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Inorganic Chemistry
calculate the number of molecules and number of atoms present in 5.60l of ozone at n.t.p
Inorganic Chemistry
A balloon is filled to 0.5 L at STP with helium. If the balloon is placed into a vacuum refrigerator at 500 torr and -40 C, what will the new volume be?
Inorganic Chemistry
What is the density of 5 moles of argon at 790 torr and 75 F?
Inorganic Chemistry
At STP, 50 mL of isopropanol (C3H7OH, density: 0.786 g/mL) is combusted in the presence of 2 L O2. Which starting material remains after the reaction and what is the remaining volume?
Inorganic Chemistry
1.Nitrogen and phosphorus have in the outer layer: (what is the correct answer)
a) 1 e- b)3e- c) 5 e- d) 7e-
2.Nitrogen is part of the period : (what is the correct answer)
a) 1 b)2 c)3 d)4
3. Nitrogen and phosphorus show: (what is the correct answer)
a)similar chemical peculiarity
b)different chemical peculiarity
c)the same chemical peculiarity
d)amphotere peculiarity
a) 1 e- b)3e- c) 5 e- d) 7e-
2.Nitrogen is part of the period : (what is the correct answer)
a) 1 b)2 c)3 d)4
3. Nitrogen and phosphorus show: (what is the correct answer)
a)similar chemical peculiarity
b)different chemical peculiarity
c)the same chemical peculiarity
d)amphotere peculiarity
Inorganic Chemistry
what element is a metalloid
Inorganic Chemistry
Is H3PO4 a triprotic or diprotic acid, if it is a trprotic acid, then how do we explain its reaction with sodium hydroxide? i.e. H3PO4 + 2NaOH == Na2HPO4 + 2H2O.
Inorganic Chemistry
what is the mass of silver nitrate that can be prepared from 1.00g of copper metal?
Inorganic Chemistry
Suppose you pour 20 mL of silver nitrate into a beaker with 80 mL of water (H20) in it. You
also pour 20 mL of silver nitrate into a separate beaker, but this one contains 80 mL of salt
water (NaCl). Is the percent strength of the silver nitrate the same in both of these solutions?
also pour 20 mL of silver nitrate into a separate beaker, but this one contains 80 mL of salt
water (NaCl). Is the percent strength of the silver nitrate the same in both of these solutions?
Inorganic Chemistry
for the reaction:2NO(g)+2H2(g)+<--->N2(g)+2H2O(g) at equilibrium in a 2.0L container at 25C. Suppose 3.00 moles of each component is put into the container. At equilibrium, 2.00 moles of NO is present. What is Kc for the reaction at this temperature? Do I set up an ICE chart? Please show me how you got this anwer. Thank you.
