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Which geometry and central atom hybridization would you expect in the series BH4-, CH4, NH4+? (b)What would you expect for the magnitude and direction of the bond dipoles in this series
Would the pH of a 0.10 M formic acid (HCOOH) solution be higher or lower than the pH of a solution containing 0.10 M formic acid and 0.10 M sodium formate
What is the heat change per mole of CaCl2 dissolved in water? Assume that all the heat is absorbed by the water. (c = 4.18 J/g C)
determine partial pressure and number of moles of each gas in a 17.25 L vessel at 30 degrees celsius containing a mixture of xenon and neon gases only.
In 2.00 min, 29.8ml of He effuse through a small hole. Under the same conditions of pressure and temperature, 9.85ml of a mixture of CO and CO2 effuse through the hole in the same amount of time. Calculate the percent composition by volume of the ..
calculate the value of Keq at 298 K for each of the following reactions
During an experiment assume that you used a 0.560g piece of pure aluminum in the synthesis of alum and collected 5.255g of dry alum. what is your percent yield of alum?
Here are the solubilities of a particular solute at two different temperatures. Temperature (c) Solubility (g/100 g h2o) 20.0 42.0 30.0 86.0 Suppose that you have made a saturated solution of this solute using 47.0 g of water at 20.0 °C. How much ..
The chiral carboxylic acid A (C5H6O2) reacts with 1 mol of hydrogen gas on catalytic hydrogenation. The product is an achiral carboxylic acid B (C5H8O2). What are the structures of Compounds A and B?
Ethylene glycol, C2H4(OH)2, is the main component of antifreeze. What mass percentage of ethylene glycol in water must be used to reduce the freezing point of the mixture to -9.34 deg-C? (K_fp for water is -1.86 deg-C/m).
Explain solubility rules used to predict precipitation reactions. Predict if precipitation occurs in the mixing reactions of the following aqueous solutions
If 2.55 g of NaOH were added to a 100.0 mL solution containing 0.10 M Ca(NO3)2, what concentration of Ca 2+ remains in solution?
The Ka of a monoprotic weak acid is 6.08 × 10-3. What is the percent ionization of a 0.187 M solution of this acid
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