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Farmer Brown planted corn and wheat on his 1230 acres of land.The cost of planting and harvesting corn? (which includes? seed, planting,?fertilizer, machinery, labor and other? costs) is $ 275 per acre. The cost of planting and harvesting wheat is $135 per acre. If Farmer?Brown's total cost was $264,050, how many acres of corn did he? plant?
A reaction is carried out at 20 degree celcius what is the symbol that correspond with it?
What is the pH of the solution in the cathode compartment of the following cell if the measured cell potential
The vapor pressure of pure ethyl bromide at this temperature is 400.0 torr. Assuming an ideal solution, what is the molecular mass of the compound?
octane gas reacts wuth oxygen to form carbon dioxide gas and water as a gas. write balanced equation. how many grams of oxygen must react with 50 grams of hexane gas?
Calculate the standard change in Gibbs free energy, ?G°rxn, for the following reaction at 25.0 °C. Standard Gibbs free energy of formation values can be found.
Give the balanced total and net ionic equations and predict whether a reaction occurs. indicate whether the reactions are precipitation reactions or acid-base reactions.
a steel sphere with a diameter of 10 cm is to he hardened by first heating it to a uniform temperature of 900 oc and
Calculate titanium's specific heat (J/g*degrees Celsius) and molar heat capacity (J/mol*degrees Celsius) if 89.7 J of heat raise the temperature of a 33.0 g titanium block by 5.20 degrees Celsius?
isooctane a fuel used in gasoline engines because it has an antiknock octane rating of 100 has a density of 0.6919 g
Explain how do you determine the overall ability of an enzyme. Explain what determines the overall activity of an enzyme
1.00 ml of a 3.45 times 10-4 m solution of oleic acid is diluted with 9.00 ml of petroleum ether forming solution a.
1 how does the size of the alkyl group ofthe alcohol affect the vigor of its reaction with sodiummetal?2 why does the
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