Suppose you wanted to heat a mug of water (250 mL) from room temperature 25 C to 100 C to make a cup of tea. How much energy (in units of calories and joules) would you need from your microwave?

Answer 1

q = mass H2O x 1 cal/g*C x 75
q = mass H2O x 4.18 J/g*C x 75

Answer 2

75x250x4.184=78450 J
78450/4.184= 18750 Cal

Answer 3

75x250x4.184=78450 J
78450/4.184= 18750 Cal

Answer 4

Half life 3 confirmed.

Answer 5

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Answer 6

Di 3.456+*(9)

Answer 7

Convert 25,058 to kcals