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A person receives 50 mrad of gamma radiation. Explain what is that amount in grays? Define what would be the equivalents does in millirems?
Two liters of argon gas at 300 K and 5 atm are expanded against a constant opposing pressure of 1 atm until mechanical equilibrium is achieved.
What are the simple sugars of lactose, maltose and sucrose and why are some people lactose intolerant
In a common protein analysis, a dye binds to the protein and the color of the dye changes from brown to blue. The intensity of the blue color is proportional to the amount of protein present.
When performing extractions it is often better to do multiple extractions rather than one large volume extraction. suppose you have 100mg of a sample dissolved in 0.6ml of water.
Assume that only a single stream exits the fuel cell. What is the flow rate of each of the species leaving the fuel cell? Not that the flow rates given to correspond a fuel cell rate at approximately 50kW using 2004 technology.
Dissolve the crude product in the minimum amount of boiling solvent to keep the solution of the product at its saturation point and then allow to cool so pure crystals will form.
Together, Americans drive about 5.0 x 109 miles per day, and their cars get an average of 22 miles per gallon of gas used. For each kilogram of gasoline used, about 3 kg of carbon dioxide is produced.
calculate moles of fe used from the mass of fe used and the molar mass of
A 2.50 g sample containing As2O5, NA2HAsO3, and other materials is dissolved and neutralized. The As(III) is fully titrated by (oxidized by) 11.3 mL of 0.150M I2. All the arsenic present is now in the +5 state. Excess KI is added.
How many liters of oxygen gas, at standard temperature and pressure, will react with 25.0 grams of magnesium metal? 2 Mg + O2 yields 2 MgO
what is the pkaof the acid, what is the molarity of the original acid solution and what is the molecular weight of the acid
Write a balanced equation for the acid-base reaction between benzoic acid and KOH. Using a pKa table, predict which way the equilibrium is favored.
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