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If 5 grams of diphenylacetylene is dissolved in 40 ml cyclohexene, calculate the pressure change needed to completely hydrogenate this substance at room temperature and 50 degrees celcius.
Does the iron in the Fe(NH4)2SO4 solutions function as an oxidizing agent or a reducing agent. Please explain
The cell potential of the following electrochemical cell depends on the gold concentration in the cathode half-cell: Pt(s) | H2(g,1atm) | H+(aq,1.0M) | Au3+(aq,?M)|Au(s).
A sample of ethanol (C2H5OH) has a mass of 43.8 g.(a) How many carbon atoms does the sample contain?
A flask contains 0.190 mol of liquid bromine, rm Br_2. Determine the number of bromine molecules present in the flask.
What is the mole fraction of methane in the mixture? (Assume that the water produced by the combustion is in the gaseous state.)
A green leaf has surface area 2.20 cm^2. If solar radiation is 1190 W/(m^2) , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 nm for solar radiation.
Potassium nitrate has a lattice energy of -163.8 kcal/mo land a heat of hydration of -155.5 kcal/ mol. How much potassium nitrate has to dissolve in water to absorb
Since that food is not commonly consumed by the general public, what part of the population would be likely to suffer a biotin deficiency by way of consuming that food
Consider the following process. which of the following correctly applies? chose answere from the following answers. (a) termination step (b) polar reaction (c) unsymmetrical bond formation (d) produces a radical
Yet a generic figure is 1kB per particle. Assuming this figure is exact, what is the molar enthalpy of melting of Argon (in kJ/mol), whose melting temperature is 83.85K?
.4550 g of rock containing douglasite is treated by AgNO3. it took 37.20 ml of 0.1000 M AgNO3 to precipitate all Cl- as AgCl. Calculate the % mass of the mineral in the sample
identify organic compounds in medications. determine the structure of one active component and identify three functional groups on each molecule.
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