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aksik [14]
3 years ago
14

If there are 94 different kinds of naturally occurring atoms how many different naturally occurring elements are there?

Chemistry
1 answer:
Delicious77 [7]3 years ago
7 0

Answer:

118 elements

Explanation:

Of these 118 elements, 94 occur naturally on Earth.

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An oxidation-reduction reaction that is also a synthesis reaction
Aleonysh [2.5K]

The example of a chemical combination that can also be said to be a synthesis reaction is; 2Mg(s) +O_{2} (g) -- > 2 MgO(s)

<h3>What is a synthesis reaction?</h3>

We know that the meaning of the synthesis reaction is quite central as we attempt to answer the question that is lying right before us here. If we are talking about the synthesis reaction then our mind must have to go to the kind of reaction in which there is the combination of two or more so as to produce a single compound.

As we are talking about the synthesis reaction, we would have to look at the reaction that would give rise to a single product as it has been written. Let us also recall that we have been told that the reaction is a  oxidation-reduction reaction thus there is a change in oxidation number in the process of the reaction as shown.

Learn more about synthesis reaction:brainly.com/question/16987748

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7 0
1 year ago
16. A sample of nitrogen gas,
Lana71 [14]

find mol of N2 present using gas law equation

PV = nRT

P = pressure = 688/760 = 0.905 atm.

V = 100mL = 0.1L

n = ???

R = 0.082057

T = 565+273 = 838

Substitute:

0.905*0.1 = n*0.082057*838

n = 0.0905 / 68.76

n = 0.00132 mol N2

Molar mass N2 = 28 g/mol

0.00132 mol = 0.00132*28 = 0.037g N2 gas

4 0
3 years ago
How many moles of carbon dioxide are produced from 8.73 moles of tristearin?​
matrenka [14]

Answer:

Explanation:

  8.73 mol                                         x mol

2 C57H110O6(S) + 163 O2(g)  --->  114 CO2(g) + 110 H2O(I)

2 mol                                               114 mol

8.78 mol (114mol/2 mol) =500.46 mol

8 0
3 years ago
if a drop of blood is 0.05 mL, how many drops of blood are in a blood collection tube that holds 6 mL?
TiliK225 [7]
There would need to be 120 drops of blood to fill a tube that can hold 6 mL.
3 0
3 years ago
What is the energy of light with a wavelength of 697 nm?
USPshnik [31]

Answer:

Red 697 nm

384thz-468 the

1.59ev-1.94ev

255zj-310zj

Hopefully I answer yre question

Explanation:

8 0
3 years ago
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