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Explain the Kinetic Molecular Theory and describe how it helps us understand the phases of matter and behavior of gasses.
How does the strength of an electromagnet depend on the current and the number of turns in the coil?
If Bromine has two naturally occurring isotopes .The average mass of bromine is 79.904 u. If 50.54 % of bromine is found as bromine 79(78.9183), Define what is the mass of the other isotope.
How kJ are released to form one mole of 95Mo from protons and neutrons if the atom has a mass of 94.9058411 amu? Please remember to include the mass of electrons in the calculation.
How many grams of acetic acid are needed to react with 73.6 g of salicylic acid? How many grams of aspirin are formed from 37.9 g of salicylic acid? How many grams of glucose are needed to form 5.2 mol of ethanol?
traditionally foreign direct investments fdi has followed foreign trade since foreign trade is typically less costly
The combustion of ethene, C2H4 , occurs via the reaction C2H4 (g) + 3O2(g) ===> 2CO2(g) + 2H2O(g) with heat of formation values given by the following table
a mixture of sodium chloride ammonium chloride and silicon dioxide are first extracted with water and then the extract
A .10M solution of the weak acid HCN has an equilibrium constant of 4.9 X 10^-10. Calculate the percent dissociation of the acid
The combustion of octane produces carbon dioxide and water. If you start with 10.0 mol of octane, what mass of water (in grams) would you expect to produce?
How many moles of oxygen are formed when 58.6 g of KNO3 decomposes according to the following reaction. The molar mass of KNO3 is 101.11 g/mol. 4 KNO3(s) ? 2 K2O(s) + 2 N2(g) + 5 O2(g)
Explain what is the maximum amount of work that could be done when 2.47 moles of Na(s) reacts at 295 K, 1 atm. Presume that delta H and delta S are independent of temperature.
A compound has a molecular weight of 153.2 and a Henry's constant of 85 atm. What is the concentration of the compound in air in ppmv which is in equilibrium with a 35.0 mg/L aqueous solution?
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