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Inessa [10]
3 years ago
12

If an element has two or more atoms with the same number of protons but different number of neutrons it is called what

Chemistry
1 answer:
Oksana_A [137]3 years ago
8 0
It’s called an isotope which is an atom with the same number of protons but a different number of neutrons
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Acetylene (C2H2), an important fuel in welding, is produced in the laboratory when calcium carbide (CaC2) reacts with water: CaC
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Answer:

There are 1.287 grams of acetylene collected

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Ideal gas law ⇒ pV = nRT

⇒ with p = pressure of the gas in atm

⇒ with V = volume of the gas in L

⇒ with n = amount of substance of gas ( in moles)

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⇒ with T = absolute temperature of the gas (in Kelvin)

888.3 torr * 1.024 L = n * 62.36 L * Torr *K^−1 *mol^−1 * 295.15 K

n = 0.04942 moles of C2H2

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There are 1.287 grams of acetylene collected

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