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lukranit [14]
2 years ago
6

Diamond is an allotrope of :

Chemistry
2 answers:
stepan [7]2 years ago
6 0

Answer:

Carbon

Explanation:

its literaly carbon

Marat540 [252]2 years ago
5 0

Answer:

carbon

Explanation:

because it is an allotrope of carbon

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Which scientist performed the cathode ray experiment leading to the discovery of electrons?
Drupady [299]
My answer -

The scientist that performed the cathode ray experiment leading to the discovery of electrons is<span> the scientist Sir Joseph John Thompson or J.J. Thompson. It was theorized after the discovery that electrons are present in the atom. In this model, the atom is composed mainly of electrons. It was describe as plum pudding because the electrons are dispersed within the atom.

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3 0
3 years ago
What is the frequency in hertz of the blue light having a wavelength of 4.25×10^-11
Anna71 [15]
It would be:  c/∧ = 3*10^8 / 4.25*10^-11 = 7.05 * 10^18 /s...
4 0
3 years ago
Consider the following equilibrium system: 3O2(g)  2O3(g); Keq = 1 Which equation compares the concentration of oxygen and ozone
Rashid [163]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

 <span>3O2(g) <--> 2O3(g); 

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So [O2]^3 = [O3]^2 

Thus A) is correct</span>
7 0
3 years ago
Read 2 more answers
Write the nuclear equation to describe the alpha decay of 243 95 Am
motikmotik

Answer:

Here's what I get.

Explanation:

Your unbalanced nuclear equation is:

_{95}^{243}\text{Am} \longrightarrow \, _{x}^{y}\text{Z} +\, _{2}^{4}\text{He}

The main point to remember in balancing nuclear equations is that the sums of the superscripts and the subscripts must be the same on each side of the equation.  

Then

  95 = x + 2, so x =   95 - 2 =    93

243 = y + 4, so y = 243 - 4 = 239

Element 93 is neptunium, so the nuclear equation becomes

_{95}^{243}\text{Am} \longrightarrow \, _{93}^{239}\text{Np} + \, _{2}^{4}\text{He}  

7 0
3 years ago
Read 2 more answers
How many number of oxygen molecules are required to produce 0.22 g of CO2 according to the reaction?
zmey [24]
The number of moles for co2=mass(g)/molar mass
n=.22/44=.005 mole of CO2
from the equation we see the relationship between the moles of co2 and O2 and we find that they have the same number of moles
So we need .005mole of O2
Multiple the number of moles with avogadro’s number to know the number of O2molecules
.005x6.022 x10^23
3 0
3 years ago
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