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Solid potassium nitrate is decomposed by heating to give potassium nitrite and oxygen gas. If 1.00g of potassium nitrate is heated, what is the milliliter volume of oxygen gas at STP?
Lucite is 71.4% carbon, 9.59% hydrogen, and 19.01% oxygen. What is the empirical formula for Lucite?
Calculate the H+ ion concentration in a 8.8 × 10-4 M Ca(OH)2 solution. A) 8.8 × 10-4 M D) 1.1 × 10-11 M B) 1.8 × 10-3 M E) 5.7 × 10-12 M C) 2.2 × 10-11 M
calculate the mass of oxygen dissolved in a 5.00 l bucket of water exposed to a pressure of 1.13 atm of air. assume the
If I calculate avogadro's number using the mass gain of copper at the cathode rather than by using the mass loss at the anode, what sort of differences can I expect if any
Which of the following would you expect to be a molecule and which would you expect to be part of an ionic solid. Drag the appropriate compounds to their respective bins. CO, NO, LiCl, HBr, BaS, RbCl, SrO, LiBr
The mass spectrum of an organic compound shows the relative abundances of M to be 34.83% and M 1 to be 6.027%. Assuming the peaks are caused by 12C and 13C isotopes
Design a qualitative analysis scheme
how many moles of hno3 are present in 34.8 ml of a 2.20 m solution of nitric
Write an orbital diagram for the ground state of the Calcium atom. Is this atomic substance diamagnetic or paramagnetic
The relative humidity of air is equal to the ratio of the partial pressure of water in the air to the equilibrium vapor pressure of water at the same temperature
Seven tiny spheres of liquid mercury each have a diameter of 2 millimeters. They are now added together and coalesce into one larger drop. What is the diameter of this larger drop?
WHen 1.187g of a metallic oxide is reduced with excess hydrogen, 1.054g of the metal is produced. What is the metallic oxide
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