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3 years ago

Is density a chemical or physical property of a substance?

Chemistry

1 answer:

pychu [463]3 years ago

8 0

Answer:

A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change.

I hope this helps you understand! <3

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Compared to visible light, an electromagnetic wave that has a longer wavelength will also have ________.

Anestetic [448]

Question∵

Compared to visible light, an electromagnetic wave that has a longer wavelength will also have?

Answer:

Hi, There! -Randp12- My Name Is jay I'm here to help! :)

The correct answer is lower frequency.

Explanation:

Information to Support My Answer :D

it is visible that wavelength and frequency follow inverse relation. For increase in wavelength, the value of frequency decreases and vice-versa.

Therefore for higher wavelength, the electromagnetic wave will also have lower frequency.

Hope this helps!

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3 years ago

Compare the advantages and disadvantages of using nuclear energy.

Brums [2.3K]

Advantages of nuclear power- The generation of electricity through nuclear energy reduces the amount of energy generated from fossil fuels, Less use of fossil fuels means lowering greenhouse gas emissions. Another advantage is the required amount of fuel: less fuel offers more energy

Disadvantages- Like fossil fuels, nuclear fuels are non-renewable energy resources. And if there is an accident, large amounts of radioactive material could be released into the environment. In addition, nuclear waste remains radioactive and is hazardous to health for thousands of years.

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3 years ago

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Glucose is a carbohydrate that contains carbon hydrogen and oxygen. The empirical formula of glucose is CH2O and it’s molar mass

shtirl [24]

Glucoses and carbonated

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2 years ago

What is the molarity of a hydrochloric acid solution, when 30.0 mL is neutralized by 48.0 mL of 0.100 mol/L

bulgar [2K]

The molarity of a hydrochloric acid solution : 0.32 M

<h3>Further explanation </h3>

Titration is a procedure for determining the concentration of a solution by reacting with another solution which is known to be concentrated (usually a standard solution).

Titrations can be distinguished including acid-base titration, depositional titration, and redox titration. An acid-base titration is the principle of neutralization of acids and bases is used.

Acid-base titration formula

Ma. Va. na = Mb. Vb. nb

Ma, Mb = acid base concentration

Va, Vb = acid base volume

na, nb = acid base valence

1 ⇒HCl (valence=1, HCl ⇒H⁺+Cl⁻, one H⁺)

2⇒Ca(OH)₂(valence=2, Ca(OH)₂⇒Ca²⁺+2OH⁻, two OH⁻)

M₂=0.1 M

V₂=48 ml=0.048 L

V₁=30 ml=0.03 L

$\tt M_1.V_1.n_1=M_2.V_2.n_2\\\\M_1\times 0.03\times 1=0.1\times 0.048\times 2\\\\M_1=0.32$

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3 years ago

A car moves at a speed of 50 kilometers/hour. Its kinetic energy is 400 joules. If the same car moves at a speed of 100 kilomete

DaniilM [7]

800 joules because it's twice the amount

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3 years ago

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Is density a chemical or physical property of a substance￼?

Is density a chemical or physical property of a substance?