Please help How much heat in kilojoules is required to warm 10.0 g of ice, initially at -20.0 ∘C, to steam at 125 ∘C. The heat capacity of ice is 2.09 J/(g⋅∘C) and that of steam is 1.84 J/(g⋅∘C).

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when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.

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