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What are the kinetic theory assumptions about ideal gases. State the ideal gas equation.
8.0 mL of 10.0 ppm fe 2+ solution is diluted to 100.o ml. What is the concentration (in ppm) of the resulting solution?
Vitamin solubility is 1 gmol in 100 gmol of waterYou are loading a drug (D) onto a porous spherical carrier pellet from an ethanol solution. The process is controlled by film diffusion f nom the bulk ethanol solution to the pellet.
The total molarity of acid and conjugate base in this buffer is 0.100 . A student adds 6.60 of a 0.340 solution to the beaker. How much will the pH change? The of acetic acid is 4.760. Express your answer numerically to two decimal places. Use a m..
A. How many moles of PCl5 can be produced from 26.0 g of P4 (and excess Cl2 )?
A 4.369 g sample of metal is placed in a flask. Water is added to the flask and the total volume in the flask is read to be 126.4 ml. The mass of the water, flask, and metal is 268.5 g. If the mass of the flask is 139.3 g and the density of water ..
A piece of copper of mass 20.0g at 100.00C is placed in a vessel of negligible heat capacity, but containing 50.7g water at 22.0C. Calculate the final temperature of the water. (Assume no energy is lost to surroundings)
how many grams of sodium formate nacho2 must be added to 750.0ml of .250 m of formic acid hcho2 to obtain a buffer with
At a certain temperature the equilibrium constant for the subsequent chemical equation is 2.60. At this temperature compute the number of moles of NO2(g) that must be added to 2.73 mol of SO2(g) in order to form 1.30 mol of SO3(g) at equilibrium.
If the H+ ion concentration in an aqueous solution at 25.0 °C is measured as 6.6 x 10-4 M, then the pH is 1) 3.00 2) 3.18 3) 6.60 4) 9.55 5) 10.82
Ribonuclease P proteins RPP21 and RPP29 bind one another during complex assembly. Thermodynamic measurements reveal that ΔH° = -66.3 kJ/mol and ΔS° = -73.2 J/mole*K at 40°C. What is the equilibrium constant for the binding reaction at 40°C?
Problem- The gas phase reaction A + B ? C has a reaction rate which is experimentally observed to follow the relationship rate = k[A]2[B]. The overall order of the reaction
The standard cell potential (E°) of a voltaic cell constructed using the cell reaction below is 0.76 V: Zn (s) + 2H+ (aq) ? Zn2+ (aq) + H2 (g) With PH2 = 1.0 atm and [Zn2+] = 1.0 M, the cell potential is 0.42 V. The concentration of H+ in the cath..
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