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How many electrons has a titanium atom lose if it has formed the ion Ti^4+? What are the total number of protons and electrons in a Ti^4+ ion?
Most transduction systems for hormones and sensory stimuli that involve trimeric G proteins have in common all of the following except
total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 149 g of solution. The reaction
what is the atomic radius of carbon. calculate length, continuous chain of 18 carbon atom
Calculate K for 2 NO(g) + O2(g) 2 NO2(g) from the observation that when equilibrium is established at 500 K, there are 0.190 moles NO2, 2.65 X 10-4 moles NO, and 0.606 moles O2 in a volume of 0.759 liters.
Calculate the amount of vitamin C in mg that are titrated by one milliliter of the 0.05N iodine solution.
The products were collected and had the following masses: CO2: 1.707 g N2: 0.136 g H2O: 0.7859 g For this compound (CaHbOcNd) what are the integers a,b,c and d in the empirical formula
In a certain industrial process involving a heterogenous catalyst, the volume of the catalyst (in the shape of a sphere) is 10.0cm cubed. If teh sphere were broken down into eight spheres each having a volume of 1.25cm cubed
Calculate the partial pressure of ammonia at equilibrium when a quantity of ammonium idodide in heated to 400 degree C.
A 0.204-g sample of a CO3^2- antacid is dissolved with 25.0 mL of 0.0981 M HCl. The hydrochloric acid that is not neutralized by the antacid is titrated to a bromophenol blue endpoint with 5.83 mL of 0.104 NaOH.
If a pure R isomer has a specific rotation of -120.0 degrees, and a sample contains 81.0% of the R isomer and 19% of its enantiomer, what is the observed specific rotation of the mixture
As gas expands from 1.00 L to 2.50 L against constant pressure of 820 torr. Calculate the change in internal energy for the gas, if 120 J of heat is transferred to the gas during the expansion.
When aqueous solutions of lead( II) ion are treated with potassium chromate solution, a bright yellow precipitate of lead( II) chromate, PbCrO4, forms
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