2 years ago

What di you think you would see happen in the bucket as ice comes into contact with high kinetic energy molecules?

Chemistry

1 answer:

cricket20 [7]2 years ago

5 0

Answer:The ice will melt

Explanation:

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Can an ion be either positive or negative? True or False

vekshin1

Answer:

True

Explanation:

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2 years ago

Which statement summarizes the difference between mass and weight?

alexgriva [62]

Answer:

Mass is the amount of matter in an object.

Weight is how much an object weighs.

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3 years ago

Boron has two naturally-ocurring isotopes. Boron-10 has an abundance of 19.8% and actual mass of 10.013 amu, and boron-11 has an

aniked [119]

Answer:

Average atomic mass = 10.812 amu

Explanation:

The formula for the calculation of the average atomic mass is:

$Average\ atomic\ mass=(\frac {\%\ of\ the\ first\ isotope}{100}\times {Mass\ of\ the\ first\ isotope})+(\frac {\%\ of\ the\ second\ isotope}{100}\times {Mass\ of\ the\ second\ isotope})$

Given that:

For first isotope, Boron-10:

% = 19.8 %

Mass = 10.013 amu

For second isotope, Boron-11:

% = 80.2 %

Mass = 11.009 amu

Thus,

$Average\ atomic\ mass=\frac{19.8}{100}\times {10.013}+\frac{80.2}{100}\times {11.009}=1.982574+8.829218=10.811792$

Average atomic mass = 10.812 amu

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2 years ago

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A molecular solid coexists with its liquid phase at its melting point. The solid-liquid mixture is heated, but the temperature d

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The answer to that question would be A

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3 years ago

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A cube has a mass of 27 g and length of 3cm. What is it’s density

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D = m/v. v = (3)^3 = 27.
D = 27/27. D = 1g/cm^3

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3 years ago

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