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You observed the following reaction in lab: Fe(NO3)3(aq) + HSCN(aq) ? FeSCN2+(aq) + H+(aq) (The reactants are colorless; the FeSCN2+(aq) product is orange). Which of the following statements about this reaction is true? 1. When HSCN is added, you expect that the equilibrium will shift to the right and the reaction mixture will become lighter (less orange). 2. When HSCN is added, you expect that the equilibrium will shift to the left and the reaction mixture will become lighter (less orange). 3. When HSCN is added, you expect that the equilibrium will shift to the left and the reaction mixture will become darker (more orange). 4. When HSCN is added, you expect that the equilibrium will shift to the right and the reaction mixture will become darker (more orange).
The mass of an Argon atom is more than that of a Helium atom. Does that mean that because of Argon has larger mass, it exerts a higher pressure on the walls of container than Helium at the same volume, molar density and temperature? Give explanati..
Determine the numbers of moles of S8 that are required to make 0.600 moles of SF4.
A car travels at 58.0 miles per hour and gets 10.0 kilometers per liter of gasoline. How many gallons of gasoline are needed for a 1.00 hour trip.
a 2.00 kg sample of pure water at 20.0 degree celsius absorbs 3.53 kJ of heat. What is the final temperature of the water?
Calculate the number of moles of ions present in 15.1 g of a solution that is 6.30% MgSO4 by mass. What formula do you use for this problem?
What is the the structures of both products and how can you distinguished them using IR spectroscopy?
7.65.50 mL of 0.161 M HF is titrated with 0.1200 M NaOH. What is the pH after 65.50 mL of base have been added? (Ka for HF is 6.8 x 10-4)
Equilibrium constant from standard potential data, Calculate the equilibrium constants of the following reactions at 25°C from standard potential data
Hydroxylamine hydrochloride is a powerful reducing agent which is used as a polymerization catalyst. It contains 5.80 mass % H, 20.16 mass % N, 23.02 mass % O, and 51.02 mass % Cl. What is its empirical formula?
If the specific heat of aluminum is 0.214 cal/g C, how much heat would it take to increase the temperature of a 100. gram block of aluminum from 25.0 C to 75.0 C?
a 100 g sample of water at 23C is added to a 45 g sample of water at 99C. what is the final temperature of the sample
Metal X was plated from a solution containing cations of X. The passage of 48.25 C deposited 31 mg of X on the cathode. What is the mass of X (in grams) per mole of electrons.
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