A heat transfer of 7.5x105 J is required to convert a block of ice at -15...

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A heat transfer of 7.5x105 J is required to convert a block of ice at -15 C to water at 14 C. Part A What was the mass of the block of ice? Express your answer using two significant figures. View Available Hint(s) m = Submit 0 ? kg An ammonia refrigeration cycle involves the conversion of 0.79 kg of liquid ammonia into vapor every minute at the boiling-point temperature. Part A At what rate does the ammonia absorb energy? Express your answer to two significant figures and include appropriate units. H Value 0 ? Units A heat transfer of 7.5x105 J is required to convert a block of ice at -15 C to water at 14 C. Part A What was the mass of the block of ice? Express your answer using two significant figures. View Available Hint(s) m = Submit 0 ? kg An ammonia refrigeration cycle involves the conversion of 0.79 kg of liquid ammonia into vapor every minute at the boiling-point temperature. Part A At what rate does the ammonia absorb energy? Express your answer to two significant figures and include appropriate units. H Value 0 ? Units