How many kilocalories are lost when 874.3 grams of water cools from 84.81 celsius to 48.20 celsius?

32 kcal

Explanation:

Q= heat gained  or lost

m= mass of the substance = 874.3 g

c = heat capacity of  water = 1 cal/g ° C      

Q= 32008.1cal=32..0kcal    (1kcal=100cal)

Thus heat lost by 874.3 g of iron is = 32 kcal

Heat lost is represented as a negative sign.

here is table 2-2:

country

percent of eligible voters that voted

rank

united states

44.9%

138

canada

60.1%

107

costa rica

84.6%

14

hungary

66.9%

82

japan

57.0%

118

egypt

27.7%

159

south africa

85.5%

10

ans is no, the data set cannot be plotted as a single circle graph