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Two Aqueous Sulfuric Acid solutions containing 20 wt % H2SO4 (SG=1.139) and 60 wt % H2SO4 (SG=1.498) are mixed to form a 4.00 M H2SO4 solution (SG=1.213)
a) What feed rate of the 60% solution (L/h) would be required to produce 1250 kg/h of the product?
Calculate the number of moles of solute present in each of the following solutions: a)245 mL of 1.50 M HNO3 b) 50.0 mg of an aqueous solution tha tis 1.25 m NaCl c) 75.0 g of an aqueous solution that is 1.50% sucrose by mass
Sodium carbonate can be made by heating sodium bicarbonate: 2NaHCO3(s) = Na2CO3(s) + CO2(gas) + H2O(gas) Given that for this reaction delta H = 135.5 KiloJoules and delta G = 33.1 KiloJoules at 25 degrees C, at what temperature will the reaction b..
What should the mole percent of oxygen be in the diving gas for the partial pressure of oxygen in the mixture to be 0.21 atm, the same as in air at 1 atm
Your instructions should include the volumes of the solutions required. (1b) (4 marks) What is the buffer capacity of the resulting solution
The production of iron and carbon dioxide from Iron (3) oxide and carbon monoxide is an exothermic reaction? how many kj of heat are produced when 3.40 mol Fe2O3 reacts with excess of CO.
sodium thisulfate na2s2o3 is used as a fixer when developing photographic film. what is the mass in grams of na2s2o3
A. which element/ion is the most difficult to oxidize. 1. Ca 2. Li^+ 3. Li 4. Na^+ 5. Na B. which element/ion is the most resistant to reduction? 1. H2 2. CU^+2 3. Sn^+2 4. Pb 5. none of the above
Identify the sets of quantum numbers that describe all the electrons in a neutral beryllium atom, \rm Be. Each set is ordered
If 80 {rm J} of heat are added to a pure gold coin with a mass of 13 {rm g}, what is its temperature change? Specific heat capacity of gold is 0.128 rm J/g ^circ C.
A room temperature aqueous solution is 0.10 M in zinc acetate, 0.50 M in strontium acetate and 15.2 M in nickel (II) acetate. At what concentration of carbonate
Which of the following correctly lists the following isomeric alkanes in order of increasing boiling point? n-hexane, 2,3-dimethylbutane, 2-methylpentane
Whats the melting point would be if you mixed acetanilide with 10 % by weight of naphthalene(acetanilide mp 113.5-114; naphthalene 80-82)
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