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Write a chemical equation for the oxidation of ethane gas to form water vapor and carbon dioxde gas. Define this as the system,then complete the following;
(a) Predict the signs of ΔSosys,ΔSosurr, ΔSouniv will be greater than zero, equal tozero, or less than zero. Explain your prediction.
(b) Predict the signs of ΔHo, and ΔGo. Explain how you made this prediction.
(c) Will the value of Kp bevery large, very small or new 1?
(d) Will the equilibrium constant,Kp, for this Sysatem be large or small at temperature greater than298ok? Explain your justification.
Iodine is prepared both in the laboratory and commercially by adding Cl2(g) to an aqueous solution containing sodium iodide: 2NaI(aq) +Cl2(g) arrow I2(s) +2NaCl(aq) How grams of iodide, NaI, must be used to produce 55.6 g of iodine, I2
a 0.5118 gram sample of caco3 is dissolved in 6 moles of hcl and the resulting solution is diluted to 250.0 ml in a
A 10 mL sample of a solution of Pb(ClO3)2 was diluted with water to 21 mL. A 10 mL sample of the dilute solution was found to contain 0.021 moles of Pb2+. What was the concentration of Pb(ClO3)2 in the original undiluted solution?
a 0.5485 g solid mixture have only ferrous chloride hexahydrate andnbsp ferrous ammonium sulfate hexahydrate. dissolved
Calculate the Ki for a competitive inhibitor whose concentration is 4.5 x10-4 M that increases the Km of the substrate by 23.5%
72 ml of a 1.70 m solution is diluted to a volume of 288 ml.a 144 ml portion of that solution is diluted using 149 ml
When ammonia is burned in oxygen, free nitrogen gas and water are produced. What volume of ammonia will react completely with 25.0 L of oxygen? What volume of nitrogen gas is formed?
if 25.00mL of .2500 M formic acid is titrated with 25.00mL of .2500 M NaOH, what is the pH at the equivalence point? the Ka for formic acid 1.8x10^-4.
Which statement is not true about fission? Answer a. process requires initiation by a neutron b. products have smaller nuclei than reactants c. combination of atomic nuclei d. critical mass produces a chain reaction
Cyanic acid (HOCN) and isocyanic acid (HNCO) differ in the position of their electrons, but they are not resonance structures. Explain.
Where does the extra electron come from when determining the formal charge of NH2? N has 5 valence electrons and H each have one which lead to two bonds and one lone pair and one lone electron which equals a formal charge
We can measure the concentration of HCl solution by reaction with pure sodium carbonate: 2H+ + Na2CO3 --> 2Na+ + H2O + CO2. Complete reaction with 0.967 4 (+/- 0.000 9) g of Na2CO3
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