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Question- A cereal product containing 55% water is made at the rate of 500 kg/hr. You need to dry the product so that it contains only 30% water. How much water has to be evaporated per hour?
Your respond must be supported by illustrations and please answer with work shown to receive points
Determine the energy needed to raise the temperature of 55.6 g of water from 43.2ºC to 78.1ºC.
to obtain the same antifreeze protection requires 76 g of propylene glycol to replace each 62 g of ethylene glycol.
Porphyrin complexes are among the most important chelating agents in nature. Which statement is correct concerning these
Which of the following metals will be oxidized by Pb(NO3)2: Zn, Cu, Fe? Write the balanced molecular, ionic and net ionic equations for the reaction.
For a given first order reaction, the rate constant is 0.00035 s-1. How many minutes will it take for a reactant concentration to drop to 13.7 % of its initial value
If a 1.000g sample of red phosphorus powder was burned in air and reacted with oxygen gas to give 2.291g of phosphorus oxide. Compute the empirical formula as well as molecular formula of phosphorus oxide give the molar mass is approximately 282g/..
in a seperatory funnel you have 2 phases with both liquids being clear and having roughly the same volume. you know one
For MgO, which has the NaCl structure, the unit cell edge is 4.21 Angstroms. Use the approach of Pauling to evaluate the radii of Mg^2+ and O^2-
When 49 mL of a solution containing 3.1 M AlCl3 is diluted to 53 mL, a dilute solution is formed. How many moles of Al3+ ions are contained in 14 mL of the dilute solution
A.) If 75.0 g of sodium is mixed with 40.0 g of nitrogen gas, what mass of sodium nitride forms? B.) If the reaction in part A has a percent yield of 90 % , how much sodium nitride is actually produced
Calculate the mass sodium hydrogen carbonate required to react with 3.77 grams sulfuric acid. The molar mass sodium hydrogen carbonate is 84.01, and the molar mass sulfuric acid is 98.09.
Determine the concentrations of the following ionic species present in a 0.333 M solution of the diprotic acid H2SO3. For H2SO3, Ka1 = 1.4E-2, Ka2 = 6.3E-8.
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