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What volume in mL of 0.7M NaOH solution would react with 83mL of 0.74M H3PO4 solution? Balnced equation needed and answer should be reported in two decimal pleaces.
the following results were obtained for a spectrophotometric titration that was carried out at 600 nm to measure cu2in
A 1- flask is filled with 1.45 of argon at 25 . A sample of ethane vapor is added to the same flask until the total pressure is 1.30 .What is the partial pressure of argon, , in the flask?
write the full electronic configuration for sr he zn
In combustion studies of H2 as an alternative fuel, you find evidence that the hydroxyl radical (HO) is formed in flames by the following reaction
A compound A has prominent infrared absorptions at 1050, 1786, and 1852 cm-1 and shows a single absorption in the proton NMR spectrum
a sealed container contains 6 mol of hydrogen and 1 moles of nitrogen gas. if the total pressure in the container is
A mixture was prepared with the following initial concentrations: [CO] =0.20M, [H2O] = 0.30 M. No formic acid, HCHO2, was initially present. What was the equilibrium concentration of HCHO2?
what is the lewis dot structure for
The rate constant for a first order reaction is 1.8 x 10 to the neg 2 s-1at 742 k and 4.5 x 10 to the neg 2 s-1 at 902 k. what is the activation energy step by step
A 391-rm mL sample of unknown rm HCl solution reacts completely with rm Na_2CO_3 to form 20.1 g rm CO_2. What was the concentration of the rm HCl solution?
An 8.00 g sample of SO3 was placed an evacuated container where it is decomposed at 600 degrees C according to the following reaction.
Combustion of an unknown hydrocarbon (a compound containing only C and H) yields 143.66 g CO2 and 29.40 g of H20.
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