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Gwar [14]
2 years ago
12

When developing an experimental design, which action would improve the

Chemistry
1 answer:
11111nata11111 [884]2 years ago
4 0

Answer:

A

Explanation:

I'm right I took the test

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Contour plowing, conservation plowing and crop rotation are ways to __________ soil. a. prevent c. lose b. conserve d. none of t
morpeh [17]

Explanation:

prevent becoz crop rotation means using it by planting the crop according to nuetrients so ur soil is prevented

8 0
2 years ago
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Which best represents a compound?
Ghella [55]

Answer:

The one above B

Explanation:

The one above B is most represents a compound because compounds are chemically bonded and are always near each other.

8 0
2 years ago
Guess how many water molecules self-ionize in one liter of water! a) 7 moles b) 1 mole c) 10,000,000 moles d) 0.0000001 moles​
Rudiy27

Answer:

D)

Explanation:

This seems like a weird question

Water is held together by covalent bonds. The amount of energy required to break these bonds so that water would split into it's respective ions is pretty high. The chances that any one of the molecules floating in 1L of water get enough energy to spontaneously burst into it's ions is slim to none.

So, D) seems like the most likely answer

6 0
2 years ago
Which pairing below does not correctly match the scientist with the contribution to the understanding of the atom? A. Proust and
Lyrx [107]
The answer would be C. In fact, letter A already defines the Law of Definite Proportions. On the other hand, J.J. Thomson was responsible for the discovery of electrons through cathode ray tube experiments. The rest of the choices are true.
5 0
3 years ago
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A 400 ml sample of gas is heated from -20 c to 60
Viktor [21]
Using p1v1/t1=p2v2/t2
p1=50
p2=225
v1=400ml
v2=?
t1=-20=253k
t2=60=333k
50x400/253=225xv2/333
7.9=0.7xv2
v2=7.9/0.7
v2=11.3ml
6 0
3 years ago
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