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AlladinOne [14]
3 years ago
8

If ice is warmed and becomes a liquid, which type of process is it?

Chemistry
2 answers:
Lubov Fominskaja [6]3 years ago
8 0

Answer: Option (d) is the correct answer.

Explanation:

A reaction in which heat is absorbed by the substance or reactant molecules is known as an endothermic reaction. In this process energy of reactants is less than the energy of products.

Whereas a reaction in which heat is released by the substance or reactant molecules is known as an exothermic reaction. In this process energy of reactants is more than the energy of products.

For example, when ice is warmed then heat is absorbed by ice molecules due to which there occurs decrease in its intermolecular forces. As a result, ice changes into water.

Therefore, we can conclude that if ice is warmed and becomes a liquid, then it is an endothermic process.

ser-zykov [4K]3 years ago
4 0
If ice is warmed and becomes a liquid, the process is endothermic.

The process requires heat in order to proceed. If ice stays in a very cold place, it will not melt unless it's heated. If ice is placed outside where it melts on its own, it gets the heat from the surroundings.
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2. what volume of 0.0150-m hcl solution is required to titrate 150. ml of a 0.0100-m ca(oh)2 solution? (10 points)
laila [671]

100ml volume of  0.0150m hcl solution is requires to titrate 150ml of a 0.0100m caoh2 solution.

Dilution is a solution of decreasing the concentration of a solute in the solution by adding more solvent to the solution. We can use the expression for dilute formula,

    C1 V1 =C2 V2

where C1 is the initial concentration,C2 is the final concentration,V1 is the initial volume and V2 is the final volume. Here given, volume of 0.0150M(C1)  HCL solution is required to titrate 150ml(V2) of a 0.0100M(C1)  Caoh2 solution.

While diluting a solution from a high concentration substance to a low concentration substance we always use the formula of dilution.so, putting all value give  in the expression we get the volume of the final concentration.

          V1=  C2 V2/ C1

               = 0.0100m . 150ml /0.0150M

               = 100ml

The volume of the hcl solution is 100ml.

To learn more about dilution formula please visit:

brainly.com/question/7208939

#SPJ4

3 0
1 year ago
21.If the anion in an ionic compound is a nonmetal, you must change its ending
True [87]

Answer:

-ite --> Anionite

Explanation:

Feel free to give brainliest.

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7 0
3 years ago
Which statement describes the energy changes that occur when water in a tea kettle is heated on a stove that uses natural gas?
telo118 [61]

Answer: Some of the chemical energy in natural gas transforms into thermal energy, which heats the water. Then some of the thermal energy changes into sound energy when the water forms steam and the steam leaves the kettle.

Explanation:

The natural gas consists of chemicals, which when burn produces thermal energy. This thermal energy is utilized for heating or boiling water. The boiling water produces steam the steam tries to come out of the kettle thus makes sound over the kettle lid, the pressure created by steam while leaving kettle produces sound energy.

8 0
3 years ago
Which of the follow statements about isotopes is NOT correct?
worty [1.4K]

Answer: B- Isotopes are often used for dating artifacts and fossils is incorrect.

Explanation: I hope that helped

8 0
2 years ago
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