Question

the fact that ice is less desnse than water is related to the fact that
a the molecular structure of ice is much less orderly than that of water
b. the molecules of ice are held to each other by covalent bonding
c. ice has a molecular structure in which water molecules are arranged randomly
d. ice has a molecular structure that is an open framework held together by hydrogen bonds
I think the answer is d.

Answer 1

u are right

Answer 2

@Rohitkhanna Thank you!
do you think you could check three more for me

Answer 3

yes.for sure

Answer 4

how does the surface tension of water compare with the surface tension of most other liquids?
it is lower
it is about the same
it is higher
it is higher when a surfactant is added.
my answer : it is higher

Answer 5

what is the shape of the water molecule
a linear
b tetrahedral
c. trigonal planer
d. bent
my answer: bent

Answer 6

the bonds between adjacent water molecules are called ____
a. hydrogen bonds
b. ionic bonds
c. nonpolar covalent bonds
d. polar covalent bonds
my answer: hydrogen bonds

Answer 7

shape of water is bent because of the lone pair of electron on oxygen.u r right
water molecules are bonded by hydrogen bonds.u are right about it too

Answer 8

@Rohitkhanna you are so great! THANK YOU SO MUCH

Answer 9

i m not sure about the first one.and feel free to ask questions anytime

Answer 10

@Rohitkhanna which of the following is not a common hydrate
a epsom salt
b borax
c sugar
d alum
i belive the answer is sugar