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Compare as well as discuss the size of an ion with respect to the covalent atomic radii of the corresponding atom. Do this discretely commentating on comparison of both the metal atom and its corresponding cation also the nonmetal atom compared to its corresponding anion.
Write balanced net ionic equation for the reaction between hydrobromic acid and potassium hydroxide.
Define how many grams of the excess reactant are left over according to the reaction below given that you begin with 10.0 g of Al and 19.0 grams of O2
Using activity coeffient, calculate the pH of a 0.001M HCl solution. If you add a 0.010M solution of NaCl to this solution, will the pH increase, decrease or remain the same
What is the solubility of BaF2 (Ksp = 1.8x10-7) in pure water in grams per liter? The molecular weight of BaF2 is 175.
column of air with a pressure of 1.57 *10^5 Pa and an area of 1.15 m^2 and given that the acceleration due to gravity is 9.8 m/s^2, what is the mass of this column?
You need to produce a buffer with pH = 4.1 by dissolving a weighed amount of sodium formate (FW = 68.0072) in 500-mL of 0.45-M formic acid
a smaller amount of A would remain in the water than if the solution were extracted with one 50mL portion of diethyl ether.
A student failed to standardize his NaOH solution with KHP. Instead, he calculated the NaOH solution concentration from the mass of NaOH his laboratory instructor dissolved to prepare the solution.
A 376 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 630. mmHg. Calculate the moles of Ar present
c5h12, to Co2 and H20 is -3536.3 kJ/mol. What is the enthalpy of formation of pentane at 25 degrees celcuius?
A beaker with 170 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 8.70 mL of a 0.370 M HCl solution to the beaker.
A 11.90 mL sample of this stock solution is added to 52.50 mL of water. Calculate the concentration of ammonium ions and sulfate ions in the final solution.
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