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List all possible bonds that can occur between the elements P, Cs, O, and H. Predict the type of bond (ionic, covalent, or polar covalent) one would expect to form for each bond.
A 343 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 625 mmHg. Calculate the moles of Ar present.
a metal weighing 50.0g absorbs 220.0 J of heat when its temperature increases by 120.0 degrees celsius. what is the specific heat of this metal?
A gas stream that contains 1.50 mole% CO2 flows through a pipeline. 20.0 kg/min of CO2 is injected into the line. A sample of the gas is drawn from a point in the line 10 meters downstream of the injection point and found to contain 2.3 mole% CO2.
The vapor pressure of water at 26 degrees C is 25.209 mmHg. How many moles of gas were collected?
All particles in the mixture have a uniform spherical radius of 0.072 mm. a) Calculate the mass of a single particle of Na2SO4 and the number of Na2SO4 particles in the mixture.
A 50.0 L cylinder contains nitrogen gas at a pressure of 21.5 atm. The contents of the cylinder are emptied into an evacuated tank of unknown volume. If the final pressure in the tank is 1.55 atm, then what is the volume of the tank
given this equation 2C4H10+13O2 yield 8CO2+10H2O how many moles of carbon dioxide is porduced from 3.85 moles of butane?
An element has a mass of 207 and has 125 neutron in its nucleus. how many protons and electrons does it have and where are they located
If two liquids A and B that both boil at 100 ºC when pure form a non-ideal, positively deviating solution, what will be the boiling point for a 50:50 mixture of A and B?
A method of analysis yields masses of gold that are low by 0.4 mg. Calculate the percent relative error caused by this result if the mass of gold in the sample is
Predict the product that is formed when methyl 2-(3-oxocyclohexyl)acetate undergoes
At 2000°C the equilibrium constant for the reaction is Kc = 2.4 103. 2 NO(g) N2(g) + O2(g) If the initial concentration of NO is 0.100 M, what are the equilibrium concentrations of NO, N2, and O2? A) [O2] _ M B) [N2] _ M C) [NO] _ M
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