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2 years ago

Form of energy knows as light energy

Chemistry

1 answer:

zalisa [80]2 years ago

5 0

Electro magnetic energy

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it is a viral disease . it is infected by one person to other .

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3 years ago

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Calculate hydrochloric acid (umol)in 200 ul of a 0.5173Msolution of acid?

strojnjashka [21]

Answer: The moles of hydrochloric acid is $1.0346\times 10^{-4}\mu mol$

Explanation:

To calculate the molarity of solution, we use the equation:

$\text{Molarity of the solution}=\frac{\text{Moles of solute}}{\text{Volume of solution (in L)}}$

Or,

$\text{Molarity of the solution}=\frac{\text{Micro moles of solute}\times 10^6}{\text{Volume of solution (in }\mu L)}}$

We are given:

Molarity of solution = 0.5173 M

Volume of solution = $200\mu L$

Putting values in above equation, we get:

$0.5173M=\frac{\text{Micro moles of HCl}\times 10^6}{200\mu L}\\\\\text{Micro moles of HCl}=1.0346\times 10^{-4}\mu mol$

Hence, the moles of hydrochloric acid is $1.0346\times 10^{-4}\mu mol$

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2 years ago

A clear colourless liquad that can be spilt into two gasses into different properties

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Water can be split into O2 and H2 gas

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3 years ago

Disadvantages of hard water

zloy xaker [14]

Answer:

Here are some disadvantages

Explanation:

Hard water does not pose a health threat.

Hard water can contribute to dry skin and hair.

Hard water is unfit for washing as it is difficult to form lather with soap.

Trimming of kettles will take place due to the formation of magnesium and carbonates of calcium.

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Lather

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1 year ago

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