not sure how to do (f) (g) (j) k l o and help with calculation DESIGN PAGE LAYOU

Question

not sure how to do (f) (g) (j) k l o
and help with calculation

DESIGN PAGE LAYOUT REFERENCES MAILINGS REVIEW VIEW DESIGNLAYOUT 13.5 A A Aa E 1Norrnal ITAlo Spec A-Y-A. ,2. Heading 1 Heading 2 u-x, x' Paragraph Font Part 2 Cheetos Food sample POP tested Mass of the food 10g material before heating 105g 0.43 0.42 Mass of the food material (ashes) left after heating Mass of the food 0.57 material burned b-c) 0.63 (E Volume of the water sample 50 v 50.0 Mass of the water sample (Density of water is 1.00 g/mL) D= MASSVOLUME Initial temperature 21.0 22.0 of the water (T nital

Explanation / Answer

f)

We know that density is

d=mass/volume.

So,

Mass=density*volume.

Part 1= 50 and part 2 will also be 50.

J)

Part 1

Q=mc(change in temperature)

Q=50*4.184*7

Q=1464.4 J

Part 2

Q=50*4.184*6

Q=1255.2J

K)

We know that

1 cal=4.2 joules

So,

Part 1

Q=1464.4/4.2

Q=348.66 cal

Part 2

Q=1255.2/4.2

Q=298.57 cal

L) it will be energy in calories divided by mass of the sample burnt.

Part 1

=348.66/0.57

=611.68 cal/g

Part 2

=298.57/0.63

=474.38 cal/g

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