The specific heat of ethanol is 2.46 J/g C. How many joules of heat are required to heat 193g of ethanol from 19.00C to 36.00C?

1 Answer
Junaid Mirza
Apr 25, 2018

#"8.070 kJ"#

Explanation:

Use this equation

#"Q = mC"Δ"T"#

where

  • #"Q ="# Heat
  • #"m ="# Mass of sample
  • #"C ="# Specific heat of sample
  • #"ΔT ="# Change in temperature

#"Q" = 193 cancel"g" × "2.46 J"/(cancel"g" cancel"°C") × (36.0 - 19.0) cancel"°C" = "8071.26 J" ≈ "8.070 kJ"#

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