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LenKa [72]
4 years ago
6

Hello, can someone pls help me ty!​

Chemistry
2 answers:
Anuta_ua [19.1K]4 years ago
8 0
The answer is A. hope this helps:)
Rudiy274 years ago
4 0

Answer:

The answer is A

Explanation:

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What is your calculated density of water at R.T.?
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Giving brainliest ✅✅
34kurt

Answer:

A

Explanation:

A common example of heterogeneous catalysis is the hydrogenation reaction of simple alkenes. The conversion of ethene (C2H4) to ethane (C2H6) can be performed with hydrogen gas in the presence of a metal catalyst such as palladium (“Conversion of Ethene to Ethane with Hydrogen and a Metal Catalyst”).

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How many atoms of gold are in 112 grams of gold?
ikadub [295]
Atomic <span>mass gold  = 196.96 u.m.a

196.96 g ------------------ 6.02x10</span>²³ atoms
112 g ---------------------- ( atoms)

atoms = 112 x ( 6.02x10²³) / 196.96

atoms = 6.74x10²⁵ / 196.96

= 3.42x10²³ atoms

hope this helps!
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