A thermometer reads a temperature to be 38.0 °C. What is the temperature in

1 answer:

7 0

Answer:

$\boxed {\tt 311.15 \ K}$

Explanation:

To convert degrees Celsius to Kelvin, use the following formula.

$K= \textdegree C +273.15$

Since we are trying to find 38 degrees Celsius in Kelvin, so we should substitute 38 in for degrees Celsius.

$\textdegree C =38$

$K=38+273.15$

Add 38 and 273.15.

$K=311.15$

38 degrees Celsius is equal to 311.15 Kelvin

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Answer:

30 Liters of 40% acid solution and 10 L of 60% acid solution is needed.

Explanation:

Let volume of the 40% acid solution be x.

Let volume of the 60% acid solution be y.

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x + y = 40 L..[1]