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The percent by mass of bicarbonate in a certain alka seltzer product is 32.5%. calculate the volume of c02 generated at 37C and i atm when a person ingest 3.29 g tablet.
Calculate in how many years these signs will have to be replaced. Assume that the end lifetime is when the emission from the tritium is down to only 37% from the initial emission when installed
Phosphorus-32 has a half-life of 14.0days . Starting with 4.00 g of 32p , how many grams will remain after 42.0 days?
Trouble calculating theoretical and percent yield for this reaction: Pb (NO3)2 + K2CrO4 = 2KNO3 + PbCrO4 Starting quantities are 50ml, 1M solution for each reactant.
The titration of 0.50 M NH3 with 0.50 M HCL results in a final endpoint and a concentration of 0.25 M NH4 Cl with essentially all the NH3 complete conversion to NH4^
Benzene is a organic solvent with the formula, The volume occupied by 1 micromole of liquid benzene and the volume occupied by 1 megamole of benzene as a vapor at STP (assume an ideal gas)
Which of the following substances would be expected to be the most soluble in CCl4? Answer with explanation as to why. a)NH3
What would the molar concentration of the tree sap have to be to achieve this pressure on a day when the temperature is 28?
Standard potentials measured against the standard hydrogen electrode, Standard potentials are measured against the standard hydrogen electrode (S.H.E.). Because it is not always convenient to use a S.H.E
In order to characterize this by product an alert student suggested trying to dissolve the by product in aqueous NAHCO3. The by product readily dissolved. Suggest a possible structure for this compound. Explain how it Might have been formed and su..
Consider the following specific heats: copper, 0.384 J/g·?C; lead, 0.159 J/g·?C; water, 4.18J/g·?C; glass, 0.502J/g·?C. If the same amount of heat is added to identical masses of each of these substance
what would be the effect on your calculated mass percent recovery of Cu if you used all of your NaOH solution in Part II and the litmus paper never turned blue
A molecule of ethyl alcohol is converted to acetaldehyde in one's body by zero order kinetics. If the concentration of alcohol is 0.018 mol/L and the rate constant
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