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Dima020 [189]
3 years ago
12

PLEASE HELP FAST!! BRAINLEST AND 30 POINTS

Chemistry
1 answer:
Natasha_Volkova [10]3 years ago
6 0

b - the repulsion of the protons is decreasing.

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What element is Column 1, period 3
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Sodium (Na)

Explanation:

The element on the periodic table at Column (group) 1, period 3 is Sodium (Na)

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Which of the following is NOT a characteristic of metals?
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N2+3H2-2NH3
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102 grams of ammonia is formed when 3 moles of nitrogen and 6.7 moles of hydrogen reacts.

Explanation:

The equation given is of Haeber's process in which the nitrogen is limiting factor in the ammonia formation and hydrogen if in excess gets delimited.

We know that 1 mole of Nitrogen gives 2 moles of ammonia.

We have 3 moles of nitrogen here,

So, 6 moles of ammonia will be form

so from the formula

no of moles=mass/atomic mass

           mass= no. of moles*atomic mass

                     = 6*17

                       = 102 grams of ammonia will be formed.

So, 6 moles or 102 grams of ammonia is formed when 3 mole of nitrogen and 6.7 mole of hydrogen reacts.

7 0
3 years ago
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