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3 years ago

How could you dissolve more solid solute in a saturated solution in a liquid solvent

1 answer:

4 0

Heat up the solvent. This will cause the molecules of the solvent to become more energized and "expand" to allow for more solvent to be added. However, once the solvent cools down, the extra solute may fall out as a precipitate.

This is how rock candy is made, by the way.

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Which element has 32 protons in its nucleus? phosphorus cobalt germanium sulfur

vovangra [49]

Answer:

Germanium.

Explanation:

In a neutral atom: the number of protons = the number of electrons.

Atomic number of a neutral atom = number of electrons = number of protons.

Phosphorous is an element with atomic number 15 and thus contains 15 electrons and 15 protons.

Cobalt is an element with atomic number 27 and thus contains 27 electrons and 27 protons.

<em>Germanium is an element with atomic number 32 and thus contains 32 electrons and 32 protons.</em>

Sulfur is an element with atomic number 16 and thus contains 16 electrons and 16 protons.

7 0

3 years ago

Read 2 more answers

Which of the following cannot be broken down into different elements?

belka [17]

Atoms. Well, they can be broken down, but that won't happen that fast.

7 0

3 years ago

Consider the compound mgcl2 what type of compound does it represent?

Naily [24]

MgCl2 is a ionic compound because it is formed by a metal (Mg) and a non-metal (Cl)

4 0

3 years ago

Why do convection currents occur?

Maurinko [17]

Answer:

Convection currents are the result of differential heating. Lighter (less dense), warm material rises while heavier (more dense) cool material sinks. It is this movement that creates circulation patterns known as convection currents in the atmosphere, in water, and in the mantle of Earth.

6 0

3 years ago

Classify each of these soluble solutes as a strong electrolyte, a weak electrolyte, or a nonelectrolyte. Solutes formula hydroch

matrenka [14]

Compounds which on dissolving in water gets completely dissociates into its ions are known as strong electrolytes whereas compounds which on dissolving in water gets partially dissociates into its ions are known as weak electrolytes.

Substances which gives solution on dissolving in water and do not dissociates into ions also does not conduct electric current are known as nonelectrolyte.

Hydrochloric acid, $HCl$

On adding $HCl$ (strong acid) in water, it will completely dissociates into ions ( $H^{+}$ and $Cl^{-}$ ) and thus, it is a strong electrolyte.

Sodium hydroxide, $NaOH$

On adding $NaOH$ (strong base) in water, it will completely dissociates into ions ( $Na^{+}$ and $OH^{-}$ ) and thus, it is a strong electrolyte.

Formic acid, $HCOOH$

On adding $HCOOH$ (weak acid) in water, it will partially dissociates into ions ( $H^{+}$ and $HCOO^{-}$ ) and thus, it is a weak electrolyte.

Methyl amine, $CH_3NH_2$

On adding $CH_3NH_2$ (weak base) in water, it will partially dissociates into ions ( $CH_3NH_3^{+}$ and $OH^{-}$ ) and thus, it is a weak electrolyte.

Potassium chloride, $KCl$

On adding $KCl$ in water, it will completely dissociates into ions ( $K^{+}$ and $Cl^{-}$ ) and thus, it is a strong electrolyte.

Ethanol, $C_2H_5OH$

On adding $C_2H_5OH$ in water, it will not dissociates into ions and thus, it is a nonelectrolyte.

Sucrose, $C_{12}H_{22}O_{11}$

On adding $C_{12}H_{22}O_{11}$ in water, it will not dissociates into ions and thus, it is a nonelectrolyte.

3 0

3 years ago