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telo118 [61]
3 years ago
6

1. Which law is associated with inertia?

Chemistry
1 answer:
enot [183]3 years ago
8 0

1. Which law is associated with inertia?

2. If you increase the force in an object what happens to the acceleration?

3. If you use the same force on a less massive object what happens to the acceleration?

4. Which law states force is dependent on the mass and acceleration of an object?

5. What causes an object to slowdown or speed-up?

                  HOPE IT HELPS YOU

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Are you referring to DNA? 
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What is the oxidation number of Ni in NiO
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Answer:

+2

Explanation:

Nickel (II) oxide, or NiO, is an ionic compound. Recalling a few rules of determining the oxidation number of substances:

1. Oxidation numbers of elements in ionic compounds are usually their own ionic charge

2. The total oxidation number of a neutral compound should be 0

And,

3. The oxidation number of oxygen in most cases is -2.

Therefore, since O in NiO has a oxidation number of -2, and nickel (II) ion usually has a charge of 2+, the oxidation number of Ni in NiO is +2 (always remember to put the positive sign in front of the number)

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5 0
2 years ago
Compound A (C9H12) shows prominent peaks in its mass spectrum at m/z 120 and 91. Compound B (also C9H12) shows prominent peaks a
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Answer:

Compound A: Propylbenzene

Compound B: Cumene

Explanation:

On this case, we have two clues:

<u>1) The mass spectrometry info</u>

<u>2) The formation of benzoic acid</u>

If we have the formation of benzoic acid with a strong oxidant (H_2CrO_4). It means that we have an <u>alky group bonded to benzene</u>. Therefore we have to <u>add three carbons to a benzene</u> ring in order to obtain the mass of the compound (120).

The next question is <u>how these three additional carbons are bonded</u> to the benzene. For this, we have to check the mass info. For compound A we have a <u>fragmentation moeity on 91</u> therefore we have a <u>loss of an ethyl group</u>. Therefore compound A have a <u>linear structure</u> for the aditional three carbons.

For compound B we have a <u>fragmentation moeity on 105</u> this means a loss of 15 units of mass therefore we <u>loss a methyl grou</u>p. This indicates that we have a <u>non linear structure</u> fo the three additional carbons.

See figures 1 and 2.

I hope it helps!

7 0
4 years ago
Mesohippus is the smallest skeleton: skull has a low sloped forehead, legs have three toes. Merychippus is the next largest skel
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Answer:

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2) Equus

Explanation:

just did it on e2020

5 0
3 years ago
Read 2 more answers
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