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3 years ago

Consider the reaction below.

Chemistry

2 answers:

skelet666 [1.2K]3 years ago

8 0

D increase in temperature and increase in pressure.

telo118 [61]3 years ago

7 0

Answer : The correct option is, (D) Increase temperature and increase pressure.

Explanation :

Rate of reaction : Rate of reaction is the speed in which the reactants converted into the products.

As we know that the rate of reaction depends on many factors which are concentration of reactants, temperature, pressure, catalyst and the surface area.

As the temperature increases, the rate of reaction is also increases and vice-versa.

As we know that the the temperature is directly proportional to the pressure that means as the temperature increases, the pressure will also increases and the rate of reaction increases and vice-versa.

Hence, the correct option is, (D) Increase temperature and increase pressure.

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An atom has the following electron configuration. 1s22s22p63s23p64s? How many valence electrons does this atom have? A: 2B: 3C:

Katena32 [7]

ANSWER

2 valence electrons

STEP-BY-STEP EXPLANATION:

The electronic configuration is given below as

$1s^22s^22p^62s^23p^64s^2$

Looking at the configuration, you will see that the last energy carries 2 electrons

Hence, the valence electrons are 2

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1 year ago

Desiré was investigating a chemical reaction.When she heated it up, she found that sulfuric acid changed into water. She made th

pochemuha

Answer:

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2 years ago

How many grams of Fe2+ are there in 0.003109 moles of Fe2+?

Sergio [31]

Answer: 0.174 g

Explanation:

First of all understand that charge on an atom like here 2+ will not vary molar mass. because ions are formed by loss or gain of electrons and electrons do not contribute to the mass of an atom or ion. so losing or gaining electron doesnt create any difference.

molar mass of Fe, i.e. mass of 1 mole of Fe is 56 g. So, mass of 1 mole of Fe2+ will also be 56 g.

given is 0.003109 moles of Fe2+,

Use maths,

1 mole of Fe2+ weighs 56 g

So, 0.003109 moles will weigh = (56 g / 1 mol ) x 0.003109 = 0.174 g.

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2 years ago

73.4 km to m then answer in correct number of significant numbers

Fittoniya [83]

Answer:

To determine the number of significant figures in a number use the following 3 rules:

To determine the number of significant figures in a number use the following 3 rules:Non-zero digits are always significant.

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2 years ago

Which picture or pictures show an element?

Westkost [7]

Its both A and C because both A and C have only one type each so it can only be those two :)

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3 years ago

Read 2 more answers