How many calories are released when 230g of water is cooled from 25C to 18C? 1840 cal

1610 cal

805 cal

690 cal

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.