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borishaifa [10]
3 years ago
6

Help me with this question Define a unit? write it's type​

Chemistry
1 answer:
Ahat [919]3 years ago
6 0

Answer:

Unit is the standard assigned to measure physical quantity. ... Length, mass, time, temperature, luminous intensity, and the electric current are known as the fundamental quantities. These are represented by L, M, T, 0, Cd, and A respectively

OAmalOHopeO

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When two or more substances combine, but each keeps it own properties,the new combination is called a (an)
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The new combination is called a mixture.

In mixtures, since the substances are not chemically combined together, they still remain their own physical and chemical properties, and can be separated by simple physical methods such as filtration or distillation.

On the other hand, if the two or more substances are combined where they get new properties, the new combination will be called a compound.  They cannot be separated by physical methods, but chemical methods such as heating or electrolysis.


7 0
3 years ago
Question 3: Which state of matter does not freely flow?
vfiekz [6]

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Solid

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4 0
3 years ago
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Please answer step by step.
Digiron [165]

3 moles of NaOH reacts with 1 mole of phosphoric acid.

<h3>What is the moles ratio of the NaOH and Phosphoric acid reaction?</h3>

The moles ratio of the reaction between NaOH and Phosphoric acid is given by the equation of the reaction below:

3\:NaOH + H_{3}PO_{4} \rightarrow Na_{3}PO_{4} + 3\:H_{2}O \\

Based on the equation of the reaction, 3 moles of NaOH reacts with 1 mole of phosphoric acid.

Learn more about mole ratio at: brainly.com/question/19099163

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3 0
2 years ago
Doubling the mass and object has, will increase its kinetic energy more than doubling its speed.
Bess [88]

<u><em>Answer: The answer is False</em></u>

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3 years ago
How many atoms of K are present in 195.49 grams of K? (5 points)
Lemur [1.5K]

Answer:

A

Explanation:

195.49 g K x 1 mole / 39.01 g x 6.022 x 10^23 atoms/mole = 30.11 x 10^23 = 3.011 x 10^24

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