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Nataly_w [17]
3 years ago
10

Compared to the charges of a proton the charge of an electron has

Chemistry
1 answer:
katrin [286]3 years ago
8 0
4 because electrons and protons have the same magnitude and electron is - and proton is +.
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QUESTION 21 The combustion of ammonia in the presence of excess oxygen yields NO 2 and H 2O: 4 NH 3 (g) 7 O 2 (g) 4 NO 2 (g) 6 H
Harrizon [31]

Answer:

The answer to your question is 47.44 g of Oxygen

Explanation:

Data

mass of Ammonia = 14.4 g

mass of Oxygen = ?

Balanced chemical reaction

                 4NH₃  +  7O₂  ⇒  4NO₂  +  6H₂O

Process

1.- Calculate the molar mass of Ammonia

NH₃ = 4[(1 x 14) + (3 x 1)] = 4[14 + 3] = 4[17] = 68 g

2.- Calculate the molar mass of Oxygen

O₂ = 7[16 x 2] = 7[32] = 224 g

3.- Use proportions to calculate the mass of Oxygen

                     68g of NH₃ --------------------- 224 g of O₂

                      14.4 g of NH₃ -----------------  x

                       x = (14.4 x 224) / 68

                       x = 3225.6/ 68

                       x = 47.44 g

5 0
3 years ago
Can a substance be a Lewis acid without being a Bronsted-Lowry acid?<br> Please argue on it
makkiz [27]

Answer:

Yes. Since for a substance to be a Bronsted-Lowry acid they have to be able to donate protons, and to be a Lewis acid a substance would have to accept electrons, there are substances which cannot donate protons but can accept electrons.

Explanation:

Hope this helped!

5 0
3 years ago
What should be the total mass of all the products of the reaction? Show your calculations or explain your answer, and include un
Slav-nsk [51]
Energy may only be transformed from one sort to another. hope this helps :)
7 0
3 years ago
Read 2 more answers
So I asked this question before but I messed it up so basically my best friend has a bf and her bf keeps messing with other girl
OleMash [197]

yeah, let her b0yfriend know what she told you and you are telling him that simply because you want to avoid problems between them.

4 0
3 years ago
How many mols of chlorine are in 120g of chlorine gas
xz_007 [3.2K]

Answer:

Number of moles of chlorine = 3.38 mol

Explanation:

Given data:

Mass of chlorine = 120 g

Moles of chlorine = ?

Solution:

Formula:

Number of moles = mass/molar mass

Molar mass of chlorine = 35.5 g/mol

Now we will put the values in formula.

Number of moles = 120 g/ 35.5 g/mol

Number of moles = 3.38 mol

6 0
3 years ago
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