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pav-90 [236]
3 years ago
13

what happens to the density of an object when the volume of that object increases and the mass remains the same?

Chemistry
1 answer:
Dima020 [189]3 years ago
6 0

Answer:

d=m/v       If v increases then the density decreases.   Denominator get  larger

Explanation:

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What is the purpose of the piece of filter paper inside the 400 mL beaker?
Natalka [10]

Answer:

The purpose of a filter paper inside a beaker is to retain the suspended solid particles found in the solution.

<em>The retention capacity of the filter paper will depend on the size of the pores of the filter</em>. Thus, for example, if the pores of the filter have a diameter of 1 mm, particles with a diameter greater than 1 mm will be retained, and the rest of the solution will pass through the pores.

The removal of impurities through filters is a physical separation process.

7 0
3 years ago
Look at the diagram. De both lemas and humans have the traits listed at point D? Explain your reasoning​
Bogdan [553]

Answer:

WHAT DIAGRAM THX FOR POINTS THO

Explanation:

3 0
3 years ago
The ion MnOis often used to analyze for the Fe2+ content of an aqueous solution by using the (unbalanced) reaction Mno+Fe2+ + Fe
dusya [7]

Answer:

B) 0.230 M

Explanation:

The first step is to <u>balance the reaction</u> between the Ferrous ion and the permanganate ion:

5~Fe^+^2~+~MnO_4^-^1~+~8H^+~->~5Fe^+^3~+~Mn^+^2~+4H_2O

Then we have to <u>calculate the moles</u> of MnO_4^-:

M~=~\frac{mol}{L}

mol~=~M*L

mol~=~0.033~M*0.0633L=~0.002088~mol~MnO_4^-

Then using the <u>molar ratio</u> we can find the moles of Fe^+^2:

0.002088~mol~MnO_4^-\frac{5~mol~Fe^+^2}{1~mol~MnO_4^-}=0.01044~mol~Fe^+^2

Finally we can calculate the molarity:

M=\frac{0.01044~mol~Fe^+^2}{0.0455~L}=0.230~M

5 0
3 years ago
__Ca +__ H20- _Ca(OH)2 + _H2
astra-53 [7]

Answer: 44

Explanation: Because its easy

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3 years ago
Constructive and destructive process. ​
Aleks [24]

Answer:

again here

Explanation:

Collection and analysis of data indicate that constructive forces include crustal deformation, faulting, volcanic eruption and deposition of sediment, while destructive forces include weathering and erosion. I can explain how constructive and destructive forces affect the nature of landforms on Earth.

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8 0
3 years ago
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