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The annual production of zinc sulfide (ZnS) is 3.5 10^4 tons. Estimate the number of tons of SO2 produced by roasting it to extract zinc metal?
You collected a water sample from your shower containing 3.2mM Ca2+ and 1.1 mM Mg2+ whats the hardness of water in terms of CaCO3/L.
Determine the value of work (w) when a piston of volume 0.2 litres expands against an external pressure of 200 kPa to a volume of 3.4 Litres?
The mass ratio of sodium to fluorine in sodium floride is 1.21:1. a sample of sodium fluoride produced 26.5g of sodium upon decomposition how many grams of fluorine was formed.
If 1.50g (NH4)2SO4 is dissolved in enough water to form 250 ml of solution, what is the molarity of the solution.
Application of ideal gas law - How high can you raise the temperature of the gas without bursting the vessel?
Find the mass of the substance and the volume of a gas in a reaction - determine the mass of solid ammonium nitrate that must be used to obtain 0.145 L of dinitrogen oxide gas at STP.
Standard Enthalpies of Formation: acetic and AB2 = - 25.65 kCal/ mole,A++ = -8.65 k Cal/ mole,Temperature = 10 Degree Celsius determine pK,
If a reaction mixture initially contains 486 of and 261 of , what is the mole fraction of when equilibrium is reached.
Compute the change in entropy of the universe if water vapor of one mol condenses to liquid water at the temperature of 100°C in a thin flask in an ambient laboratory temperature of twenty five degree celsius.
Make a new solution with a total volume of 10.0 mL and How many moles are contained in 500.0 mL of solution
Considering the given equation KOH + CH 3 COOH ---> KCH 3 COO + H 2 O determine the volume of 0.157M solution Potassium hydroxide is essential to react with 0.385g of Acetic acid? express your answer in mL
Determine how much heat is released when 15.7 kilo grams of ethane forms If 112 kilo joule is given off per mole of ethene reacting,?
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