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Gaseous butane (CH3 (CH2)2 CH3) will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. Suppose 23.8 g of butane is mixed with 32. g of oxygen. Calculate the minimum mass of butane that could be left over by the chemical reaction.
Problem- What is the resulting pH if 500 mL of buffer solution (4.3M C6H5COOH ka=6.6x10^-5 and 3.3M C6H5COOK) are mixed with 50.0mL of 2.5M KOH
The atomic absorbances were measured as 0.105 and 0.201 for Ti and Co respectively. As a reference, a standard mixture containing 2.14 g Co/mL and 1.27 g Ti/mL was prepared as well as measured to have a signal-to-signal ratio of 2.53 Ti: 1.00 Co. ..
Methyl alcohol, cyclohexane, isopropyl alcohol, and acetic acid are other solvents that are routinely used for TLC. Look up the dielectric constants and predict where these solvents would fit into the order of eluting ability.
When compared with the boiling points of other compounds of comparable molecular weight, which of the following is true of the boiling points of carboxylic acids
what mass of ammonium chloride can be added to 100 grams of water at 20 degrees celcius before the solution becomes saturated?
The precipitate is separated into two parts, which are then treated as follows: When cold 3M HNO3 is added to one part until the solution is acidic, the precipitate remains, even after heating to boiling. For each solid, indicate wheter these resu..
dimethylglyoxime dmg is an organic compound used to test for aqueous nickelii ions. a solution prepared by dissolving
Calculate and record the following for the experiment performed with 20g KClO. mass of the crucible with manganese(IV) dioxide (in grams): 54.200g
Elemental "white" phosphorus exists in nature as P4 molecules, in which all the P atoms have identical bonding. (a) Draw a Lewis Structure that represents this molecule.
If 500 mL of air contains 2 x 1022 particles (atoms and molecules), how many particles do you inhale in one day if you breathe 15000 L of air?
A bottle containing 315 g of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
Deal gases can be defined in terms of microscopic assumptions, assumptions about the values of macroscopic measurements or an equation of state
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