Answer:
<h3>When an electric current flows in a wire, it creates a magnetic field around the wire. This effect can be used to make an electromagnet . A simple electromagnet comprises a length of wire turned into a coil and connected to a battery or power supply.</h3>
Explanation:
<h2>
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Answer: nothing. It remains undissolved
Explanation: saturated = dissolved as much solute as solvent can contain
The correct answer will be b
Answer:
47.01g/mol
Explanation:
The formula of Nitrous acid is HNO₂:
The formula mass of a compound gives the sum of the atomic masses of the elements that makes up a compound.
Atomic mass of H = 1.0079g/mol
N = 14.0067g/mol
O = 15.9994g/mol
Formula mass of HNO₂ = 1.0079 + 14.0067 + 2(15.9994)
= 1.0079 + 14.0067 +31.9988
= 47.01g/mol
Answer:
it must possible to show that is wrong