Late Pressure Conversions

LATE: Pressure Conversions

1) Review the Pressure Conversions notes below, take notes as necessary.
2) Then Complete the Pressure Conversions assignment (below)

Pressure Conversion Notes

Dimensional Analysis (Factor-Label) → multiply by unit fractions so units cancel.
If your units cancel correctly, your number is usually correct.

Write the given with units (example: 0.75 atm).
Choose a conversion factor from the standards below.
Flip the factor so the unit you want to cancel is in the denominator.
Multiply straight across (numbers on top ÷ numbers on bottom).
Check units: the canceled unit should appear once on top and once on bottom.
Round reasonably (your quiz accepts close answers).

Standard equivalencies (use these only):
1 atm = 101,325 Pa = 101.325 kPa = 14.7 psi = 760 mm Hg = 760 torr

Shortcut idea: If you get stuck, convert to atm first, then convert from atm to the target unit.

Quick Examples

1) Convert atm → Pa

0.85 atm × (101,325 Pa / 1 atm) = 86,126 Pa

The atm cancels → answer is in Pa. ≈ 8.61 × 10⁴ Pa

2) Convert Pa → kPa

75,000 Pa × (1 atm / 101,325 Pa) × (101.325 kPa / 1 atm) = 75.0 kPa

Notice this is basically “divide by 1000” because 101,325 Pa matches 101.325 kPa. 75.0 kPa

3) Convert mm Hg → atm

640 mm Hg × (1 atm / 760 mm Hg) = 0.842 atm

≈ 0.842 atm

4) Convert psi → torr

18.0 psi × (1 atm / 14.7 psi) × (760 torr / 1 atm) = 931 torr

psi cancels, atm cancels → answer ends in torr. ≈ 9.31 × 10² torr

5) Convert kPa → mm Hg

95.0 kPa × (1 atm / 101.325 kPa) × (760 mm Hg / 1 atm) = 712 mm Hg

≈ 712 mm Hg

Quick checklist before you submit:

Did you include units on every line of work?
Did the unwanted unit cancel (same unit top and bottom)?
Does your answer unit match what the question asked for?
Is your answer size reasonable? (ex: 1 atm is ~101 kPa and 760 mm Hg)

🧪 INSTRUCTIONS:

1) Complete the Pressure Conversions assignment (below)
2) Copy and Solve each question with units in your Science Notebook AND...
3) Screenshot your name + score to the Google Classroom when finish.
4) You must complete steps 2 & 3 above to receive credit

LATE: Pressure Conversions

First name

Student number

Standards you must use

Use these exact equivalencies in your work:
1 atm = 101,325 Pa = 101.325 kPa = 14.7 psi = 760 mm Hg = 760 torr

Directions: Solve all 12 problems in your Science Notebook (or separate paper). Show factor-label work with units canceling for credit. Then complete the quiz and take a screenshot of your final score screen.

Input rule: Enter numbers only (no units). Answers are graded with a small tolerance, so reasonable rounding is okay.

Student: Score (after Q5): --

Question text.

Enter your converted value (numbers only).

Assignment Complete

Student:

Score ID:

Screenshot your final score screen now.

Please re-study your notes and try again to earn a Score ID for credit.

Screenshot Demo Click here for Screenshot