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Svetradugi [14.3K]
3 years ago
7

How does a vase on a table overcome gravity? What would happen if you moved the vase off the table

Chemistry
1 answer:
NeTakaya3 years ago
7 0

Answer:

A vase on a table overcomes gravity because of the upwards force of the table against it, which is stronger than the force of gravity. If you were to move the vase off the table it would no longer have anything stopping gravity from breaking it.

Explanation:

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-1.42, 3, 32.5%, √4, 2³, −0.375, 3/8 as a decimal least to greatest
nignag [31]

Answer:

-1.42, -0.375, 32.5% (.325), 3/8 (.375), √4 (2.0), 3 (3.0), 2³ (8.0)

8 0
1 year ago
Which element has 13 protons and 8 neutrons?
WINSTONCH [101]

Answer:

only thing close I can see would be aluminun

Explanation:

atomic number of 13 and 8 2nd electrons in its shell.

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3 years ago
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It takes 167 s for an unknown gas to effuse through a porous wall and 99 s for the same volume of n2 gas to effuse at the same t
irakobra [83]

Answer : The molar mass of the unknown gas will be 79.7 g/mol


Explanation : To solve this question we can use graham's law;


Now we can use nitrogen as the gas number 2, which travels faster than gas 1;

So, 167 / 99 = 1.687 So the nitrogen gas is 1.687 times faster that the unknown gas 1

We can compare the rates of both the gases;


So here, Rate of gas 2 / Rate of gas 1 = \sqrt{(molar mass 1 / molar mass 2)}

Now, 1.687 = square root [\sqrt{(molar mass 1) / (28.01 g/mol N_{2})} ]


When we square both the sides we get;


2.845 = (molar mass 1) / (28.01 g/mol N2)


On rearranging, we get,


2.845 X (28.01 g/mol N2) = Molar mass 1

So the molar mass of unknown gas will be = 79.7 g/mol

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Which of the following is NOT a function of the skeletal system?
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Answer:

A yan hehehehe

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Acid precipitation is an agent of_______ weathering
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