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3 years ago

How can water dissovle many substances

Chemistry

2 answers:

Murljashka [212]3 years ago

6 0

Answer:

For example, a water molecule is made up of two hydrogen atoms bonded to one oxygen atom. ... Molecules that have partially charged positive and negative areas are polar. Because water molecules are polar, water can dissolve many other polar substances. Water can also dissolve ionic compounds such as table salt

Explanation: So the water can dissolve with things you might not know about.

Hope this was a great help!

11111nata11111 [884]3 years ago

3 0

Answer: Polar molecules

Explanation: Water is able to dissolve many substances because of its polar molecules, The positive and negative ends of a water molecule attracts the molecules of other polar substances..

I'm pretty sure, idk college stuff

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Chemical reaction when chromium metal is immersed in an aqueous solution of cobalt(II) chloride.

Marrrta [24]

$2Cr + 3CoCl_2$ → $2CrCl_3 + 3Co$

Explanation:

The products formed are chromic chloride and cobalt.

Chromium + Cobaltous Chloride = Chromic Chloride + Cobalt

Type of reaction is Single Displacement (Substitution) which is there is a displacement of one atom.

Reactants used in the reaction are -

Chromium $(Cr)$

Cobaltous Chloride $(CoCl_2)$

Products formed in the reaction are -

Chromic Chloride $(CrCl_3)$

Cobalt $(Co)$

Hence, the chemical reaction is as follows -

$Cr + CoCl_2$ → $CrCl_3 + Co$

For balancing the above chemical equation we need to add a coefficient of 2 in front of chromium and of 3 in front of cobalt(II)chloride on right-hand-side while of 2 in front of chromium chloride and of 3 in front of carbon monoxide on left-hand-side of the equation.

Hence, the balanced equation is -

$2Cr + 3CoCl_2$ → $2CrCl_3 + 3Co$

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3 years ago

The theoretical yield is the amount of product actually produced. <br><br> a. True<br> b. False

jolli1 [7]

Answer:

a. True

Explanation:

Theoretical yield is the amount of product that could be obtained if a chemical reaction has 100% efficiency.

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How does the idea of a neutron help address the puzzles about the protons in the nucleus and the mass of atoms?

Kisachek [45]

Answer:

hen the number of neutrons is known and the atomic number of an element is known, it becomes easier to determine the approximate mass number by adding the two.

Explanation:

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3 years ago

4.00 g of sodium and 2.00 g of oxygen react according to the following balanced equation 4 Na + O2 → 2 Na2O Calculate the mass o

posledela

6.00g because it is a balanced equation

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