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Chemistry problem about pH.

Can anyone help me with this problem? I can't get the answer, there must be something wrong in my reasoning, thank you so much!   "Calculate the pH of a solution obtained by adding...

Chemistry Help Please!

The reversible chemical reaction: A+B<->C+D has the following equilibrium constant: Kc=[C][D]/[A][B]=4.1.   (a) Initially, only A and B are present, each at 2.00 M. What...

Chemistry Help Please!

For the reaction: CO(g)+NH3(g)<->HCONH2(g) The equilibrium constant is: K=0.207 at 400 K. If a reaction vessel is filled with initial concentrations 2.15M of CO and 2...

May I have help solving this?

A vessel containing 39.5 cm3 of helium gas at 25 degrees C and 106kPa was inverted and placed in cold ethanol. As the gas contracted, ethanol was forced into the vessel to maintain the same pressure...

Help on science please

I need help with these questions:   1. Use the reaction that occurs when magnesium burns in oxygen to show how a reaction might be included in more than one category of reaction.   2...

Chemistry Help Please!

The rate of the reaction in terms of the "disappearance of reactant" includes the change in the concentration of the reactant, the time interval, and the coefficient of the reactant. Consider...

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