Formula: Molarity = <span>Amount
of substance (in moles)/Volume of solution (in litres)</span>
40.0⋅g<span>/40</span>⋅<span>g⋅</span><span><span>mol</span><span>−1</span></span> ÷ (1.50⋅L) = 0.667 <span>−1</span>
sodium hydroxide.
The Molarity of
40 grams of Sodium Hydroxide in 1.50L of solution is 0.667 mol*L-1
<span> </span>
Answer:
irreversible chemical change
Explanation:
A chemical change always results in a new substance and as it is not possible to reverse it, it is an irreversible chemical change.
I hope you understood :)
Answer;
C. it is the part f the atom with the greatest mass
Explanation;
The nucleus of an atom is a small dense region at the center of an atom that contains protons and neutrons.
Almost all the mass of an atom is located in the nucleus, with a very small contribution from the electron shells.
The protons are positively charged which gives the nucleus a positive charge while the neutrons have no charge.
Answer:
When you heat a gas, both its vapor pressure and the volume it occupies increase. The individual gas particles become more energetic and the temperature of the gas increases. At high temperatures, the gas turns into a plasma.
Explanation:
