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Write the net ionic equation for the interaction of an ion with water. Explain why the salt solution is acidic, basic or neutral? NaC2H3O2 Na+ + H2O -> and C2H3O2 + H2O ->
Explain how to determine exclusion limit of a gel of unknown origin.
A 2.5 L helium balloon is filled at a florist's shop. If the temperature inside the shop is 68°F, what volume will the helium occupy after being left in an automobile at 5°F in the parking lot for the day
For the unbalanced equation Cl2 ++ KI = I2 + KCl - how many moles of the second reactant would be require to react exactly with the 0.275 mole of the first reactant
carbon monoxide and 10% remains undurned. Calculate the compostion of the exhaust gas on a wet basis.
In the directions it states "weigh about 5 grams of sodium chloride". Give minimum and maximum amounts of sodium chloride that would satisfy these instructions.
A mixture is prepared from 15.0 l of ammonia and 15.0 l chlorine measured at the same conditions these compounds react according to the following equation 2NH3+3Cl2---> N2+6HCl When the reaction is completed what is the volume of each gas
What is the numerical value (ignore units) of the equilibrium constant for the following reaction
Calculate the pH of the solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 M HCN (Ka = 4.9 × 10^-10) solution.
the equilibrium constant is 1.5x 10^-2 at 370 degrees C and delta H is 16.0 KJ at 25 degrees C. Assuming delta H and delta S are temperature independent, calculate delta S for the reaction
In a certain process, 750. J of work is done on a system which gives off 195 J of heat. Calculate the total energy change (?U) for this process
An enzyme reaction, in 2ml of 0.08 M of an acetate buffer, pH=4.76. During this reaction 2micromol H+ was produced
The methylamine hydrochloride dissociates completely in water to form methylammonium ion (CH3NH3+) and chloride ion.
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