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Determine the hybridization about each interior atom in the following structure. Sketch the 3 dimensional structure and label the interior atoms with their corresponding hybridization. CH2CHCCCH3
What is the molar mass of the unknown solution containing 1.01 g of unknown in 17.74 g biphenyle froze at 42 degrees C. Pure biphenyl freezes at 71.0C
Calculate mass of the dye per liter Kool Aid solution C in units of grams/L, i got a molecular weight of the dye as 496.42g/mol a concentration of the dye as 1.26x10^-14 mol/L and a mass of Kool Aid of 0.566g
The value of Ka for monochloroacetic acid is 1.35 multiplied by 10-3. Calculate the pH of a 0.24 M solution of monochloroacetic acid.
List the following aqueous solutions in order of increasing boiling point: 0.121 m C6H12O6 (glucose), 0.042 m LiBr, 0.052 m Zn(NO3)2
A 0.100M (as prepared) solution of dichloroacetic acid has an observed [H30+]= .043 M. What are the equilibrium concentrations and the value of the equilibrium constant for the reaction shown?
25.0 ml of a 0.2450 M NH4Cl solution is added to 55.5ml of 0.1655 M FeCl3. What is H concentration of chloride ion in the final solution.
A weather ballon is filled with helium to a volume of 305L at 28 degree celcius and 751 mmHg . The ballon ascends to and altitude where the pressure is 504 mmHg and temperature
Calculate [OH-] and pH in a solution in which dihyroden phosphate ion, H2PO4-, is 0.355M and hydrogen phosphate ion, HPO4 2- is
How many atoms of 90Sr are in a 220.0 mL glass of milk with 1.25 Bq/L of 90Sr radioactivity? (The half life for the beta decay of strontium
Calculate the grams of solute needed to prepare each of the following solution. 5.5L of a 0.60M KCI solution.
how many grams of water were in the sample?a 45- piece of ice at 0 is added to a sample of water at 12. all of the ice
Given the following thermochemical equation, calculate the heat (in kJ) involved in decomposing 18.0 g of water to give one mole of (g). 2H2 + O2 ---> 2H2O change in heat is -571.6 Kilojoules a. 286 b. 572 c. 1143 d. -572 e. -286
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