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ser-zykov [4K]
3 years ago
7

How many atoms are present in 2g of hydrogen gas​

Chemistry
1 answer:
RSB [31]3 years ago
4 0

Answer:

2 because if you look on the periodic table the number of the element tells you how many atoms is in it

Explanation:

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Would you expect the wavelength of maximum absorbance for [Cu(NH3)4]2+ to be greater than or less than the wavelength of maximum
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I− < Br− < S2− < Cl− < N3− < F−< NCO− < OH− < C2O42− < H2O < CH3CN < NH3 < NO2− < PPh3 < CN− < CO

Then NH3 makes the ΔOh higher and it requires a higher energy light to make the transition, which means a shorter wavelength.

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