B. Molecules in both the metal and the surrounding air will start moving at higher speeds.
Group 1: alkali metals.
Group 2: alkaline earth metals.
Group 11: coinage metals (not an IUPAC approved name)
Group 15: pnictogens (not an IUPAC approved name)
Group 16: chalcogens.
Group 17: halogens.
<span>Group 18: noble gases.</span>
B. It does not change the chemical composition of water.
Basically, ice is water before it became ice. So basically, it just returned to it's original state and form.
Answer:
10.0g of solute before reaching saturation
Explanation:
A saturated solution is the solution that contains the maximum amount of solute that can be dissolved. In the problem, you can have
50.0g of solute / 500.0g Solvent
Now, in 800.0g solvent you can dissolve:
800.0g Solvent * (50.0g solute / 500.0g Solvent) = 80.0g of solute can be added
As you dissolve initially 70.0g of solute. You can add:
80.0g - 70.0g =
<h3>10.0g of solute before reaching saturation</h3>
Answer:
Water has 18 grams per mole so 9 grams is 0.5 moles of water. There are 6.022* 10^23 molecules in a mole. Each water molecule contains one oxygen and two hydrogens.