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Luda [366]
3 years ago
9

4. Which of the following elements does NOT belong to

Chemistry
1 answer:
marusya05 [52]3 years ago
7 0
========== tellurium Te
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Nitrous oxide (n2o), or laughing gas, is commonly used as an anesthetic in dentistry and surgery. how many moles are present in
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V(N₂O) = 8.4 L.

V(N₂O) = n(N₂O) · Vm.

Vm = 22,4 L/mol.<span>
n</span>(N₂O) = V(N₂O) ÷ Vm.

n(N₂O) = 8.4 L ÷ 22.4 L/mol.

n(N₂O) = 0.375 mol.<span>
Vm - molare volume on STP.</span>

5 0
3 years ago
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You are given a cube of pure copper when you calculate the density using
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