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Calculate the change in pH when 8.00 mL of .100 M HCl(aq) is added to 100.0 ml of a buffer solution that is 0.100M in NH3(aq) and 0.100M in NH4CL(aq) change in pH=?
Then calculate the change in pH when 8.00 mL of 0.100M NaOH(aq) is added to the original buffer solution. change in pH=?
For each of the following salt solutions, indicate whether the solution will be acidic, basic or neutral. Then using data given below, calculate [OH-] or [H3O+] and pH for each solution
Is the lone pair in cycloheptatrienyl anion in sp3 orbital. If so how is it antiaromatic when it does not have an uninterrupted p-orbital
Assuming the solution has a heat capacity of 4.18 J/°C·g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
Modern instrumental techniques are capable of detecting lead in a milliliter sample at picomolar concentration. How many moles of lead are in the sample
Need explanation: In ionizing bases, the reaction of sodium hydroxide in water is Ca(OH)2 (s) = Ca2+(aq)+2OH-(aq) First of all, how do I know that Ca(OH)2 is sodium hydroxide
A researcher studying the nutritional value of a new candy places a 5.30-gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen.
method would be a quick way to detect the presence of bromine/chlorine?
How much heat is required to warm 1.20 L of water from 20.0 degrees C to 100.0 degrees C ? (Assume a density of for the water.)
How hot will a 2.3 L balloon have to get to expand to a volume of 400 L? Assume that the initial temperature of the balloon is 25 degrees Celcius.
The rate constant for a certain chemical reaction is. 0.0125 L mol^-1 s^-1 at 25 degree Celsius and 0.0125 L mol^-1 s^-1 at 50.0 Celsius. What is the activation energy for the reaction, expressed in kJ mol^-1
If you have 340.0 mL of water at 25.00 °C and add 120.0 mL of water at 95.00 °C, what is the final temperature of the mixture. Use 1.00 g/mL as the density of water.
At constant pressure, in which of the reactions is work done by the system on the surroundings? By the surroundings on the system? In which of them is no work done?
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