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Ket [755]
3 years ago
12

Which best describes a compound such as sodium chloride?

Chemistry
2 answers:
denpristay [2]3 years ago
5 0
The answer is a pure substance that can be separated into different elements by chemical means
My name is Ann [436]3 years ago
4 0

Answer:

i think it is the last option a pure substance that can be separated into different elements by chemical means

Explanation:

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Katelyn had a drop in her blood pressure. How do you think her body will react?
Furkat [3]

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She will have symptoms of dizziness and/or lightheadedness

Explanation:

3 0
3 years ago
Proteins contain<br>a. oxygen<br>b. nitrogen <br>c. hydrogen<br>​
seraphim [82]

Answer:

All of the above

Explanation:

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7 0
3 years ago
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If the air temperature is the same as the temperature of your skin (about 30◦C), your body cannot get rid of heat by transferrin
Elenna [48]

Answer:

Explanation:

a )

energy produced per second = 500 J

Heat produced = 500 x .8 = 400 J per second.

If m be the mass of water evaporated per unit hour

m x latent heat = 400 x 60 x 60

= m x 2.42 x 10⁶ = 1.44 x 10⁶

m = .595 kg per hour

b )

volume of water = 595 mL

bottles = 595 / 750

.8 or 4/5 of bottle. per hour.

8 0
3 years ago
The charge on a magnesium ion is +2. When it formed an ionic compound with another element, it lost 2... what?
Naya [18.7K]

Answer:  electrons

Explanation:  Electrons have a charge of -1 each.  If two left, the remaining atom would have a positive +2 change.

6 0
3 years ago
Why is the mass of an iron atom different from the mass of a copper atom?
Jobisdone [24]
They have different number of Neutrons and protons, so their masses are different

Hope this helps!
6 0
4 years ago
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