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Masja [62]
3 years ago
14

When comparing two solutions with the same volume, you may say that one is dilute and the other is concentrated. What does this

mean?
Chemistry
1 answer:
Len [333]3 years ago
7 0
If one is dilute, there is more water than substance dissolved in it. If it is concentrated, it has dissolved the maximum amount of the solvent dissolved in it.
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If you have 0.30 moles of gas that has a volume of 7.5 L, how many moles of gas will you need to have a volume of 30.0 L?
Y_Kistochka [10]

Answer:

187.

Explanation:

7.5 \div 0.30 = 25

7.5 \times 25 = 187.5

6 0
3 years ago
The reaction below virtually goes to completion because cyanide ion forms very stable complexes with Ni2+ ion:[Ni(H2O)6]2+(aq) +
NeX [460]

Answer:

Option A and D are correct.

Unstable species react rapidly.

Stable species do not react rapidly.

Explanation:

The complete question is attached to this solution.

The more stable a reactant is, the less reactive it will be. A stable reactant has a very stable structure in which it will avoid any perturbations. And for a reaction to occur, the bonds in the reactant must break down to form the products. A stable reactant has very strong bonds that aren't easy to break down, hence, reactions involving very stable reactants do not proceed rapidly.

And the more unstable a reactant specie is, the more rapidly it reacts. This is why the reaction involving the less stable isotope of carbon; Carbon-14 is very rapid. It is the same reason as explained above that is responsible for this. The bond between unstable species are not strong and are easily breakable, thereby leading to a quick reaction.

Hope this Helps!!!

6 0
3 years ago
The animal kingdom is divided into two small groups name these two smaller groups and give examples of each include the characte
Elina [12.6K]

Answer:

vertebrate and invertebrates

Explanation:

All Vertebrates  have a skeletal structure with a spinal backbone and well developed internal skeleton made up of bones and cartilage while Invertebrates have no backbone.

Vertebrate include fish, amphibians, reptiles, birds and mammals. Invertebrates include worms and jellyfish, spiders and crabs.

<u>common characteristics among vertebrates and invertebrates </u>

○ multi-cellular.

○ heterotrophs (cannot make their own food) and must get their energy by consuming plants or other animals.

○ obtain food and oxygen for energy,

5 0
3 years ago
Butanol is composed of carbon, hydrogen, and oxygen. If 1.0 mol of butanol contains 6.0 x 1024 atoms of hydrogen, what is the su
yanalaym [24]

Answer:

Option B. 10

Explanation:

If 1 mol of butanol contains 6×10²⁴ atoms of H, let's calculate the amount of H.

(number of atoms  / NA)

6.02 x 10²³ atoms ___ 1 mol

6×10²⁴ atoms will occupy (6×10²⁴ / NA) = 9.96 moles

H, has 10 moles in the butano formula.

4 0
3 years ago
How did thomsons experiment changes daltons atomic model
podryga [215]

Thomson's experiments with cathode ray tubes helped him to discover the electron (which Dalton did not know about). Dalton thought that atoms were indivisible particles, and Thomson's discovery of the electron proved the existence of subatomic particles.

5 0
4 years ago
Read 2 more answers
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