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3 years ago

If a solid is placed in a liquid and lots of bubbles are formed, what type of reaction has occurred?

Chemistry

2 answers:

BigorU [14]3 years ago

7 0

B___________________________________________

sveta [45]3 years ago

5 0

Your answer is going to be B.

Any time you see bubbles in a reaction (other than from boiling) it's automatically a chemical reaction.

I hope I was able to help. Best of luck.

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Suppose that the root-mean-square velocity vrms of water molecules (molecular mass is equal to 18.0 g/mol) in a flame is found t

Zolol [24]

Answer:

$T=954.41\ K$

Explanation:

The expression for the root mean square speed is:

$C_{rms}=\sqrt {\dfrac {3RT}{M}}$

R is Gas constant having value = 8.314 J / K mol

M is the molar mass of gas

Molar mass of water vapor = 18.0 g/mol = 0.018 kg/mol

Temperature = ?

$C_{rms}=1150$ m/s

$1150=\sqrt{\frac{3\times 8.314\times T}{0.018}}$

$1322500=\frac{24.942T}{0.018}$

$T=954.41\ K$

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3 years ago

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Answer:

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Explanation:

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3 years ago

Water molecules contain what type of bonds

Semenov [28]

Answer:

Hydrogen and oxygen bonds

Explanation:

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3 years ago

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stich3 [128]

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4 years ago

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noname [10]

Answer:

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Explanation:

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