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When the following two solutions are combined, a precipitate forms. CaCl2(aq) Rb3PO4(aq)Which of these is TRUE concerning the total ionic equation for the process?
a. RbCl2 is the precipitate that forms.
b. RbCl is the precipitate that forms.
c. Rb+ is a spectator ion.
d. Ca2+ is a spectator ion.
e. None of these is correct.
A sample of pure (1 chloroethyl) benzene had a specific rotation of 87.2 degrees, while pure R 1 chloro-1-phenyl ethane has a specific rotation of -109 degrees. This sample was reacted with excess ammonia in diethyl ether at 0 c.
what wind flow rate entering the canyon would produce a pollutant concentration greater than 0.0025 gmol/ft^3 in the air coming out of the canyon?
This Tetris ice cube game is available to play as long as the ice cubes remain ice. The game pieces weigh 178 g, and the heat capacity of the room air,
Assuming electrons with quantum numbers (n,l,mt,ms), how does an electron with the quantum numbers (2,1,1+1/2) differ from an electron with quantum numbers (2,1,-1,+1/2)?
whole bunch of different PE diagrams and I'm asked which one is the highest temperature dependent and which one is the lowest
A solution containing 82.0 g of ascorbic acid dissolved in 230 g of water has a density of 1.22 g/mL. Calculate the molarity of ascorbic acid in the solution.
The temperature of the mixture is 0? , and the total pressure is 1.00 atm . How many grams of helium are present in the gas mixture? Mass of He =?
When a 1.90 mg sample of methane burns in excess oxygen, how many grams of water and carbon dioxide are formed?
A plant engineer has to keep the pressure of chlorine in the tank below 85.0 atm for the plant to operate under conditions of pressure maxima. How many molecules of Cl2 gas will be present in the tank of 225 gallons to 25 Celcius.
A phosphorous acid buffer needs to be prepared to a pH of 5.92; given a 120mL solution of 25mM phosphorous acid, how many milliliters of either 0.5M KOH or 0.4M HCl will need to be added
Acetylene gas (C2H2) is produced by adding water to Calcium carbide CaC2. How many grams of acetylene are produced by adding water to 5g CaC2?
An unknown compound contains only carbon, hydrogen, and oxygen.Combustion of 5.50 of this compound produced 8.07 of carbon dioxide and 3.30 of water.
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