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xxMikexx [17]
3 years ago
12

Which part of the wave does the arrow point to?

Chemistry
1 answer:
AlekseyPX3 years ago
7 0
I think it’s gonna be D
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When heated to 700–800 °c, diamonds, which are pure carbon, are oxidized by atmospheric oxygen. (they burn!) write the balanced
Varvara68 [4.7K]
Hello!

The balanced chemical equation for the oxidation of diamonds is the following one:

C(s) + O₂(g) → CO₂(g)

As simple as that! You see, Diamonds are an allotropic form of pure carbon. Allotropic forms are different arrangements of atoms. In graphite, the C atoms are arranged in layers like paper sheets, and in diamond, the C atoms are arranged in a tetrahedral structure, which gives them their hardness and their thermal and electrical properties. Burning diamonds would be the same as burning elemental carbon and the chemical equation is the one shown before. 

Have a nice day!
7 0
3 years ago
You need to make an aqueous solution of 0.243 M iron(III) chloride for an experiment in lab, using a 125 mL volumetric flask. Ho
irakobra [83]

Answer:

5 g

Explanation:

From the question, we have,

Molarity of FeIII solution= 0.245 M

Volume of solution = 125 ml

From

number of moles= concentration × volume

We have;

Number of moles= 0.245 M × 125/1000

Number of moles = 0.031 moles

Molar mass of Fe III = 162.5g/moles

Mass of iron III = number of moles× molar mass = 0.031 × 162.5= 5 g

n

3 0
4 years ago
PLEASE HELP: You have been given 0.507 moles of cesium fluoride (CsF), determine the mass in grams of cesium fluoride that you h
Degger [83]

Answer:

C because 77.0 CsF

Explanation:

That is the correct answer because I have that homework and i got it right

5 0
2 years ago
Which type of energy transformation comes from electric heater?​
ivolga24 [154]

Answer:

electric energy ---> heat energy or A.

Explanation:

the name says it all

3 0
3 years ago
Read 2 more answers
Please somone help me with a chemistry question brainliest to whoever answers correctly and 20 points
Free_Kalibri [48]

523.15

brainliest please

I answerd

6 0
3 years ago
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