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Consider the reaction shown below.
4 PH3(g) P4(g) + 6 H2(g)
If, in a certain experiment, over a specific time period, 0.0033 mol PH3 is consumed in a 1.5-L container each second of reaction, what are the rates of production of P4 and H2 in this experiment?
electrons and the quantity of electrons it has is the maximum. Calculate its mass number and a number that matches with the 34 neutrons it has.
What concentration of glucose will be isotonic with 1.2% CaCl2 solution? Assume a van't Hoff factor of 2.8 for the CaCl2 solution. The molar masses of glucose and CaCl2 are 180.2 g/mol and 111.0 g/mol, respectively.
If a current of 2.00 ampere is passed for 48 hours, what mass of aluminum id deposited at the electrode? Assume 100% current efficiency.
What is the difference between a "single beam" and a "double beam" instrument. What are some advantages and disadvantages for each of these instrument designs
25.0 ml of ethanol density 0.789 gml initially at 7.4degc is mixed with 32.1 ml of water density 1.0 gml initially at
Draw a potential energy diagram for the reaction between 1-butanol and hydrobromic acid. On your diagram indicate the structures of key reaction intermediates that correspond to energy maxima and minima. (B) What is the reaction type for this reac..
Determine the point group of each of the three possible geometries of the hypothetical Be3+ on, ten draw the molecular orbitals for each geometry,
If the valve is open and the gasses mix and assuming that the temperature is constant, what is the final total pressure
What is the pH of a solution with a hydronium ion concentration of 1.0 x 10-3 mole per liter
How many grams of (NH4)2SO4 should be present to prevent precipitation of Mg(OH)2 (s). The Ksp of Mg(OH)2 is 1.8x10^-11.
Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.95 M B(aq) with 0.95 M HCl(aq).
Write a complete stepwise mechanism for the reaction of cyclopentanone with bromine in acetic acid to give 2-bromocyclopentanone. Show all intermediate structures and all electron flow with arrows.
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