Essay about Gas Law Multiple Choice Questions

1. Upon analysis, a compound with molar mass 60 g mol–1 was found to contain doze g of carbon, 2 g of hydrogen, and 16 g of air. What is the molecular formula of the mixture? A. CH2O

B. CH4O

C. C2H4O

D. C2H4O2

2 . Precisely what is the total range of atoms in 0. twenty mol of propanone, CH3COCH3? a. 1 . 2×1022

m. 6. 0×102

C. 1 ) 2×1024

Deb. 6. 0×1024

Assuming full reaction, what volume of 0. 200 mol dm–3 potassium hydroxide solution (KOH(aq)), is needed to neutralize 25. 0 cm3 of 0. 200 mol dm–3 aqueous sulfuric acidity, (H2SO4(aq))? A. 12. your five cm3

M. 25. zero cm3

C. 50. zero cm3

M. 75. zero cm3

four. The heat in Kelvin of 1. zero dm3 of an ideal gas is doubled and its pressure is tripled. What is the final volume of the gas in dm3?

A.

W.

C.

D.

5. What volume of 0. 500 mol dm–3 sulfuric acid answer is required to respond completely with 10. zero g of calcium carbonate according to the equation below? CaCO3(s) + H2SO4(aq)  CaSO4(aq) + H2O(l) + CO2(g)

A. 95 cm3

B. 200 cm3

C. three hundred cm3

G. 400 cm3

6. What volume, in cm3, of 0. two hundred mol dm–3 HCl(aq) is needed to neutralize 25. 0 cm3 of 0. 200 mol dm–3 Ba(OH)2(aq)? A. 12. 5

W. 25. zero

C. 50. 0

M. 75. zero

7. A 4 g sample of sodium hydroxide, NaOH, can be dissolved in water and made up to five-hundred cm3 of aqueous option. What is the concentration of the resulting answer? A. 0. 1 mol dm–3

W. 0. a couple of mol dm–3

C. zero. 5 mol dm–3

D. 1 . 0 mol dm–3

8. A hydrocarbon contains 90% simply by mass of carbon. What is its empirical formula? A. CH2

N. C3H4

C. C7H10

M. C9H10

9. What amount of NaCl (in moles) is required to make 250 cm3 of a 0. 200 mol dm–3 option? A. 40. 0

W. 1 . 25

C. 0. 800

Deb. 0. 0500

10. Supposing complete reaction, what volume of 0. two hundred mol dm–3 HCl(aq) is necessary to neutralize twenty-five. 0 cm3 of zero. 200 mol dm–3 Ba(OH)2(aq)? A. 12. 5 cm3

B. twenty-five. 0 cm3

C. 55. 0 cm3

D. seventy five. 0 cm3

11. What volume of zero. 500 mol dm–3 HCl(aq) is required to react completely with 10. 0 g of calcium carbonate according to the formula below? CaCO3(s) + 2HCl(aq)...



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