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Scilla [17]
3 years ago
7

What types of matter can be classified as pure substances?

Chemistry
1 answer:
Anastasy [175]3 years ago
6 0

Answer:

Pure substances can be classified as chemical compounds or elements.

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3) Explain the working principle of catalyst for both rate of reaction and equilibrium reaction . show by means of graphical rep
victus00 [196]

Explanation:

A catalyst has no effect on the equilibrium state, but it enables equilibrium to be reached more quickly by decreasing the “energy of activation”. In fact, a catalyst affects forward and reverse rates equally.

8 0
2 years ago
Mass is the measure of the amount of ___ in an object.
Kamila [148]

Answer:

mass is the measure of the amount of weight pulled by gravity in an object B-)

5 0
3 years ago
Calculate the pH of a solution that is 0.113 M HCI.
Alex Ar [27]

Simplified concentration

\\ \rm\Rrightarrow 1.13\times 10^{-2}M

Now

\\ \rm\Rrightarrow pH=-log[H^+]

\\ \rm\Rrightarrow pH=-log(1.13\times 10^{-2})

\\ \rm\Rrightarrow pH=-log1.13-log10^{-2}

\\ \rm\Rrightarrow pH=-0.05+2

\\ \rm\Rrightarrow pH=1.95

Highly acidic

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2 years ago
Examine the information.
lyudmila [28]
Vectors include magnitude & direction so the third option is the correct answer :)
8 0
3 years ago
Read 2 more answers
How can I identify when the reaction is in equilibrium
masha68 [24]

Answer:

<h2>Chemical equilibrium, however, is always the point at which there is no bias towards creating products or reactants. If the forward reaction rate and reverse reaction rate are equal, then there is no net change in concentration of the reactants or products. This makes them appear to be stable.</h2>

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