2 years ago

Plz help me : Copper (I) chloride CuCl is made up of:

Chemistry

1 answer:

TEA [102]2 years ago

8 0

C. Metal and Nonmetal

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jeka94

16. A
17. B
18. B
19. B
20. A
21. B
22. A
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24. C
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2 years ago

HELP ASAP ITS TIMED!!!

Tpy6a [65]

Answer:

C would be the right answer

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2 years ago

Read 2 more answers

2) Show the calculation of Kc for the following reaction if an initial reaction mixture of 0.800 mole of CO and 2.40 mole of H2

nadezda [96]

Answer:

Kc = 3.90

Explanation:

CO reacts with $H_2$ to form $CH_4$ and $H_2O$ . balanced reaction is:

$CO(g) + 3H_2 (g) \leftrightharpoons CH_4(g) + H_2O(g)$

No. of moles of CO = 0.800 mol

No. of moles of $H_2$ = 2.40 mol

Volume = 8.00 L

Concentration = $\frac{Moles}{Volume\ in\ L}$

Concentration of CO = $\frac{0.800}{8.00} = 0.100\ mol/L$

Concentration of $H_2$ = $\frac{2.40}{8.00} = 0.300\ mol/L$

$CO(g) + 3H_2 (g) \leftrightharpoons CH_4(g) + H_2O(g)$

Initial 0.100 0.300 0 0

equi. 0.100 -x 0.300 - 3x x x

It is given that,

at equilibrium $H_2O (x)$ = 0.309/8.00 = 0.0386 M

So, at equilibrium CO = 0.100 - 0.0386 = 0.0614 M

At equilibrium $H_2$ = 0.300 - 0.0386 × 3 = 0.184 M

At equilibrium $CH_4$ = 0.0386 M

$Kc=\frac{[H_2O][CH_4]}{[CO][H_2]^3}$

$Kc=\frac{0.0386 \times 0.0386}{(0.184)^3 \times 0.0614} =3.90$

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3 years ago

The __________ system is made up of the nose, pharynx, trachea, lungs, bronchi, and alveoli. *

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Respiratory system is made of that

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2 years ago

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Which layer contains almost 90% of the atmosphere's total mass?

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The answer is the troposphere

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