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3 years ago

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In swimming, you apply a force to the water to move yourself forward. The greater the water pressure, the faster you can swim. T

his can best be explained by one of newton's laws of motion that states

1 answer:

zalisa [80]3 years ago

8 0

Answer:

Newton's Third law of motion

Explanation:

Which states that for every action, there is an equal but opposite reaction

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2. Which of the following expressions is generally used for solubility? (1 point)

miskamm [114]

<u>Answer:</u>

For 2: The correct answer is grams of solute per 100 grams of solvent.

For 3: The correct answer is supersaturated.

For 4: the correct answer is the solubility decreases.

<u>Explanation:</u>

<u>For 2:</u>

Solubility is defined as the property which refers to the ability of the solute that can be dissolved in a solvent. It is defined as the number of grams of solute per 100 grams of solvent.

<u>For 3:</u>

Unsaturated solution is defined as the solution in which amount of solute that is dissolved in the solvent is less.

Saturated solution is defined as the solution in which no more solute can be dissolved in the given amount of solvent.

Emulsion is defined as the dispersion of one liquid in another liquid in which it is not soluble.

Supersaturated solution is defined as the solution in which solvent contains more amount of solute than the required amount. These solutions help in the process of crystallization.

When a crystal is added to a <u>supersaturated solution</u>, more and more particles come out of the solution and this process is known as crystallization.

<u>For 4:</u>

According to the Henry's Law

The solubility of the gas in a liquid is directly proportional to the partial pressure of the gas.

$\text{Solubility of a gas in a liquid}\propto \text{Partial pressure of the gas}$

With increase in the partial pressure, the solubility of the gas in liquid also increases and vice-versa.

Hence, the correct answer is the solubility decreases.

7 0

3 years ago

Read 2 more answers

True or false, when a material loses thermal energy, it usually contracts.

Brums [2.3K]

Answer:

True

Explanation:

Whenever something loses thermal energy, it contracts and becomes smaller.

8 0

3 years ago

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Besides plants, do other organism get their energy directly from the Sun?<br> yes or no

Contact [7]

yes they doExplanation:

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3 years ago

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When the following reaction comes to equilibrium, will the concentrations of the reactants or products be greater? Does the answ

Nutka1998 [239]

Answer:

At equilibrium, the concentration of the reactants will be greater than the concentration of the products. This does not depend on the initial concentrations of the reactants and products.

Explanation:

The value of Kc gives us an idea of the extent of the reaction. A big Kc (Kc > 1) means that in the equilibrium there are more products than reactants, and the opposite happens for a small Kc (Kc < 1). The equilibrium is reached no matter what the initial concentrations are.

The value of the equilibrium constant is relatively SMALL; therefore, the concentration of reactants will be GREATER THAN the concentration of products. This result is INDEPENDENT OF the initial concentration of the reactants and products.

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3 years ago

Please help me. How do I do ideal gas law?

Tcecarenko [31]

The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).

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3 years ago