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Write the structural formula for two (2) chloro-isomers that can be formed from 2-methylpropane (isobutane). How many sets of equivalent hydrogen are there in the compound 2-methylpropane?
When polymerization of a protein is complete but the protein is still completely linear, what is the highest level of structure that has been completed?
What is the pressure of the gas in this mercury manometer if h = 73 mm and atmospheric pressure
Lakes that have been acidified by acid rain can be neutralized by the addition of limestone (CaCO3). How much limestone in kilograms would be required to completely neutralize a 5.2 x 109 L lake containing 5.0 x 10-3 g of H2SO4 per liter
Use activity coefficients to find the concentration of hydrogen ions in a solution of 35.0 mM butanoic acid and 0.05 M NaCl. The ionization constant of butanoic acid is Ka = 1.52 × 10-5. Take the size of C3H7COO- to be 500 pm.
Show how to perform the following dilution using mathematics and a brief explanation of the preparation procedure. How many mL of a 3M NaOH solution would you need to measure out and dilute to make 3L of a 2.5 M NaOH solution. How many mL of water ..
the temperature derivative of the entropy at constant pressure is related to what important,measurable physical quantity? Can this quantity ever be negative?And also recall how the curvature of a surface is related to the sign of a certain derivat..
A gas occupies 74.12L at 41.2 degrees Celsius and 764 mm Hg. What will be the temperature if the gas is compressed to a volume of 44.27L and a pressure of 1002 MM Hg
Describe the error that has occured; that is , is the mass of the anhydrous salt remaining in the crucible reported as being too high or low? Explain.
Problem- The reaction below takes place in a 250.0 mL flask at 23.8 C with SO2 having an initial pressure of 0.675 atm & O2 having an initial pressure of 0.335 atm
calculate the flow rate of solution B needed to concetrate 300 ibm/hr of 55% H2SO4 (solution A) and the resulting flow rate of solution C
By combining your answers and using the average bond enthalpy for C-H (413 kJ/mol) calculate the average bond enthalpy for the carbon-carbon bonds in C6H6
At 25oC, the acid dissociation constant for hypochlorous acid HOCl is 3.5E-8. Calculate the concentration of the hydronium ion in an aqueous solution of 0.30M HOCl.
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