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When heated, a 8.3 g sample of ammonium perchlorate, NH4ClO4 ignites and burns in the absence of any other material to produce N2, HCl, H2O and O2. Write the balanced chemical equation for this process and determine the mass of H2O produced.
Summarize the relative reactivity of the Toluene, Ethylbenzene, Isopropylbenzene, tert-Butylbenzene, Cyclohexane, Methylcyclohexane compounds and propose an explanation for relative reactivity of these compounds.
Calculate the mass in grams of hydrogen chloride produced when 4.5 L of molecular hydrogen measured at STP react with an excess of molecular chlorine gas.
a spherodial bacterium with diameter of 1 um contains twomolecules of a particular protein. what is the molar
If a sample that is 1.200g in 25.0mL of heptane is cooled to 0 degrees C, what would be the percent recovery of the solid that would be collected? (M.P.=80 degrees C)
When the 1-bromobutane is first formed it often has a yellow or brown color, but pure 1-bromobutane is colorless. explain why in your own word please
Clearly Label the IR Spectrum of Benzoic Acid and assign the following peaks: Broad 3300-2500cm-1 3020 cm-1 1682cm-1 2. Clearly Label the IR Spectrum of Anisaldehyde and assign
Crystallization of sodium acetate from a supersaturated solution occurs spontaneously at constant temperature and pressure. What can you deduce about the signs of ?S and ?H for this process?
A soluble salt, AgNO3, with a common ion is added to a saturated solution of AgCl to give [Ag^+]=2.0x10^-2 M. what is the [Cl^-]? AgCl Ksp=1.8x10^-10
Consider a Ag/AgCl reference electrode that includes a saturated KCl solution as the filling solution. Calculate the activity of Cl- in the filling solution.
At 2000°C the equilibrium constant for the reaction is Kc = 2.4 103. 2 NO(g) N2(g) + O2(g) If the initial concentration of NO is 0.100 M, what are the equilibrium concentrations of NO, N2, and O2? A) [O2] _ M B) [N2] _ M C) [NO] _ M
Assume you can heat up or cool down the reaction flask as needed for the reaction to proceed with practical rates even if no temperature is indicated in the table
the vapor pressure of pure water at 70degc is 235 mm hg. what is the vapor pressure depression of a solution of 125 g
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