How much heat in kilojoules is required to warm 10 g of ice, initially at -10.0°C, to steam at 120 °C. The heat capacity of ice is 2.09 J/(8 °C) and that of steam is 1.84 J/(g. °C)

1
?
9=
kJ

Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.