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The annual production of zinc sulfide (ZnS) is 5.5e4 tons. Estimate the number of tons of SO2 produced by roasting it to extract zinc metal.
Phenol is a weak organic acid with Ka=1.0x10^-10. How many grams of phenol do you need to add to 500. mL of water to make a pH=5.75 solution
How many mL of water (density = .997g/ml at 25 degree C) are needed to dissolve 10.0g of NH4NO3 in order to prepare a .100m ammonium nitrate solution?
How many grams of 02 are consumed by the combustion of 2660g of octane(C8H18)? Balanced equation is 2C8H18 +25O2-->
Write the standard line notation for each cell below. Assume all concentrations are 1.0 M and all partial pressures are 1.0 atm. IO3-(aq) + Fe2+(aq) --> Fe3+(aq) + I2(aq)
Given there is an increase in volume, which increases possible microstates, how can there be no increase in entropy?
magnesium hydroxide is used in several antacid formulations. when it is added to water it dissociates into magnesium
Chlorine was previously identified as a catalyst in the breakdown of ozone into oxygen gas. Using the enthalpy of reaction for two reactions with ozone, determine the enthalpy of reaction for the reaction of chlorine with ozone.
calculate number of moles of anhydrous compound recovered. c- calculate number of moles of water lost from the hydrated compound.d- what is the formula of the hydrate?
Imagine that you have a 7.00 litre gas tank and a 3.00 litre gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
Water contained in a piston-cylinder assembly undergoes two process in series from an initial state where the pressure is 10 bar and the temperature is 40°C. at first, the water is cooled as it is compressed at a constant volume to 150°C.
Nitrogen gas reacts with hydrogen gas to produce ammonia by the following equation, N2(g)+3H2(g)-->2NH3(g). a) If you have 1.80 mol of H2, how many grams of NH3 can be produced
When 7.51 grams of propane reacts with excess oxygen how many grams of carbon dioxide are formed
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