give the chemical equation
for heat energy is absorbed
Answers
Answer:
Heat Energy Calculator
To calculate the energy required to raise the temperature of a known mass of a substance, you use the specific heat formula:
Q = m × c × ΔT
Q is the energy transferred in joules, m is the mass of the substances in kg, c is the specific heat capacity in J/kg degrees C, and ΔT is the temperature change in degrees C in the specific heat formula.
Heat Released Calculator
Imagine 100 g of an acid was mixed with 100 g of an alkali, which resulted in the temperature increase from 24 degrees C to 32 degrees C.
The equation for a neutralization reaction between an acid and an alkali can be reduced to:
H+ + OH- --> H2O
The formula to use: Q = mc ∆T
Mass = m = 100 g + 100 g / 1000 g per kg = 0.2 g (one significant figure)
Specific heat capacity of water = c = 4,186 J/kg degrees C
Change in temperature = ΔT = 24 degrees C - 32 degrees C = -8 degrees C
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