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Alexus [3.1K]
3 years ago
15

Help ASAAPPPPPPPPPP!!!!

Chemistry
1 answer:
Verdich [7]3 years ago
6 0
Third choice is correct. 
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This is the speed at which molecules or atoms move dependent on temperature and state of matter.
Lynna [10]
Molecular Motion<span> is the speed at which molecules or atoms move dependent on temperature and state of matter.

Explanation:

</span>All molecules are<span> in constant motion. Molecules of a liquid have </span>a lot of<span> freedom of movement than those </span>in an exceedingly<span> solid. Molecules </span>in an exceedingly<span> gas have </span>the best<span> degree of motion.</span>
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Heat, temperature </span>and also the<span> motion of molecules </span>area unit<span> all </span>connected<span>. Temperature </span>could be a life<span> of </span>the common K.E.<span> of the molecules </span>in an exceedingly<span> material. Heat </span>is that the<span> energy transferred between materials that have </span>completely different temperatures<span>. Increasing the temperature </span>will increase<span> the </span>travel<span> motion of molecules Energy </span>is expounded<span> to temperature by the relationship.</span>
3 0
4 years ago
Read 2 more answers
Balance the equation
kap26 [50]

Answer: Balanced chemical equation will be :

5SiO_2+2CaC_2\rightarrow 5Si+2CaO+4CO_2

Explanation:

SiO_2+CaC_2\rightarrow Si+CaO+CO_2(Unbalanced)

A  balanced chemical reaction follows the Law of Conservation of Mass. which states in a chemical reaction mass can neither be created nor be destroyed. In other words total mass of the products is equal to the total mass of reactants.

Balanced chemical equation will be :

5SiO_2+2CaC_2\rightarrow 5Si+2CaO+4CO_2

3 0
4 years ago
The density of concentrated ammonia, which is 28.0% w/w nh3, is 0.899 g/ml. what volume of this reagent should be diluted to 1.0
vlada-n [284]

Answer: 2.4 ml

Solution :

Molar mass of NH_3 = 17 g/mole

Given,: 28% w/w of NH_3 solution means 28 g of ammonia in 100 g of solution.

Mass of solution = 100 g

Now we have to calculate the volume of solution.

Volume=\frac{Mass}{Density}=\frac{100g}{0.899g/ml}=111.2ml  

Molarity : It is defined as the number of moles of solute present in one liter of solution.

Molarity=\frac{n\times 1000}{V_s}

where,

n = moles of solute NH_3=\frac{\text {given mass}}{\text {molar mass}}=\frac{28}{17}=1.65moles

V_s = volume of solution in liter = 0.11 L

Now put all the given values in the formula of molarity, we get

Molarity=\frac{1.65moles}{0.11L}=15mole/L

Using molarity equation:

M_1V_1=M_2V_2

15\times V_1=0.036\times 1.0\times 10^{3}

V_1=2.4ml

6 0
4 years ago
What is a nanomaterial that is often used with other compounds to desalinate and decontaminate water?
Katarina [22]

Answer:

Silver ions.

Explanation:

The most extensively studied nanomaterials for water purification and treatment mainly includes zero-valent metal nanoparticles, metal oxides nanoparticles, carbon nanotubules and nanocomposites.

3 0
3 years ago
Would ethene or ethyne would have a higher bond dissociation energy? Explain
jonny [76]

Answer:

The feedback you provide will help us show you more relevant content in the future.

Explanation:

7 0
3 years ago
Read 2 more answers
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