recorded as 150 g is this correct?
What is the correct formula for percentage error?
0.1 cm (or 1 mm)
No, the measurement must go to the hundredths, or two decimal places.
E-A x 100 A