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The quantum number that defines the probable distance an electron is from the nucleus is the what?
Calculate the equilibrium constant, K. (e) Which side of the reaction (reactants or products or neither) is favored structurally?
What is the molality of a solution of aluminum nitrate that contains 31.0 g of Al(NO3)3 dissolved in 295.0 g of water? Use molar masses with at least as many significant figures as the data given. What is the molality of each of the ions in soluti..
The density of the metal is 8.785 g/cm3 and the specific heat of the metal is 0.425 J / g oC. If the metal foil absorbs 864.7 J of heat as its temperature changes from 21.32 oC to 34.80 oC, calculate the thickness of the metal foil in mm.
When electrical current of unknown magnitude is run through the device for 3.50 min, 16.1 mL of water-saturated H_2(g) is collected. The temperature and pressure of the system are 25 degreesCelsius and 715 torr.
A sample of c3h8 has 6.56 x 10^24 H atoms. How many carbon atoms does the sample contain. what is the total mass of the sample
if 4.50g of methane gas is introduced into an evacuated 2.00 L container at 35 celcuis what is the pressure in the container?
A compound is 40.0% C, 6.70% H, and 53.3% O by mass. Assume that we have a 100 g sample of this compound. The empirical formula of this compound is CH2O.
Elimination competes with substitution. write an equation for the elimination reaction of 2 chloro 2 methylpropane in water
When an ion-selective electrode for X was immersed in 0.0740 M XCl, the measured potential was 0.0310 V. What is the concentration of X when the potential is 0.0460 V
Write both an equation using Lewis structures and a balanced chemical equation for the following reactions. Silicon atoms and chlorine molecules.
how could you use IR spectroscopy to identify which alkene is in which vial? How do you determine what the wavenumber values are for specific compounds/ elements?
A total of 2.00 molof a compound is allowed to react with water in a foam coffee cup and the reaction produces 106g of solution. The reaction caused the temperature of the solution to rise from 21.0c to 24.7c.
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