2K + 2H₂O → 2KOH + H₂ 1.00 g of solid K is added to 500. mL of water initially at 21.3 °C. The temperature at the end of the reaction was 23.5 °C. dsoln = 1.00 g/mL Csoln = 4.18 J/g°C - What is the heat of reaction, qrxn? arxn = [? ] J Enter either a + or - sign AND the magnitude. Use significant figures.

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2K + 2H₂O → 2KOH + H₂
1.00 g of solid K is added to 500. mL of water
initially at 21.3 °C. The temperature at the
end of the reaction was 23.5 °C.
dsoln = 1.00 g/mL
Csoln = 4.18 J/g°C
-
What is the heat of reaction, qrxn?
arxn = [? ] J
Enter either a + or - sign AND the magnitude.
Use significant figures.
Transcribed Image Text:2K + 2H₂O → 2KOH + H₂ 1.00 g of solid K is added to 500. mL of water initially at 21.3 °C. The temperature at the end of the reaction was 23.5 °C. dsoln = 1.00 g/mL Csoln = 4.18 J/g°C - What is the heat of reaction, qrxn? arxn = [? ] J Enter either a + or - sign AND the magnitude. Use significant figures.
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