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write a balanced equation and include the phase of the compound (aq or s) then write a complete ionic equation, If there is a phasechange you need to then write a net ionic equation and list the spectator ions barium chloride plus silver nitrate equals barium nitrate plus silver chloride
Iron (III) oxide(s) is heated in excess carbon monoxide(g) to form iron(s) and carbon dioxide(g). If the percent yield of iron was 83.0% and the actual yield was 9.87 g, how much iron (iii) oxide was used?
solution of an unknown acid has a ph=1.776. What is the value of acid dissociation constant?
what is the molality of a solution of 10g benzophenone and 1mL of cyclohexanone
What is the mass of a piece of magnesium wire which produces 39.30 mL of hydrogen gas collected over water at 23 degrees celsius
Calculate the concentration of IO3- in a 3.02 mM Pb(NO3)2 solution saturated with Pb(IO3)2. The Ksp of Pb(IO3)2 is 2.5 × 10-13. Assume that Pb(IO3)2 is a negligible source of Pb2 compared to Pb(NO3)
Calculate the pressure exerted by 1 mole of CO2 confined in 22.45L at 298K using van der waals
Calculate the equilibrium constant of the reaction I2(g)52 I(g) at 1000 K from the following data for I2: # = 214.36 cm
Calculate the equilibrium constant for the reaction that occurs when nitric acid is added to the buffer HA
Lead (II) nitrate and ammonium iodide react to form lead (II) iodide and ammonium nitrate according to the reaction. Pb (NO3)2 (aq) + 2NH4i (aq) --> Pbi2 (s) + 2NH4NO3(aq)
What is the standard reduction potential and standard oxidation potential of water? I can't tell from the chart because water is in two places.
Write a balanced nuclear equation for the alpha decay of each of the following radioactive isotopes.
A 750-mL sample of nitrogen was collected by displacement of water from a container at 30°C and an atmospheric pressure of 742 Torr. If the vapor pressure of water at 30°C is 31.8 Torr, calculate the number of moles of nitrogen gas produced.
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