Which statement about H_2 O is false? a. It is both acidic and basic b. It will

Question

Which statement about H_2 O is false? a. It is both acidic and basic b. It will dissolved most ionic compounds c. H_2 O boils at a relatively high temperature due to hydrogen bonding d. The solid is more dense than the liquid Given that the specific heat of water is 1 cal/g degree C, the specific heat of steam is .484 cal/g degree C, and the heat of vaporization is 540 cal/g, calculate the total amount of heat which must be removed to of steam at 200 degree to water 25 degree C. a. 1.25 times 10 Kcal b. 9.02 times 10 Kcal c. 9.05 times 10 Kcal d. 0.11 times 10 Kcal The 3 most electronegative elements are: a. F, Cl, Br b. F, Ra, Cs c. H_0, Ne, F d. F, O, N

Explanation / Answer

Ans 12 . d . The solid is more dense than liquid .

Density is mass by volume .

The solid form of water is ice , which has hydrogen bonds in it. The orientation of hydrogen bonds , pushes the molecules of water farther and lowers its density . This is the reason why ice floats on water .

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