For number 4 I need to find the molar mass, moles and give an empirical formula

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the practice of taking someone else's work or ideas and passing them off as one's own.

explanation:

the answers would be

the first one and the second one

the formula for the conversion of temperature from degree celsius to kelvin is:

the sample of water at is converted to kelvin temperature by using the above formula as:

on comparing the two samples of water at or we can say that at and at respectively. the difference between the temperatures of two samples of water is:

hence, one can say that the sample of water at is greater than the sample of water at by .