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aleksklad [387]
3 years ago
10

HELP PLZ !!!!! !!!!

Chemistry
1 answer:
bezimeni [28]3 years ago
7 0

Answer:

D

Explanation:

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When performing physical exercise, the heart rate, by what percentage can it be increased?
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10

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?<br> Which of the following correctly describes an acidic solution at 25°C?
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The two most abundant elements in earth's core are ?
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4 years ago
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The reaction between ammonia and oxygen is given below:
anyanavicka [17]

Answer:

N2O(g) + 3 H2O(l) ---------------> 2 NH3(g) + 2 O2(g)

Explanation:

If we look at the reaction stated in the question, we will notice that the option chosen in the answer is the reverse of that reaction.

One thing is clear, if a reaction is possible, then its reverse reaction is equally possible. The equilibrium position may shift towards the forward or reverse reaction based on the conditions of the reaction.

Hence if the reaction, 2NH3(g) + 2O2(g) → N2O(g) + 3H2O(l) is possible, then the reaction, N2O(g) + 3 H2O(l) ---------------> 2 NH3(g) + 2 O2(g) is also possible.

4 0
4 years ago
Count the number of bonding pairs and the number of ione pairs around the left chlorine atom
brilliants [131]

Explanation:

I think

Bonding pairs = 4

Lone pairs around the left chlorine atom = 9

7 0
3 years ago
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