4500 J - calA- 1-075B- 1072C- 107-5D- 10-75

The correct option is B 1072 we know, 1 cal = 4.2 joules 1J = 1/4.2cal 4500 J = 4500/4.2cal = 1072 cal ...

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4500 J = calA...

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4500 J = ___ cal

1.075

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1072

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10.75

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107.5

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