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Draw the structure of the major organic product you would expect from the reaction of 1-bromopropane with KOC(CH3)3.
a gasoline additive used to boost octane ratings, delta H f has = -313.6 kJ/mol. C5H12O (l) + 15/2 O2 (g) ---> 5Co2 (g) + 6 H2O (l) Calculate its standard heat of combustion in kilojoules.
Write the chemical equations representing the first, second, and third acid dissociations. 100mL 0.050 M phosphoric acid is titrated with 0.10 M NaOH. Calculate the pH of the solution after 25mL of NaOH have been added.
a particle moving 30,816 km/hr has a wavelength of 725 nm. What is the mass of the particle?
benzylamine was titrated with 0.050 0 M HCl. Calculate the pH at the following volumes of added acid: Va = 0, 12.0, 30.0, 0.5 Ve, Ve, and 35.0 mL.
We are asked to explain the pH and how to find hydrogen ion concentration - Find the pH of an acidic substance of your choice.
what is steam distillation and why is it a preferred technique to purify high boiling liquids that are water-insoluble
If solar radiation is 1010 , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 for solar radiation.
the electron configuration [Kr]4d10 5s2? How many unpaired electrons are there in the ground state of this ion?
how does its vapor pressure change over time? It continues to steadily increase. It increases at first, then remains constant
Calculate the total concentration of lead dissolved ([Pb]total) in a solution saturated with PbI2(s) and containing dissolved I- with a concentration of [I-] = 0.294 M. The solubility of lead is governed by the reactions shown below.
the sulfur is converted into sulfur dioxide gas.The sulfur dioxide reacts with solid calcium oxide to form solid calcium sulfite
A helium-filled balloon at sea level has a volume of 2.5 L at 0.989 atm and 33°C. If it is released and rises to an elevation at which the pressure is 0.900 atm and the temperature is 29°C, what will be the new volume of the balloon?
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