Answer: Volume of the flask is 31.34 mL.
Explanation:
Weight of empty flask 
= 56.12 grams
Weight of flask with water 
= 87.39 grams
Weight of water 
= 
= (87.39 - 56.12) grams= 31.27 grams
Density of water = 0.9976 g/mL
0.9976 grams are contained in = 1 ml of water
Thus 31.27 grams are contained in = 
ml of water.
Thus the volume of the flask is 31.34 mL.
Answer:
When atoms have fewer than 8 electrons, they tend to react and form more stable compounds.
Atoms will react to get in the most stable state possible. A complete octet is very stable because all orbitals will be full. Atoms with greater stability have less energy, so a reaction that increases the stability of the atoms will release energy in the form of heat or light. Reactions that decrease stability must absorb energy, getting hotter.
Hey there!
Ninety nine percent of the atmosphere is composed of oxygen and nitrogen! The atmosphere is composed of 78% nitrogen and 21% oxygen!
Hope it helps :D
2) a: hydroxide ion OH-
4) d
Answer:
+5
Explanation:
You use the rules for oxidation numbers to calculate that the oxidation number of N is +5.
