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lianna [129]
3 years ago
7

1. Which of the following combinations correctly represents the process of

Chemistry
2 answers:
Nitella [24]3 years ago
6 0

Answer:

A

Explanation:

sesenic [268]3 years ago
3 0

Answer:

I think It should be option A. It would have been B but, solar energy is not giving out, it's taken in

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Which is a plausible explanation of why some plants, such as the Japanese red maple, are not green in color?
nika2105 [10]
I would have to say c if I am wrong sorry:)
4 0
3 years ago
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Calculate the concentration of hi when the equilibrium constant is 1x10^5
exis [7]
Answer is: concentration of hydrogen iodide is 6 M.

Balanced chemical reaction: H₂(g) + I₂(g) ⇄ 2HI(g).
[H₂] = 0.04 M; equilibrium concentration of hydrogen.
[I₂] = 0.009 M; equilibrium concentration of iodine.
Keq = 1·10⁵.
Keq = [HI]² / [H₂]·[I₂].
[HI]² = [H₂]·[I₂]·Keq.
[HI]² = 0.04 M · 0.009 M · 1·10⁵.
[HI]² = 36 M².
[HI] = √36 M².
[HI] = 6 M.
5 0
3 years ago
During an ionic bond, electrons are basically transferred from one atom to another whereas in a covalent bond, electron pairs ar
Ad libitum [116K]
The answer is true......

8 0
3 years ago
What is the mass of 16.6 x 10^23 molecules of barium nitrate
kakasveta [241]
It is fact that
6.023
×
10
23
formula units of barium nitrate have a mass of
16.6*10^23
⋅
g
. This is what we specify when we say molar mass. And thus the mass of
5.30
×
10
22
formula units of barium nitrate is the quotient multiplied by the molar mass:
5.30
×
10
22
6.023
×
10
23
m
o
l
×
16.6*10^23
⋅
g
⋅
m
o
l
−
1
3 0
3 years ago
Read 2 more answers
The production of ammonia (NH3) under standard conditions at 25°C is represented by the following thermochemical equation. N2(g)
asambeis [7]

Answer:

44,901 kilo Joule heat is released when 1.663\times 10^4 g grams of ammonia is produced.

Explanation:

Moles of ammonia  gas produced :

\frac{1.663\times 10^4 g}{17 g/mol}=978.235 mol

According to reaction, when 2 moles of ammonia are produced 9.18 kilo joules of energy is also released.

So, When 978.235 moles of ammonia gas is produced the energy released will be:

\frac{-91.8 kJ}{2}\times 978.235 mol=-44,900.98 kJ\approx -44,901 kJ

(negative sign indicates that energy is released as heat)

44,901 kilo Joule heat is released when 1.663\times 10^4 g grams of ammonia is produced.

7 0
3 years ago
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