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Maslowich
2 years ago
12

Litmus paper can be used to determine the _______ of a substance. A. relative volume B. relative pH C. temperature D. chemical f

ormula
Chemistry
1 answer:
fgiga [73]2 years ago
5 0

Answer:

B

Explanation:

Litmus paper determines the relative pH

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Answer:

I think the answer is

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2 years ago
What is the product of a force and the time during which the force acts
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Impulse is the product of a force and the time during which that force acts on a body.

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3 years ago
A gas that was cooled to 200 Kelvin has a volume of 65.8 L. If its initial volume was 132.4 L, what was its initial temperature?
Mandarinka [93]

Answer:

Initial temperature, T1 = 99.4 Kelvin

Explanation:

<u>Given the following data;</u>

  • Initial volume, V1 = 65.8 Litres
  • Final temperature, T2 = 200 Kelvin
  • Final volume, V2 = 132.4 Litres

To find the initial temperature (T1), we would use Charles' law;

Charles states that when the pressure of an ideal gas is kept constant, the volume of the gas is directly proportional to the absolute temperature of the gas.

Mathematically, Charles' law is given by the formula;

\frac {V}{T} = K

\frac {V_{1}}{T_{1}} = \frac {V_{2}}{T_{2}}

Making T1 as the subject formula, we have;

T_{1} = \frac {V_{1}T_{2}}{V_{2}}

Substituting the values into the formula, we have;

T_{1} = \frac {65.8 * 200}{132.4}

T_{1} = \frac {13160}{132.4}

<em>Initial temperature, T1 = 99.4 Kelvin</em>

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2 years ago
A washing powder contains sodium hydrogencarbonate
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False.
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3 years ago
Describe how to separate a mixture of sugar and water.
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Let the water evaporate and you'll be left with the sugar, or boil the water and collect the steam. the sugar will be left in the container you boiled the water in and you'll still have the water from the steam.
3 0
3 years ago
Read 2 more answers
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