Question

A student dissolves some solid sodium chloride in a beaker of water.

Which are the solute and the solvent?

Choose all answers that are correct.

A.
solvent: sodium chloride

B.
solvent: water

C.
solute: sodium chloride

D.
solute: water

Answer 1

@ModernPraise97

Answer 2

@Isaiah.Feynman

Answer 3

We know from grade 0 that water is a solvent. The solute must be...?

Answer 4

I see thanks.

Answer 5

@Isaiah.Feynman Can you help some more? just a few questions. maybe 4

Answer 6

According to this graph, which statement describes how the amount of iron changes over time in the reaction
Fe2O3 + 3H2 → 2Fe + 3H2O?



A.
As time passes there is steady decrease in the amount of Fe.

B.
The amount of the product Fe increases rapidly at first and then continues to increase slowly.

C.
The amount of the reactant Fe2O3 increases rapidly at first and then continues to increase slowly.

D.
As time passes Fe2O3 and Fe will reach a dynamic equilibrium.

Answer 7

http://static.k12.com/calms_media/media/1354000_1354500/1354463/1/617b782a1ae99eaa164aebc8a7abe4472ed258e2/222732.jpg

Answer 8

@linda3 can you help? wait what grade are you in first?

Answer 9

I'm in 12th grade

Answer 10

ok yay! the question is According to this graph, which statement describes how the amount of iron changes over time in the reaction
Fe2O3 + 3H2 → 2Fe + 3H2O?



A.
As time passes there is steady decrease in the amount of Fe.

B.
The amount of the product Fe increases rapidly at first and then continues to increase slowly.

C.
The amount of the reactant Fe2O3 increases rapidly at first and then continues to increase slowly.

D.
As time passes Fe2O3 and Fe will reach a dynamic equilibrium.

http://static.k12.com/calms_media/media/1354000_1354500/1354463/1/617b782a1ae99eaa164aebc8a7abe4472ed258e2/222732.jpg

Answer 11

ohgoodness... I would normally try to help you but I'm taking a test and I need studied chemistry.I'm sorry :/

Answer 12

It is ok. thanks anyways

Answer 13

I can get someone else to help

Answer 14

@C.A.M

Answer 15

i think c

Answer 16

thanks!!!

Answer 17

anyone up for one last question?

Answer 18

welcome my comp says its 8:56
pm

Answer 19

Mine says 2:54

Answer 20

Which statement explains a difference between a homogeneous mixture and a heterogeneous mixture?

A.
A homogeneous mixture looks the same throughout, whereas a heterogeneous mixture does not have uniform composition.

B.
A homogeneous mixture does not have uniform composition, whereas a heterogeneous mixture does.

C.
A heterogeneous mixture can be referred to as a solution and a homogeneous mixture cannot.

D.
A heterogeneous mixture can be separated by physical means, and a homogeneous mixture must be separated chemically.

Answer 21

i cant fixit it wont let me

Answer 22

a