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Deffense [45]
2 years ago
10

Choose the options below that are true.

Chemistry
1 answer:
Assoli18 [71]2 years ago
5 0

Answer:

The options <u>(A) -</u>The rate law for a given reaction can be determined from a knowledge of the rate-determining step in that reaction's mechanism.  and <u>(C) </u>-The rate laws of bimolecular elementary reactions are second order overall ,<u>is true.</u>

Explanation:

(A) -The rate law can only be calculated from the reaction's slowest or rate-determining phase, according to the first sentence.

(B) -The second statement is not entirely right, since we cannot evaluate an accurate rate law by simply looking at the net equation. It must be decided by experimentation.

(C) -Since there are two reactants, the third statement is correct: most bimolecular reactions are second order overall.

(D)-The fourth argument is incorrect. We must track the rates of and elementary phase that is following the reaction in order to determine the rate.

<u>Therefore , the first and third statement is true.</u>

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Answer:

Acetone | CH3COCH3 - PubChem

Explanation:

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Determine the ions of ammonium, in 870.4x10-23 grams of (NH4)3PO4. Round the results to the tenths.
babunello [35]

Answer: if your trying to say what 4x10-23 is the answer is 17

and if ur also trying to say whats 870.4x10-23 the answer is 8681 have a nice day!

Explanation:

also and what is (NH4)3PO4 if its a file code or link your not allowed to post that

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How can a solution become saturated?
vladimir2022 [97]

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7 0
2 years ago
Read 2 more answers
What is the empirical formula of a vanadium (i) oxide given that 20.38 grams of vanadium combines with oxygen to form 23.58 gram
oksano4ka [1.4K]

V₂O is the empirical formula of a vanadium (i) oxide given that 20.38 grams of vanadium combines with oxygen to form 23.58 grams of the oxide.

The simplest whole number ratio of the atoms of the elements in a specific compound is shown by the empirical formula for that compound. When the mass of each component of a compound or its % composition by mass is known, an empirical formula may typically be computed.

% composition is equal to (mass of an element minus mass of the compound) / 100%.

Given

Vanadium weighs 20.38 g.

The oxide's mass is 23.58 g.

% Vanadium composition: (20.38 g/23.58 g) 100%

= 86.43%

Oxygen mass equals 23.58 g minus 20.38 g

= 3.2 g

100% of oxygen's composition is (3.2/g/23.58 g)

= 13.57%

Atomic mass and number are related by composition percentage.

Vanadium's atomic weight is 50.94 g/mol.

Atomic weight of V = 86.43 / 50.94

= 1.6967

Oxygen has an atomic mass of 16 g/mol.

O atom count is 13.57/16.

= 0.8481

Now on calculation the ratio of Vanadium to the oxygen is

1.6967/0.8481 = 2/1

Ratio of whole numbers is 2:1

Thus V₂O is the empirical formula .

Learn more about empirical formula here brainly.com/question/13058832

#SPJ4

6 0
1 year ago
Which statements are examples of how the use of resources has changed?
Oksanka [162]

Answer:

B, A, C

Explanation:

the awnsers that are displayed are the only options that are new, and clean resorsces, we have always used oil in cars but hybrids are a new consept, same as wind power

Good LUCK!!

3 0
2 years ago
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