Chemistry 121 (Portage Learning) | Verified Questions & Correct Detailed Answers | Latest A+ Grade | 2025/2026 Edition

Chemistry 121 (portage learning)
questions and answers 2025\2026 A+
Grade
656 mm = ? m
- correct answer 0.656 m



20 q = ? g
- correct answer 5 g



1820 ml = ? l
- correct answer 1.82 l



24 g = ? cg
- correct answer 2400 cg



2.23 kg = ? g
- correct answer 2230 g



6.2 m = ? cm
- correct answer 620 cm



1.25 l = ? ml
- correct answer 1250 ml



126 in = ? ft
- correct answer 10.5 ft

,112*C = ? K



Formula for conversion?
- correct answer - 385 K

- *C + 273 = K



182*F = ? *C

Formula for conversion?
- correct answer - 83.3*C

- (*F - 32) / 1.8 = *C



332K = ? *C

Formula for conversion?
- correct answer - 59 *C

- K - 273 = *C



85*C = ? *F

Forumla for conversion?
- correct answer - 185*F

- (*C x 1.8) + 32 = *F



Mass of 22.3 ml of nitric acid? (d=1.42 g/ml)



Formula for mass?
- correct answer M= 31.666 g

- M=DxV



Volume of sample of chloroform (d=1.45 g/ml) which weighs 500g?



Formula for volume?
- correct answer V= 344.8 ml

, - V=M/D



Density of 300ml ethanol which weighs 249g?



Formula for density?
- correct answer D= 0.83 g

- D=M/V



convert

0.00231 =
- correct answer 2.31x10^-3



convert

1.43x10^3 =
- correct answer 1430



convert

18200 =
- correct answer 1.82x10^4



convert

3.28x10^-4 =
- correct answer 0.000328



convert

4.38x10^6 =
- correct answer 4380000



convert

0.0623 =
- correct answer 6.23x10^-2