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riadik2000 [5.3K]
2 years ago
15

Which best describes a difference between laser light and regular light? Laser light is less concentrated. Laser light has a bea

m that spreads out. Laser light is made of one specific color. Laser light pumps out light particles one at a time.
Chemistry
1 answer:
omeli [17]2 years ago
6 0

Answer:

Laser light is made of one specific color

Explanation:

Regular light is a mixture of electromagnetic waves of different wavelengths

Laser light is monochrome (one colour).

common laser colors are

red , green and violet

brainly.com/question/18338338

biglasers.com

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1. How many particles are present in 800 grams of copper (II) sulfide, CuS? The molar mass of CuS is 95.611 g/mol.
wel
1-5.037077324x10^23

Use these magic triangles they will help you a lot

8 0
3 years ago
A chemist prepares a solution of magnesium chloride MgCl2 by measuring out 49.mg of MgCl2 into a 100.mL volumetric flask and fil
Flura [38]

Answer:  Molarity of Cl^- anions in the chemist's solution is 0.0104 M

Explanation:

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

Formula used :

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

where,

n= moles of solute

Moles=\frac{\text{Given mass}}{\text{Molar mass}}=\frac{0.049g}{95g/mol}=5.2\times 10^{-4}moles  

V_s = volume of solution in ml = 100 ml

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

Molarity=\frac{5.2\times 10^{-4}moles\times 1000}{100ml}=5.2\times 10^{-3}mole/L

Therefore, the molarity of solution will be 5.2\times 10^{-3}mole/L

MgCl_2\rightarrow Mg^{2+}+2Cl^-

As 1 mole of MgCl_2 gives 2 moles of Cl^-

Thus 5.2\times 10^{-3}  moles of MgCl_2 gives =\frac{2}{1}\times 5.2\times 10^{-3}=0.0104

Thus the molarity of Cl^- anions in the chemist's solution is 0.0104 M

6 0
3 years ago
Which of the following is the correct chemical equation and is properly balanced for:
lbvjy [14]

Answer:are there any abc or do you have to make an answer?

Explanation:

4 0
3 years ago
What is one chemical reaction that begins with petroleum as a starting material
emmasim [6.3K]

Answer:

Thermal decomposition or cracking

Explanation:

Petroleum is a mixture of hydrocarbons which are usually formed naturally. Petroleum undergo a host of chemical reactions. One of such is thermal decomposition or cracking.

Cracking is used in the petroleum industry to covert heavy fractions to more useful lighter ones.

When petroleum is subjected to high temperature and pressure, and in the presence of catalyst, the long chain type of petroleum will decompose into more useful smaller and lighter molecules.

Example is given below:

                  C₁₅H₃₂ → C₈H₁₈ + C₃H₆ + 2C₂H₄

6 0
4 years ago
Consider the reaction H2(g) + I2(g) <-> 2HI(g). What is the reaction quotient, Q, for this system when [H2] = 0.100 M, [I2
Black_prince [1.1K]

Answer:

D. 613

Explanation:

I just had to answer it and that was the correct answer :)

(i didn't know it either so i was looking for help and then i came across someone who was struggling too so-)

7 0
3 years ago
Read 2 more answers
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