Four statements about reactions of gases are listed. Gas volumes are measured at the same temperature and pressure, and STP means 273 K and 1 atm with molar volume 22.4 L mol⁻¹. Atomic masses: H 1.0, C 12.0, O 16.0, Ca 40.0. One or more statements are correct. Which are correct?

ChemistryAdvancedHigh School (11–12)Chemical Reactions › Chemical Equations Olympiad

Four statements about reactions of gases are listed. Gas volumes are measured at the same temperature and pressure, and STP means $273\ \text{K}$ and $1\ \text{atm}$ with molar volume $22.4\ \text{L mol}^{-1}$ . Atomic masses: H 1.0, C 12.0, O 16.0, Ca 40.0. One or more statements are correct. Which are correct?

One or more options are correct. Tick all the correct ones: a wrong option costs marks, and a part-right answer earns part of the marks.

← All Quizzes

← Four statements about aqueous solutions are given. Take the molar masses to be urea 60.0 g mol⁻¹, glucose 180.0 g mol⁻¹ and water 18.0 g mol⁻¹. One or more of them are correct. Which are correct?Four statements about equivalent masses and titrations are given. Atomic masses: H 1.0, O 16.0, P 31.0, K 39.0, Mn 55.0. The molar mass of KMnO₄ is 158.0 g mol⁻¹. One or more statements are correct. Which are correct? →

More onChemical Reactions › Chemical Equations

Discussion (0)

Loading…

Discussion (0)

Problems on this topic