Chemistry
Chemistry, 03.04.2020 23:39, naomijamieson88

Hydrogen gas generated by the reaction of zinc and hydrochloric acid is collected via water displacement in an inverted graduated cylinder. THe pressure of the gas collected at 23oC is 99.750 kPa. If the reading from the gas collection cylinder is 0.750 L, how many moles of dry hydrogen were collected? The water vapor pressure at 23oC is 2.809 kPa.

answer
Answers: 1

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 00:10, scottbrandon653
Think about how you can use le chatelier’s principle to find possible solutions to the design problem. describe at least two ways to increase the yield (amount) of ammonia based on this principle.
Answers: 2
image
Chemistry, 22.06.2019 14:30, crysmrod
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
Answers: 3
image
Chemistry, 22.06.2019 18:00, kingamir
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
image
Chemistry, 23.06.2019 05:30, elstone01
For the reaction i2(g)+br2(g)←−→2ibr(g), kc=280 at 150 ∘c. suppose that 0.450 mol ibr in a 2.00-l flask is allowed to reach equilibrium at 150 ∘c. what is the equilibrium concentration of 2ibr, i2, br2
Answers: 1
Do you know the correct answer?
Hydrogen gas generated by the reaction of zinc and hydrochloric acid is collected via water displace...

Questions in other subjects:

Konu
Mathematics, 27.10.2020 19:30
Konu
Mathematics, 27.10.2020 19:30