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What is the difference between dipole or nonpolar molecular? what is the bond angles of a triagonal piramidal, a bent and a linear bond angles?
Write a balanced chemical equation for the reaction between CN - and MnO4- in basic solution. The skeleton ionic reaction is given below.
Which is the correct arrangement of types of radiation when ordered in decreasing energy per photon. a. Radio waves, microwave radiation, ultraviolet light, X-rays
From the concentration of the red dye and the total volume of the combined fractions, calculate the number of moles of red dye in your 5.0mL sample.
Liquid helium at 4.2 K has a density of 0.147 g/mL. Suppose that a 1.00-L metal bottle that contains air at 98K and 2.0 atm pressure is sealed off. If we inject 60.0 mL of liquid helium and allow the entire system to warm to room temperature
Order the following elements according to decreasing electronegativity: C, Ca, Cs, Cl, Cu.
mercuryii oxide decomposes on heating to elemental mercury and oxygen. if 56.0 g of mercuryii oxide is heated and 26.0
A titration was performed at 25 degrees C and the Ksp of a slighlty soluble salt was determined to be 1.5×10-4. Calculate the standard Gibbs Free Energy of this salt. R = 8.314 J/mol-K
How many 325 mg aspirin tablets are needed for a 120 lb. patient if the recommended dose is 6.50 mg of aspirin per Kg of body weight. How many molecules does the patient ingest
lithium iodide has a lattice energy of -730 kjmol and a heat ofhydration of -793 kjmol. determine how much heat is
Copper (II) oxide can be reduced to copper metal by heating in a stream of hydrogen gas:CuO(s) +H2(g) -heat--> Cu(s) +H2O(g)
She then took 15.0 mL of the stock solution and diluted it with enough water to make 65.0 mL of a final solution. What is the concentration of KOH for the final solution.
the Brackett series of hydrogen has a wavelength of 2626 nm. From what state did the electron originate
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