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What is the value of Kc for the following reaction at equilibrium? CO2(g) +H2(g)<>CO(g) + H20(g) if [CO]=0.20M, [H20]=0.30M, [Co2]=0.30M. and [H2]=0.033M
Calculate the concentrations of all species in a 0.840 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid
when x rays of wavelength 0.084 nm are diffracted by a metallic crystal the angle of first-order diffraction n 1 is
The formation constant of a complex ion [M(NH3)4]2+(aq) is 3.8E8. If a solution is prepared by adding 0.6 mol of [M(NH3)4]Cl2 to 275.0 mL of water, what is the equilibrium concentration of free M2+(aq) ions?
Solid thorium(IV) fluoride has a boiling point of 1680°C.What is the density of a sample of gaseous thorium(IV) fluoride at its boiling point under a pressure of 2.5 atm in a 1.7 L container?
Permenant sterility in women occurs at 300.0 rem of exposure. The source radiates with 3540 rem at 500.0 cm.
Which value is colosest to the POH of a 0.3 M solution of the weak base methylamine (CH3NH2)? the Ka for the acid form of methylamine is 2.27e-11 answer choices are 0.011, 1.94,3.92,10.08 and 12.06.
The vapor pressure of water at 45.0 degrees celcius is 71.93 mmHg. Calculate the vapor pressure of a solution of 1.50m K2CO3 at this temperature
A buffer is made by dissolving 0.037 mol of potassium fluoride in 135 mL of 0.0237M hydrofluoric acid. Assume no volume change when the salt is dissolved. Calculate ph of the buffer.
The acid solution gives no precipitate when treated with 0.1 M AgNO3. Identify the components of the solid. EXPLAIN.
Mass spectral analysis of 1-chloropropane results in several fragmentation pathways. Complete the mechanism below and give the products for each indicated fragmentation pathway. Include all nonbonding electrons and charges.
what is the dosage of quinine when a 170lb adult takes a 400.0 mgtablet? Express in ug quinine per kg of body weight.
1) What type of intermediate is formed in the polymerization of styrene with butllithium? a) radical b) carbanion
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