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7. A bottle containing 740 g of liquid water was removed from a cooler at a temperature of 1.2 C and placed on a picnic

7. A bottle containing 740 g of liquid water was removed from a cooler at a temperature of 1.2 °C and placed on a picnic table on a warm day. The water sat on the table for several hours and eventually reached a temperature of 29 °C. The specific heat of water is 4186 J/(kg · °C). 

a) How much heat was transferred from the surroundings to the water during this time? 

b) If the same amount of heat had been used to melt an ice cube at a temperature of 0 °C, what would be the mass of ice that it could melt? (The latent heat of fusion coefficient for water is 3.34 × 105 J/kg.) 

 

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Constants, Material Properties, Conversion Factors, and Vector Mathematics 1 in = 2.54 cm k = 1.38 x 10-23 J/ K opposite sin 0 = Ay g =
9.81m/s2 NA = 6.02 x 1023 mol-1 hypotenuse A 27 = 360 = 1 rev R = 8.31 J/(molK) adjacent Ax cos d = hypotenuse A G = 6.673 x 10-11 N
m2/kg2 IA| = A =\Ax2 + Ay? tan 0 = opposite Ay adjacent Equations Ax = Xf - To v2 = rw2 I = Icom + mh2 ac = At = tf -to Tnet = E... 

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