Question #25845

1 Answer
Meave60
Dec 15, 2014

Equalities to be used as conversion factors: 1 cal = 1.484 J, 1 kJ = 1000 J

Conversions:
#"504 J"# x #"1 cal"/"4.184 J"# = #"120. cal" or "1.20 x 10"^2 "cal"#

#"504 J"# x #"1 kJ"/"1000 J"# = #"0.504 kJ"#

#"192 cal"# x #"4.814 J"/"1 cal"# = #"803.328 J"# = #"803 J"# (rounded to three significant figures)

#"803 J"# x #"1 kJ"/"1000 J"# = #"0.803 kJ"#

#"0.423 kJ"# x #"1000 J"/"1 kJ"# = #"423 J"#

#"423 J"# x #"1 cal"/"4.184 J"# = #"101 cal"#

Solutions:

#"504 J" = "120. cal = "0.504" kJ"#

#"192 cal" = "803 J" = "0.803 kJ"#

#"0.423 kJ" = "423 J" = "101 cal"#

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