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Mumz [18]
3 years ago
12

If there are 40 mol of NBr3 and 48 mol of NaOH , what is the excess reactant ?

Chemistry
2 answers:
tekilochka [14]3 years ago
5 0
2NBr₃ + 3NaOH = N₂ + 3HOBr + 3NaBr
40 mol    48 mol

NBr₃:NaOH = 2:3

40:48 = 2:2.4 = 2.5:3

NBr₃ is the excess reactant
Paul [167]3 years ago
3 0

Answer:

NBr3

Explanation:

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1. Potassium, K.

2. Calcium, Ca.

3. Gallium, Ga.

4. Carbon, C.

5. Bromine, Br.

6. Barium, Ba.

7. Silicon, Si.

8. Gold, Au.

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Atomic radius can be defined as a measure of the size (distance) of the atom of a chemical element such as hydrogen, oxygen, carbon, nitrogen etc, typically from the nucleus to the valence electrons. The atomic radius of a chemical element decreases across the periodic table, typically from alkali metals (group one elements such as hydrogen, lithium and sodium) to noble gases (group eight elements such as argon, helium and neon). Also, the atomic radius of a chemical element increases down each group of the periodic table, typically from top to bottom (column).

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1. Li or K: the atomic radius of lithium is 167 pm while that of potassium is 243 pm.

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8. Fe or Au: the atomic radius of iron is 156 pm while that of gold is 174 pm.

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2 years ago
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