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Ad libitum [116K]
2 years ago
10

3. Count the number of hydrogen atoms in 2 molecules of vitamin C (2c6H8O6

Chemistry
1 answer:
Alja [10]2 years ago
3 0
There are 16 hydrogen atoms
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During which two processes does a substance release energy?
enyata [817]

Answer:

Freezing and condensation

Explanation:

Because they are exothermic, they release energy

6 0
3 years ago
For the reaction 2 nh3 + ch3oh → products, how much ch3oh is needed to react with 93.5 g of nh3? 1. 1.31 mol 2. 46.8 mol 3. 2.75
DENIUS [597]
3.2.75 mol is the answer.
6 0
3 years ago
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At a certain temperature, the K p Kp for the decomposition of H 2 S H2S is 0.834 . 0.834. H 2 S ( g ) − ⇀ ↽ − H 2 ( g ) + S ( g
stira [4]

Answer:

Total pressure at equilibrium is 0.2798atm.

Explanation:

For the reaction:

H₂S(g) ⇄ H₂(g) + S(g)

Kp is defined as:

Kp = \frac{P_{H_{2}}*P_S}{P_{H_{2}S}} = 0.834

If initial pressure of H₂S is 0.150 atm, equilibrium pressures are:

H₂S(g): 0.150atm - x

H₂(g): x

S(g): x

Replacing in Kp:

\frac{X*X}{0.150atm-X} = 0.834

X² = 0.1251 - 0.834X

X² +  0.834X - 0.1251 = 0

Solving for X:

X = -0.964 → False solution: There is no negative pressures

X = 0.1298

Thus, pressures are:

H₂S(g): 0.150atm - 0.1298atm = <em>0.0202atm</em>

H₂(g): <em>0.1298atm</em>

S(g): <em>0.1298atm</em>

Thus, total pressure in the container at equilibrium is:

0.0202atm + 0.1298atm + 0.1298atm = <em>0.2798atm</em>

5 0
3 years ago
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In the chemical equation shown, what are the products? 4 Al+3 O2-2Al2O3 <br>please help ​
const2013 [10]
The product is 2Al2O3
8 0
3 years ago
PLEASE ANSWER WITH WORK!! BIG POINTS!
Gala2k [10]

Answer: Multiply the volume and pressure and divide the product by the temperature and the molar gas constant to calculate moles of the hydrogen gas. In the example, the amount of hydrogen is 202,650 x 0.025 / 293.15 x 8.314472 = 2.078 moles.

6 0
3 years ago
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