Chemistry, 10.03.2020 17:04, reannalovestodpdn8d2
The following reaction is at equilibrium in a sealed container.
N2(g)+3H2(g) <> 2NH3(g) delta Hrxn <0
Which will increase the value of Kc?
A. Adding a catalyst
B. Adding N2
C. Increasing pressure
D. Lowering the temperature
E. NOne of the above
Answers: 3
Chemistry, 21.06.2019 15:30, sairaanwar67
Which substance absorbs 58.16 kj of energy when 3.11 mol vaporizes? a)ch4 b)h2s c)co2 d)nacl
Answers: 2
Chemistry, 21.06.2019 18:00, Falconpride4079
Construct the hypothetical phase diagram for metals a and b between room temperature (20c) and 700c, given the following information: * the melting temperature of metal a is 480c. • the maximum solubility of b in a is 4 wt% b, which occurs at 420c. • the solubility of b in a at room temperature is 0 wt% b. • one eutectic occurs at 420c and 18 wt% b–82 wt% a. • a second eutectic occurs at 475c and 42 wt% b–58 wt% a. • the intermetallic compound ab exists at a composition of 30 wt% b–70 wt% a, and melts congruently at 525c.• the melting temperature of metal b is 600c. • the maximum solubility of a in b is 13 wt% a, which occurs at 475c. • the solubility of a in b at room temperature is 3 wt% a.
Answers: 1
Chemistry, 22.06.2019 05:30, nuclearfire278
Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease. correct answer for apex - a, its nonpolar end dissolves the grease.
Answers: 1
Chemistry, 22.06.2019 14:00, rosetoheart2
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
Answers: 2
The following reaction is at equilibrium in a sealed container.
N2(g)+3H2(g) <> 2NH3(g)...
N2(g)+3H2(g) <> 2NH3(g)...
Computers and Technology, 25.09.2019 22:00
Mathematics, 25.09.2019 22:00
Mathematics, 25.09.2019 22:00
Mathematics, 25.09.2019 22:00
Mathematics, 25.09.2019 22:00