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Problem- If 25 mL of 0.1 M HNO3 is added to a 0.01 L buffer solution that is 0.26 M HCNO and 0.13 NaCNO, what is the pH of the final solution? Ka for HCNO = 3.5x10^-4
Please show me how work it out above problem
An aqueous solution containing 16.2g of an unknown molecular (nonelectrolyte) compound in 102.0g of water was found to have a freezing point of -2.0C.
Important information about Degree of Unsaturation, Dieldrin, C12H8Cl6O, is a pentacyclic compound formerly used as an insecticide. Can you help me to calculate the degree of unsaturation
Astronaut Benny travels to Vega, the fifth brightest star in the night sky, leaving his 35.0-year-old sister Jenny behind on Earth. Benny travels with a speed of 0.9996 c, and Vega is 25.3 light-years from Earth.
Draw a complete electronic mechanism of the aldol product between benzaldehyde and acetophenone.
Question- The typical energy differences for transitions in the microwave, IR, and electronic spectroscopies are 5x10^-22 J , 0.5x10^-19 and 1x10^-18 J. Calculate the ratio of the number of molecules in two adjacent energy levels at 300 K in each ..
in tropospheric chemistry the decomposition of n2o5 is an important process. the half life for the first order
Describe the kinetics of the photochemical process of the absorption of a proton by a reactant resulting in proton formation.
Calculate the rate constant at 100 °C. Suggest a reason for the low activation energy for this reaction.
For the following redox reaction, determine the oxidation states of all of the elements in the products and reactants. Which reactant is reduced and which is oxidized. Also, determine the reducing and oxidizing agents. Mg(s) + 2HCl(aq) ? MgCl2(aq)..
The equation for the combustion of acetone is: 2 C3H6O + 8 O2 ---> 6 H2O + 6 CO2 + 852.6 kcal How much heat will be given off if 0.87 mol of acetone is completely burned?
Sodium fluoride is added to many municipal water supplies to reduce tooth decay. Calculate the pH of a 0.00304 M solution of NaF
Briefly explain which indicator, bromocresol purple (pKa = 6.3; from yellow to purple) or thymolphthalein (pKa= 10.0; from colourless to blue), would be better for use in this titration
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