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anygoal [31]
3 years ago
15

Which statement best applies collision theory to preventing a dangerous reaction from occurring?

Chemistry
2 answers:
dusya [7]3 years ago
7 0

Answer:

Particles need to collide in order to react

Explanation:

If they don't collide, they cant react.

puteri [66]3 years ago
4 0
There is no answer choices i need answer choices you said which i cant say which one it is if i dont have answer choices
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A group of dissimilar elements with a net charge remaining is called a _____. formulacompoundpolyatomicion reaction
Annette [7]

Answer:

A group of dissimilar elements with a net charge remaining is called a polyatomic ion.

Explanation:

5 0
3 years ago
A sample of hydrated copper (II) sulfate (CuSO4•nH2O) is heated to 150°C and produces 103.74 g anhydrous copper (II) sulfate and
wariber [46]

Answer:

5

Explanation:

Firstly, we convert what we have to percentage compositions.

There are two parts in the molecule, the sulphate part and the water part.

The percentage compositions is as follows:

Sulphate- (103.74)/(103.74 + 58.55) × 100% = apprx 64%

The water part = 100 - 64 = 36%

Now, we divide the percentages by the molar masses.

For the CuSO4 molar mass is 64 + 32 + 4(16) = 160g/mol

For the H2O = 2(1) + 16 = 18g/mol

Now we divide the percentages by these masses

Sulphate = 64/160 = 0.4

Water = 36/18 = 2

The ratio is thus 0.4:2 = 1:5

Hence, there are 5 water molecules.

3 0
3 years ago
What two properties affect the<br> density of ocean water?
mihalych1998 [28]

Answer: temperature and salinity.

Explanation:

5 0
2 years ago
Calculate the mass of 3.5 mol C6H6
Lilit [14]
(3.5mol)(24.106 g/1mol c6h6) =84.371 g C6H6
4 0
3 years ago
Do protons determine isotopes
Bezzdna [24]

Answer:

No

Explanation:

Protons determine the type of element it is which the number of protons.

Isotopes are determined by the same elements with the same amount of protons, but different number of neutrons.

5 0
3 years ago
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