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Inessa [10]
3 years ago
8

What does a mole represent?

Chemistry
1 answer:
Svetradugi [14.3K]3 years ago
3 0
It would either be A or D.
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The volume of any gas is dependent on what three variables? *
coldgirl [10]

The volume of a gas is dependent on:

1. Pressure

2. Temperature

3. Amount of gas.

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Which of these elements is a transition metal? francium (Fr) beryllium (Be) chromium (Cr) gallium (Ga) bismuth (Bi)
vitfil [10]
I believe the correct answer from the choices listed above is the third option. It would be chromium (Cr) that is a transition metal. The 38 elements in groups 3 through 12 of the periodic table are called "transition metals<span>". Hope this answers the question. Have a nice day.</span>
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Which of the following is the best reason to read directions carefully before beginning any type of lab?
salantis [7]

Answer:

B

Explanation:i think

4 0
3 years ago
Define saturated and unsaturated fats​
mr Goodwill [35]

Answer:

The human body needs both saturated fats and unsaturated fats to remain healthy. Most dietary recommendations suggest that, of the daily intake of fat, a higher proportion should be from unsaturated fats, as they are thought to promote good cholesterol and help prevent cardiovascular disease, whereas an overabundance of saturated fats is thought to promote bad cholesterol.

Explanation:

6 0
3 years ago
Which of the following is a neutralization reaction?A. Na2O(s) + H2O(a) rightarrow 2NaOH(s).B. 4Na(s) + O2(g) rightqrrow 2Na2O(s
Alisiya [41]

Answer:

C. NaOH(s) + HCl(aaq) rightarrow NaCl(s) + H2O(aq)

Explanation:

A neutralization reaction may be defined as the reaction where an acid when it reacts with some base, the products formed are a salt and water.

Simply, we can write,

acid + base --->  salt + water

Here in option (C),

NaOH is sodium hydroxide is an base

HCl is hydrochloric acid

NaCl is sodium chloride and is the common salt

H20 is water

So, option C).  NaOH(s) + HCl(aaq) -----> NaCl(s) + H2O(aq)   is a neutralization reaction.

7 0
4 years ago
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