We are given with the mass of Arsine (
The mass of arsine is 15g
there is a relation between moles, mass and molar mass of any compound which is
The molar mass of Arsine = atomic mass of As + 3X atomic mass of H
the molar mass of Arsine = 74.92 + 3X 1 = 77.92 g/mol
Let us calculate the moles as
The difference between renewable and non-renewable resources is that renewable resources are being made faster, and we have an infinite supply of them, while non-renewable resources take longer to make(like millions of billions of years) and therefore run out easily.
Renewable resources are like solar, hydro, and wind energy. They are basically impossible to get rid of.
Non-renewable resources are like coal. It takes a long time to make and is nearly run out.
The difference is that renewable resources can be remade, on the other hand non renewable cannot be remade
A.
Selective breeding is driven by the environment, but natural selection is driven by humans.
B.
Selective breeding is driven by humans, while natural selection is driven by the environment.
C.
Selective breeding selects for favorable traits, but natural selection does not.
D.
Natural selection selects for favorable traits, but selective breeding does not.
Answer:
Explanation:
1 gallon equals 3,785 liters.
How many liters are in 30 gallons?
We apply a simple rule of three to solve it
Answer: I think it is: 113.5624 Liters of gas
Explanation:
Answer:
Susana's red crystal sample is a compound because it was broken down into a gas and blue powder. It is not an element because elements cannot be broken down into simpler substances by ordinary means, such as heating.
Explanation:
The red crystals heated by Susana are a compound because they released a gas and turned into a blue powder when heated, indicating a chemical change.
The sample of red crystals that Susana heated up is a compound, not an element. We can come to this conclusion because when the sample was heated, a gas was released and a different substance, a blue powder, was left behind.
This indicates a chemical change had occurred, where the original substance decomposed into different substances. Compounds are known to break down into simpler substances or elements under certain conditions.
An example similar to this would be when blue copper sulfate loses water and becomes white upon heating, or when mercury(II) oxide is heated and decomposes into mercury and oxygen.
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1, 2, 3
B.
1, 3, 2
C.
3, 1, 2
D.
2, 3, 1