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goldenfox [79]
2 years ago
15

Describe the three states of matter

Chemistry
2 answers:
allochka39001 [22]2 years ago
7 0
Solid, liquid and gas.
tino4ka555 [31]2 years ago
4 0
Solid liquid gases are the 3 main states of matter
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Identify which reaction is NOT a chemical reaction.<br> es )
vova2212 [387]

Answer:

You never listed the options

Explanation:

A chemical reaction is a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.

4 0
3 years ago
Am I weird or is no one seeing my qn<br>free point by the way
Julli [10]

Answer:

 maybe they don't want to answer it  only if you give them a lot of points and brainliest they will answer it i think

Explanation:

5 0
1 year ago
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A scientist finds that one volume of an unknown gas X combines with two volumes of another gas Y to form two volumes of a new ga
MariettaO [177]

Answer:

Gas X

Explanation:

The given reaction can be written in the form of chemical equation as shown below as:

X+2Y\rightarrow 2XY_2

According to law of conservation of mass, the moles of each substance in the reaction must be equal on both reactant and product side.

Also, the question asks for the gas which is diatomic. XY_2 cannot be diatomic as the formula contains 3 atoms.

Between gas X and gas Y , <u>X has to be diatomic for the reaction to balance </u>as:

X_2+2Y\rightarrow 2XY_2

3 0
3 years ago
Can I please Get Help with this question ‍♂️ ?
Nitella [24]

Answer:

Mg(NO4)2 is 180.3 g/mol

Explanation:

First find the substance formula.

Magnesium Nitrate.

Magnesium is a +2 charge.

Nitrate is a -1 charge.

So to balance the chemical formula,

We need 1 magnesium atom for every nitrate atom.

2(1) + 1(-2) = 0

So the substance formula is Mg(NO4)2.

Now find the molar mass of Mg(NO4)2.

Mg = 24.3 amu

N = 14.0 amu

O = 16.0 amu

They are three nitrogen and twelve oxygen atoms.

So you do this: 24.3 + 14.0(2) + 16.0(8) = 180.3 g/mol

So the molar is mass is 180.3 g/mol.

The final answer is Mg(NO4)2 is 180.3 g/mol

Hope it helped!

7 0
3 years ago
What is the mass of H2O
Dovator [93]

Answer:

The exact molecular mass is 18.01528 g/mol

Explanation:

Find this by adding the molecular masses of two hydrogen atoms and one oxygen atom.

8 0
2 years ago
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