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irfan
Questions (7)
ist is 8=56 equal and 7=42 ,6=30,5=20
3=?
1 answer
355 views
A sample of compound containing boron and hydrogen contains 6.444 g of B and 1.803 g of H. The molar mass of the compound is
2 answers
3,674 views
1.A scuba diver's tank contains 0.29 kg of O2 compressed into a volume of 2.3 L.
a)Calculate the gas pressure inside the tank
1 answer
1,169 views
1. The percent composition by mass for peroxyacylnitrate (PAN) is:19.8% C,2.5% N, and the rest is oxygen. Determine the
1 answer
493 views
1. Consider the following reaction:
Pb(NO3)2+KI--> Pbl2 +KNO3 in theis experiment, 12.0g of Kl is reacted with 20.5g of Pb(NO3)2.
2 answers
1,335 views
draw the Lewis structure for the following compounds,and predict the molecular shapes.
a) water,H2O b)Oxygen gas,O2 c)Ammonia,
1 answer
673 views
Is it possible to make acetic anhydride from acetic acid/glacial?
0 answers
445 views
Answers (1)
dear sir, can you give example more specific...i'm struggle hard to understand it but still not get it..i'm strongly weak for this subject..plz
