بنات ممكن تفهموني الأسئلة التالية

[نسائم الايمان]

A sample of oxygen occupies 47.2 liters under a pressure of 1240 torr at 25oC. What volume would it occupy at 25oC if the pressure were decreased to 730 torr?
(a) 27.8 L
(b) 29.3 L
(c) 32.3 L
(d) 47.8 L
(e) 80.2 L
3.
A sample of nitrogen occupies 5.50 liters under a pressure of 900 torr at 25oC. At what temperature will it occupy 10.0 liters at the same pressure?
(a) 32oC
(b) -109oC
(c) 154oC
(d) 269oC
(e) 370oC
4.
Under conditions of fixed temperature and amount of gas, Boyle's law requires that
I. P1V1 = P2V2
II. PV = constant
III. P1/P2 = V2/V1
(a) I only
(b) II only
(c) III only
(d) I, II, and III
(e) another combination
5.
The volume of a sample of nitrogen is 6.00 liters at 35oC and 740 torr. What volume will it occupy at STP?
(a) 6.59 L
(b) 5.46 L
(c) 6.95 L
(d) 5.67 L (e) 5.18 L
6.






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