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laiz [17]
3 years ago
9

Write a balanced combustion reaction for C2H2 (acetylene). How did you know which products should be formed? Explain your reason

ing.
Chemistry
1 answer:
lesya [120]3 years ago
8 0
Most of the organic compunds burn to give CO2 and H2O

2C2H2 + 5O2 =  4CO2+ 2H2O

:)
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A____ will not take the shape of its container
liubo4ka [24]

Answer:

A solid  will not take the shape of its container

Explanation:

5 0
2 years ago
Why are plastic containers preferred to glass containers for storing chemicals in the laboratory?
Nookie1986 [14]
Plastics are non-corrosive and non-reactive in nature. So they are used for storing chemicals in the laboratory. They are used for strong chemicals because they do not react with chemicals neither do they corrode
7 0
3 years ago
A chemist determined by measurements that 0.050 moles of aluminum participated in a chemical reaction. Calculate the mass of alu
Law Incorporation [45]

Answer:

13.5 g

Explanation:

This question is solved easily if we remember that the number of moles is obtained by dividing the mass into the atomic weight or molar mass depending if we are referring to elements or molecules.

Therefore, the mass of aluminum in the reaction will the 0.050 mol Al times the atomic weight of aluminum.

number of moles = n = mass of Al / Atomic Weight Al

⇒ mass Al = n x Atomic Weight Al = 0.050 mol x 27 g mol⁻¹

                                                         = 13.5 g

We have three significant figures in 0.050 and therefore we should have three significant figures in our answer.

           

8 0
3 years ago
Manganese, Mn, forms two ions, one with a 2+ charge and one with a 3+ charge. What is the formula for manganese (II) sulfide?
maria [59]
It would be MnSO4

The (II) lets you know it’s the form with a 2+ charge and Sulfate has a 2- charge

These will cancel out making it plain MnSO4

If it was manganese (iii) sulfide the answer would be Mn2(SO4)3
4 0
3 years ago
Which metal element is most reactive Beryllium, magnesium, calcium, or strontium
777dan777 [17]

Answer:

Magnesium I’m pretty sure

Explanation:

3 0
2 years ago
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