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1. Name some factors, besides weight and cost effectiveness, that one might consider when choosing one brand of antacid over another. Explain. 2. List possible sources of error in this experiment and for each, indicate whether the effect would be erroneously high or low value for the neutralization capacity of the antacid.
Benzene is a trace component of gasloine. What is the mole ratio of benzene to n-octant in the vapor above a solution of 40.0% benzene and 60.0% n-octane by the mass
predict whether solutions of the following salts are acidic, basic, or neutral.
Combustion reaction, A fuel has the following weight percentage composition, C = 52%, H = 11%, S = 0%, O = 9%, moisture = 13%, Ash = 15%
The dehydration of trans-2-methylcyclopentanol with H2SO4 will give what major product? a) cyclopentene b) 1-methylcyclopentene c) 2-methylcyclopentene d) 3-methylcyclopentene
A 2.914-g sample of gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temperature greater than 170 Celsius in a crucible until a constant mass is reached.
Keep in mind that it will be too thick and greasy to insert in a capillary tube. Also, remember that the melting point of vegetable oil is well below room temperature.
nickel acetate in a volumetric flask and add water to a total volume of 375 mL What is the concentration of the nickel cation? What is the concentration of the acetate anion?
Calculate the number of moles of Cl atoms in 1.81×1024 formula units of magnesium chloride,MgCl2 . Express your answer numerically in moles.
Could someone explain this competition and interaction? I know that chromatography is based on the attraction with the stationary phase or mobile phase
When 2.20 grams of Cr(CO)6 reacts according to the following equation at 400 °K in a closed system the temperature goes down and 5.2 kJ of hear is absorbed
Draw the energy profile diagram to show the possible intermediate and the transition states.
calculate the percent yield of C2H5Cl if the reaction produces 188g of C2H5Cl
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