a student investigated the diffusion of ammonia gas, nh3, and hydrogen chloride gas, hcl
two sets of apparatus were set up as shown at room temperature and pressure.
source of
ammonia gas
damp red
litmus paper
source of
hydrogen chloride gas
damp blue
litmus paper
apparatus 1
apparatus 2
the damp red litmus paper in apparatus 1 changed colour after 30 seconds.
how long does it take for the damp blue litmus paper to change colour in apparatus 2?
a 64 seconds
b 30 seconds
c 21 seconds
d the blue litmus paper would not change colour.
Answers: 2
Chemistry, 22.06.2019 11:00
What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k
Answers: 3
Chemistry, 22.06.2019 19:00
Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?
Answers: 3
Chemistry, 22.06.2019 19:00
What information does a complete ionic equation give that the balanced equation doesn’t show?
Answers: 1
a student investigated the diffusion of ammonia gas, nh3, and hydrogen chloride gas, hcl
two s...
two s...
Mathematics, 21.04.2020 00:43
History, 21.04.2020 00:44
Mathematics, 21.04.2020 00:44
Mathematics, 21.04.2020 00:44
Mathematics, 21.04.2020 00:44