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Define a particular reactant decomposes with a half-life of 105s when its initial concentration is 0.313 M. The same reactant decomposes with a half-life of 229 s when its initial concentration is 0.144 M.
Find out the reaction order.
Explain what is the value and unit of the rate constant for the reaction?
A Volume of 211 mL of H is collected over water, the water level in the collecting vessel is the same as the outside level. Atm Pressure is 756 Torr and the temp is 25 degree C. Calculate atomic mass of the metal.
write the corresponding ionic and net ionic equations after balancingnbsp these given equations a. hclo4 mgoh2 rarr
The reactant concentration in a zero-order reaction was 9.00×10^-2 M after 100s and 2.50×10^-2 M after 390s . What is the rate constant for this reaction
Draw all possible mesomeric structures of the carbocationic intermediate in the chlorination of benzoic acid. Explain why the main product is m-chlorobenzoic acid.
The Ksp for Zn(OH)2 is 5.0 x 10-17. Determine the solubility of Zn(OH)2 in a solution with pH of 11.50.
Remember that M1V1=M2V2. What volume of distilled water do you need to add to dilute 10 mL of a 100 mM Tris- HCl buffer solution to a concentration of 10 mM
an iron piston in a compressor has a mass of 3.62 kg. if the specific heat of iron is 0.449 jgdegc how much heat is
a 50.0 g sample of water is cooled from 30 degrees Celsius to 15 degrees Celsius losing 3140 J of heat What is the change in enthalpy.
Acetylene, C2H2, is a gas commonly used in welding. It is formed in the reaction of calcium carbide, CaC2, with water. Given the thermochemical equations, calculate the value of ?H°f for acetylene in units of kilojoules per mole.
Consider the titration of 30.0 ml of 0.030 M NH3 with 0.030 M HCl. Calculate the pH after the following volumes of titrant have been added.
Changes in atmospheric concentration of carbon dioxide during periods of artificial lighting (non-shaded) and darkness (indicated by grey shading). (b) Changes in oxygen concentration for a stand of soybean plants grown in a biomass chamber
Calculate the molar volume of Ar at 500K and 60 atm according to (i) the ideal gas equation; (ii) the van der Waals equation, given a = 3.640 L2 atm mol-2 and b= 0.004267 L mol-1
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