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nikitadnepr [17]
3 years ago
13

Atoms of the same element that have the same number of protons but different number of neutrons are called_____.

Chemistry
2 answers:
Nookie1986 [14]3 years ago
8 0
The answer is isotopes. They have same protons but different amount of nuetrons

Lena [83]3 years ago
7 0
They are called isotopes. I believe but I'm not really sure
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10) an object has mass of 50g 500mg and 0.1g. express the total mass of the object in grams
Pavel [41]
500 mg in g :

1 g ----------- 1000 mg
? -------------- 500 mg

500 x 1 / 1000 => 0.5 g

total mass:

50 g + 0.5 g + 0.1 g => 50.6 g

hope this helps!
8 0
3 years ago
choose a reasonable mechanism for the formation of cyclohexylbenzene from the reaction of benzene, cyclohexene, and sulfuric aci
vagabundo [1.1K]

The reasonable mechanism for the formation of cyclohexylbenzene from the reaction of benzene, cyclohexene, and sulfuric acid is Friedel craft alkylation.

In the Friedel craft alkylation cyclohexylbenzene from the reaction of benzene, cyclohexene, and sulfuric acid. in the first step the cyclohexene produced carbocation in the presence of sulfuric acid by protonation. in the second step the `the carbocation undergoes nucleophilic by the benzene ring and produced cyclohexylbenzene. this is the mechanism  followed in the formation of the cyclohexylbenzene by the Friedel craft alkylation.

Thus, The reasonable mechanism for the formation of cyclohexylbenzene from the reaction of benzene, cyclohexene, and sulfuric acid is Friedel craft alkylation.

To learn more about Friedel craft alkylation here

brainly.com/question/17330247

#SPJ4

4 0
1 year ago
Which of the following diagrams shows a pure substance that is composed of only individual atoms and not molecules?
Damm [24]

Answer:

Ar

Explanation:

the last one

8 0
3 years ago
Propane reacts with 3.15moles of oxygen how much propane reacts with oxygen​
Inessa [10]

27.7g

Explanation:

Given parameters:

Number of moles of oxygen = 3.15moles

Unknown:

Mass of reacting propane = ?

Solution:

   Equation of the reaction:

                   C₃H₈ + 5O₂   →    3CO₂    +     4H₂O

 We work from the known to the unknown parameters.

The known in this expression is the number of moles of oxygen.

   In the reaction:

                   5 moles of oxygen gas reacts with 1 mole of propane

  3.15 mole of oxgen gas will react with    \frac{3.15}{5} = 0.63moles

Number of moles of reacting propane gas is 0.63moles

To find the mass;

         mass = number of moles x molar mass = 0.63 x molar mass

molar mass of propane = (3 x 12) + (8x1) = 44g/mol

         mass of propane = 0.63 x 44 = 27.7g

Learn more:

Combustion reaction brainly.com/question/6126420

#learnwithBrainly

8 0
3 years ago
1. Balance the following equations and state the type of reaction.
mylen [45]
Coefficient:
a. 2 9 8 10
b. 1 2 2 1
c. 1 1 2 1

Hope this helped:)
6 0
3 years ago
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