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Ahat [919]
3 years ago
10

At room temp attire a mixture of sand and water can be separated by

Chemistry
1 answer:
Elza [17]3 years ago
8 0
Sand and water can be separated by filtration using a filter funnel and to get pure water it can be distilled.
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Clasifica los siguientes elementos en metales, no metales, metaloides , o gases , nobles : flúor , azufre , nitrogeno , cloro ,
professor190 [17]

Answer:

<u>  Translation:</u>

Classify the following elements into metals, nonmetals, metalloids, or gases, noble : fluorine, sulfur, nitrogen, chlorine, magnesium, helium, sodium, bromine, silicon, tellurium.

  • Metals: magnesium and sodium.
  • Nonmetals: fluorine, chlorine, bromine, sulfur and nitrogen.
  • Metalloids: silicon and tellurium.
  • Noble gases: helium.

Explanation:

Metals: They occupy the left and central areas of the Periodic Table; therefore, they constitute a majority group of the elements.

Nonmetals: They are located in the upper right region of the Periodic Table.

Within the Periodic Table, the metalloids lie diagonally from boron to polonium. Items above on the right are nonmetals, and items below on the left are metals.

The noble gases are located in group 18 of the Periodic Table.

7 0
3 years ago
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What is the molar mass of Ca(OH)2?
liubo4ka [24]

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Explanation:

8 0
3 years ago
Is the density of gas unaffected by changes in temperature?
ra1l [238]
No it is affected by temperatures .
4 0
3 years ago
PLEASE HELP! NO LINKS! CHEMISTRY!
Bingel [31]

Answer:

Solution A is 1,000 times more acidic than Sol. B

Explanation:

for pH values we use scientific notation:

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ie:

10^-2 is sol A 10^-5 is sol B

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there's a diff of 1,000 between the solutions.

6 0
3 years ago
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How many protons neutrons and electrons does nitrogen 14 have?
vazorg [7]
Many nitrogen atoms have seven neutrons<span> (14-7 = 7). Some atoms of nitrogen, however, have eight electrons. They are atoms of N-15, an isotope of nitrogen. In a neutral atom, the number of protons must equal the number of electrons.</span>
5 0
3 years ago
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