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labwork [276]
3 years ago
14

A small sack of sand has a density of 1.5 g/cm3 and a mass of 1500 g. How much space (volume) does the sand occupy?

Chemistry
2 answers:
d1i1m1o1n [39]3 years ago
8 0
The answer would be 1000 cm3
Keith_Richards [23]3 years ago
7 0

1000cm3 would be the answer

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3rd choice

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A neutral atom of which of the four element has the smallest radius
arsen [322]
Answer:
Element 1

Explanation:
The ionization energy is defined as the energy required to remove electrons from the atoms.
We know that the nucleus of the atom attracts the electrons, thus, bound these electrons to the atom.
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Based on the above, the atom with the smallest radius would be the atom with the largest first ionization energy.

Hope this help :)
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The pHof a buffer solution containing 0.10 Macetic acid and 0.10 M
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<span>Chemical reaction: CH</span>₃COO⁻(aq) + H⁺(aq) ⇄ CH₃COOH(aq).

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3 years ago
A particle that makes up the basic unit of an element is called an __________.
AleksAgata [21]
I think it’s atoms because of google

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4 years ago
A scientist wants to react a barium chloride salt with an acid. to speed up the reaction, the scientist crushes the barium chlor
In-s [12.5K]

Out of the following given choices;

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B. increasing the surface area of the salt.

C. increasing the pressure of the salt.

<span>D. increasing the temperature of the salt.</span>

 

The answer is B. When a substance is reduced to smaller sizes, its surface area to volume ratio increases. Therefore crushing barium salts to smaller particles increase the surface area on which it reacts with the acid. This consequently increases the rate of speed of the reaction.






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