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4SO2(g) + 2O2(g) = 4SO3After the reaction comes to equilibrium, an additional 1.00g of O2(g) is added to the system. What is the expected partial pressure of SO2(g) then?
A sample of zinc metal reacts completely with an excess of hydrochloric acid: Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g) The gaseous product is collected over water at 25.0oC and barometric pressure of 0.980 atm.
Litre of white gas, and density of the gas is 0.710 g/cm 3 . Calculate the mass of the fuel and express your answer in kgs?
Calculate Ecell for the following electrochemical cell at 25 °C Pt(s) | H2(g, 1.00 atm) | H+(aq, 1.00 M) || Pb2+(aq, 0.150 M) | Pb(s) given the following standard reduction potentials.
A student combusts 504.96 grams of ethene gas, C2H4. How many liters of CO2 (g) are produced at a pressure of 0.993 atm and a temperature of 295 K? C2H4 (g) + 3 O2 (g)-> 2 CO2 (g) + 2 H2O (g)
Calculate the molality, molarity and mol fraction of a 25.4% (by mass) aqueous solution of phosphoric acid (H3PO4). in one litre of solution.
Determine what is the observed rate for the given reaction - empirically determined rate
A solution is .855% HNO3 by mass. Density of the solution is 1.01 g/mL. Find [H+], [OH-], and pH.
Calculate the [Cr+3] in equilibrium with Cr(OH)4-(aq) when 0.010 mol of Cr(NO3)3 is dissolved in a liter of solution buffered at a pH of 7.3. Kf for Cr(OH)4-(aq) is 8.0 x 1029.
calculate the vapor pressure of a solution of glycerol of 265ml in 3.80x10^2ml of H2O at the normal boiling point of H2O
A concentration of 0.5 ppm by volume SO2 in air is harmful to plant life. What is the percent by volume of this concentration
What is the frequency factor, A? /(M · s) (C) Predict the value of the rate constant at 73°C. /(M · s)
if 40.0 kJ of energy is absorbed by 500.0 g of water at 10.0 degrees celcius what is the final temperature of water?
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