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10 months ago

If you heat a liquid and measure the temperature at which is boils (STATEOF MATTER), you are measuring a

Chemistry

1 answer:

abruzzese [7]10 months ago

5 0

ANSWER

The temperature at which it boils is a measure of its physical property

STEP-BY-STEP EXPLANATION:

Firstly, we need to define the physical and chemical property of matter

The physical property of matter is characteristic of matter that is not associated with a change in its chemical composition. The physical properties include; color, density, hardness, melting, and boiling point.

The chemical property of matter is characteristic of matter that is associated with a change of matter from one type to another type. The chemical properties include; Flammability, toxicity, acidity, reactivity, etc.

When a liquid is boiled, it changes its state from liquid to vapor, this change of state is associated with the physical property of matter.

Hence, the temperature at which it boils is a measure of its physical property

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The ksp of pbi2 is 1.4 x 10-8. what is the molar solubility of lead(ii iodide in a solution of 0.400 m sodium iodide?

tino4ka555 [31]

The solubility product of a substance us calculated by the product of the concentration of the dissociated ions in the solution raise to the stoichiometric coefficient of the ions. Therefore, we need the dissociation reaction. For this, it will have the reaction:

PbI2 = Pb^2+ + 2I-

We solve as follows:

Ksp = [Pb2+][I-]^2 = 1.4 x 10-8
1.4 x 10-8 = x(2x)^2
1.4 x 10-8 = 4x^3
x = 1.5x10^-3 M

The molar solubility would be 1.5x10^-3 M.

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2 years ago

Substances that dissolve in water nd give up OH-ions are considered what

just olya [345]

Your answer would be an Arrhenius base

Hope this helps

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1 year ago

A 2.5 mg sample of magnesium powder is ignited with 2 mg oxygen in a sealed container. All of the magnesium is consumed and 4.15

lys-0071 [83]

Answer:

Total mass of the reactant = 2+2.5 =4.5 mg

Total mass of product = 4.15 mg

therefore, mass of unreacted oxygen = 4.50-4.15 = 0.35 g

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3 years ago

What effects does the concentration of reactants have on the rate of a reaction ?

Harlamova29_29 [7]

Question:

What effects does the concentration of reactants have on the rate of a reaction?

Answer:

Reactant concentration. Increasing the concentration of one or more reactants will often increase the rate of reaction. This occurs because a higher concentration of a reactant will lead to more collisions of that reactant in a specific time period.

Increasing the concentration of reactants generally increases the rate of reaction because more of the reacting molecules or ions are present to form the reaction products. ... When concentrations are already high, a limit is often reached where increasing the concentration has little effect on the rate of reaction.

Hope this helps, have a good day. c;

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3 years ago

2. What physical force causes suspensions to settle

MakcuM [25]

Hello!

Answer:

Gravity

Explanation:

It can settle down and separate over time due to gravity.

Hope this helps! Have a great day!

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2 years ago