Answer:
12.4g of water has 0.689 moles of water.
Explanation:
Molar weight of = 16 + 2 = 18g
One mole of weighs 18g.
Hence, 12.4g of water has 0.689 moles of water.
Answer:
The answer should be A
Explanation:
A control is basically something to compare the experiment to. In other words, to see how the object does on its own versus how it would do with added substances
Answer:
1,4 mol
Explanation:
2 mol of Al reacts with 3 mol of FeO so for 2.1 mol of FeO you need 2 x 2.1 / 3 = 1.4mol
Amount Remaining Years #half lives
100g 0 0
50 g 100 1
25g 200 2
11- Form of energy that can be reflected or emitted from objects through electrical or magnetic waves.
12-Energy that is caused by moving electric charges.
13-Energy stored in the bonds of chemical compounds.
I only know those. Sorry hoped I helped a little! :)