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If 2.20 L of a gas at 754 torr and 580 mL of gas at 0.988 atm are combined and allowed to diffuse in a 6.00L container, what is the total pressure of the new system?
a buffer is made using 45.0 of 0.750 M propanoic acid (Ka=1.3x10^-5) and 55.0 ml of 0.700 sodium propanoate. what is the pH of the buffer. what is the pH after 4.91 ml of 1.00 M sodium hydroxide is
write the neutralization reaction. b)what is the pH at the neutralization point? c)what is the concentration of the hydrochloric acid solution?
If 2.20 L ofa gas at 754 torr and 580 mL of gas at 0.988 atm are combined and allowed to diffuse in a 6.00L container, what is the total pressure of the new system?
Calculate the molarity of H3O+ in a solution with [OH-]=1.00x10^-8 mol/L. is the solution acidic, basic or neutral
Does this reaction occur at the anode or the cathode? Explain your answer. Explain what will happen to Zn over time.
How many milliliters of magnesium metal, with a density of 1.74 g/mL, are needed to produce 102.3 grams of magnesium oxide in the single-replacement reaction below?
why does it make sense that nucleic acids can serve as templates to make new polymers (i.e., new strands of nucleic acids and polypeptides) while proteins don't. what the polymerases do, in terms of
Identify all the energy exchange processes that influence the performance of the collector. Suggest design features that would increase collection efficiency.
which of these configurations are in the excited state (mark all that apply) 1s2 2s1 1s2 2s2 2p3 [Ne] 3s2 3p3 4s1 [Ne] 3s2 3p6 4s3 3d2 [Ne] 3s2 3p6 4f4 1s2 2s2 2p4 3s2
The average osmotic pressure of blood is 12.3 atm at 27 degree C. what concentration of glucose will be isotonic with blood
What is the maximum number of electrons that can have a principal quantum number of 3 within one atom
0.500 mol/L of MgSO4. What is the concentration of this solution when expressed in percent (mass/volume). a)0.602% b)0.415% c)602% d)0.000415% e)none of the above
Where is C P-450 located and what is their main function in xenobiotics transformation. What is the reaction catalized.
Explain the mechanism of toxicity ( phase I and phase II products and metabolites ) for exposure to NAPHTHALENE and vinyl acetate.
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n = 6 to n = 1.
Excess Ag2CO3 is added to an 0.2 M K2CO3solution. Calculate the equilibrium concentration of Ag+ under these conditions. Ksp for Ag2CO3 is 8.1 x 10^-12. Ag2CO3(s, excess) <----> 2Ag^+(aq) + CO
The second line of the Balmer series occurs at a wavelength of 486.13 nm. What is the energy difference between the initial and final levels of the hydrogen atom in this emission process? A. 2.44 x
What is the solubility in pure water of Ba(IO3)2 in moles per liter at 25 ?C [Ksp (25 ?C) = 6.0 ? 10-10]
What is the maximum number of electrons in an atom that can have the following set of quantum numbers. n = 4 l = 3 ml = -2 ms = +1/2 A. 0 B. 1 C. 2 D. 6 E. 10
What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm? A. 6.46 x 10-16J B. 6.46 x 10-25J C. 2.46 x 10-4J D. 12.4 kJ E. 246 kJ
Which catalysts are used for the polymerization of Tetraflouroethene to form Teflon. And for the Polymerization of isoprene to form Rubber.
Choose one of the non-heme based oxygen transport proteins (i.e. not hemoglobin or myoglobin). Sketch the oxygen binding site environment, indicating the likely mode by which oxygen coordinates
Which cobalt complex is least likely to be reduced by an inner-sphere mechanism b). The reduction of III proceeds with a rate constant of k = 17.4, while the reduction of I proceeds with a rate cons