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sesenic [268]
3 years ago
14

Science thing............ Select the correct answer ♡

Chemistry
1 answer:
Alika [10]3 years ago
3 0

Answer:

d

Explanation:

sugar molecules are being broken down

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How does the number of electrons relate to an element's atomic number? Why?
RSB [31]
The number of protons in the nucleus of the atom is equal to the atomic number. The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom is equal to the sum of the number of protons and neutrons in the nucleus.
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8 0
4 years ago
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#1: 2H2O + 2K (s) 2KOH (l) + 2H2 (g) is an example of which type of reaction?
mihalych1998 [28]
D. Double-displacement
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3 years ago
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ClO3− Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show t
Tresset [83]

Answer:

See explanation

Explanation:

The overall charge on ClO3−  is shown on the image attached to this answer. If we calculate the formal charges on each atom in the structure, we will notice that one oxygen atom has a formal charge of -1 while all other atoms have a formal charge of zero.

This gives the compound an overall charge of -1 as shown in the image attached to this answer. This is the correct Lewis structure for the compound ClO3− .

3 0
3 years ago
Find and fix each mistake in the following equilibrium constant expressions.
IRINA_888 [86]

Answer:

A. c. Keq=[H2]^2[S2]/[H2S]^2

B. b. Keq=[COCl2]/[CO][Cl2]

Explanation:

Hello,

In this case, considering the law of mass action which states that the equilibrium expression is written in terms of the concentration of products divided by the concentration of reactants considering the stoichiometric coefficients as powers we obtain:

A. For the reaction:

2H_2S(g)\rightleftharpoons 2H_2(g)+S_2(g)

The equilibrium expression is:

Keq=\frac{[H_2]^2[S_2]}{[H_2S]^2}

Therefore, answer is c. Keq=[H2]^2[S2]/[H2S]^2.

B. For the reaction:

CO(g)+Cl_2(g)\rightleftharpoons COCl_2(g)

The equilibrium expression is:

Keq=\frac{[COCl_2]}{[CO][Cl_2]}

Therefore, answer is b. Keq=[COCl2]/[CO][Cl2].

Regards.

8 0
3 years ago
What happens in the distillation flask and condenser during distillation.​
LuckyWell [14K]

Answer: The distillation flask being heated in a heating mantle. The vapors condense and drip from the condenser into the flask. As the distillate begins to drop from the condenser, the temperature observed on the thermometer should be changing steadily.

Explanation:

answer above

6 0
3 years ago
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