3 years ago

Question 2 (5 points)

Chemistry

1 answer:

Rzqust [24]3 years ago

4 0

Answer: D

Explanation:

You might be interested in

One of the hydroxybenzoic acids is known by the common name salicylic acid. Its methyl ester, methyl salicylate, occurs in oil o

KIM [24]

Answer:

Please see attachment

Explanation:

Please see attachment

8 0

3 years ago

Hydrogen bromide decomposes when heated to 437C according to the equation: 2HBr(g) H2(g) Br2(g). If the reaction starts with 2.1

iren [92.7K]

Answer:

<h3>the equilibrium constant of the decomposition of hydrogen bromide is 0.084</h3>

Explanation:

Amount of HBr dissociated

$2.15 \ mole \times \frac{36.7}{100} \\\\=0.789 \ mole$

2HBr(g) ⇆ H2(g) + Br2(g)

Initial Changes 2.15 0 0 (mol)

- 0.789 + 0.395 + 0.395 (mol)

At equilibrium 1.361 0.395 0.395 (mole)

Concentration 1.361 / 1 0.395 / 1 0.395 / 1

at equilibrium (mole/L)

$K_c=\frac{[H_2][Br_2]}{[HBr]^2} \\\\=\frac{(0.395)(0.395)}{(1.361)^2} \\\\=\frac{0.156025}{1.852321} \\\\=0.084$

<h3>Therefore, the equilibrium constant of the decomposition of hydrogen bromide is 0.084</h3>

6 0

3 years ago

How many moles of iron in a sample that contains 7.91 x 10^23 atoms of iron?

____ [38]

Answer:

181.93

Explanation:

Now give me money!

8 0

3 years ago

7th grade science help me plzz

qaws [65]

the answer to the first one is D and the second one is the first one

8 0

4 years ago

Which statement best describes a weak acid?

morpeh [17]

C. Weak acids partially ionize

3 0

4 years ago