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Rank the subsequent ions in order of decreasing radius: Li+, Na+, K+, Rb+, and Cs+. Utilize the periodic table as necessary. Rank from largest to smallest radius. To rank items as equivalent, overlap them.
Pretend that the HCl of this reaction is used in the neutralization of 45mL of a solution of Ga(OH) 3. What was the molarity of the Ga(OH)3 solution
3 compounds xyz were found to contain the same empirical formula that is the same number of c ho. however compound x
question if we assume the earths orbit around the sun to be circular with a radius of 93 million mi how many miles does
Consider another expandable balloon is filled with nitrogen gas. The density of the gas is 1.24 g/L and the outside pressure is 1.05 atm. What is the temperature of the gas?
Given 174 mL of a buffer solution that is 0.23 M formic acid and 0.28 M sodium formate, calculate the pH of this solution after the addition of 1.93 mL of 5.2 M sodium hydroxide. The Ka of formic acid is 1.8x10-4
A material contains a high concentration of BaO and Al2O3. If its composition were changed to reduce the BaO concentration, and increase the SiO2 concentration. Would viscosity at some given temperature be higher or lower with the new concentratio..
For each pair of substances below, which one will have the higher molar entropy. Justify each choice with a brief explanation. Which substance has greater molar entropy. Why is its entropy greater
How many Joules of energy are stored in 1 pound (454 g) of sucrose? (Assume: Pressure = 1 atm, Temperature = 25°C; the respective ?Hf° for the reactants and products can be found in the thermodynamic table linked above. Show your calculation
What mass of Al (26.89 amu) is consumed when 800. kJ of heat are released by the following reaction? 2Al(s) + Fe2O3(s) -> 2Fe(s) + Al2O3(s) deltaH = -850. kJ
Mathematically determine which acid contributes a larger concentration of H3O+ ions into the solution, be sure to report the H3O+ concentrations for both, label them clearly, and identify which substance creates a larger concentration?
Give two examples for each category of the following Redox reactions. Show molecular equations if the reaction does not occur in aqueous solution, and net ionic equations if the reaction occur in aqueous solution.
Calculate the percentage ionization of nitrous acid in a solution that is 0.222 M in nitrous acid (HNO2) and 0.278 M in potassium nitrite (KNO2). The acid dissociation constant of nitrous acid is 4.50 E -4. which E is an exponential of 10.
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