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A system at equilibrium or striving to reach equilibrium responds in a way that best accommodates or reduces any stress placed upon it. What is this known as in chemistry?
1. Aufbau Principle
2. Le Chatelier's Principle
3. None of these
4. Heisenberg's Uncertainty Principle
calculate the mass of propylene glycol rmc3 rmh8 rmo2 that must be added to 0.340 kg of water to reduce the vapor
how many grams of calcium hydroxcide will be formed in this reaction when 4.44 grams of calcium oxide and 7.77 grams of
Given the following heats of formation, delta H f, in kJ per mole, as obtained from a table of deltaHf data, calculate the delta H for the reaction in part f. Compare your answer with the result you obtained in Part e.
Examine the following acid (H atoms are omitted from the structure): C-C-C=C-C-C-C=C-C-C-COOH. How many more hydrogen atoms would have to be added in order to fully hydrogenate this acid and remove the carbon-carbon double bonds
how many pounds of co2 are produced from the complete combustion of 1.00 gal of gasoline? assume that gasoline has the
a separatory funnel is used in this method of separating liquids . f. liquid is allowed to evaporate, leaving the solid behind c. element
A coal containing 81% C, with a calorific value 32,400 kJ/kg is burnt to produce a flue gas of the following composition: CO2=10.4%, CO= 1.4%, O2= 5.5 % and the rest is nitrogen. Determine the carbon converted to CO per kg coal.
Suppose that a molecular orbital has the form N(0.145A + 0.844B). Find a linear combination of the orbitals A and B that has zero overlap with this combination.
Carbon-14 is a radioactive nucleus with a half-life of 5760 years. Living matter exchanges carbon with its surrounding (for example, through CO2) so that a constant level of 14C is maintained, corresponding to 15.3 decay events per minute
When 5.00 g of fructose, C6H12O6, (FW 180.16 g/mol) is burned in a calorimeter whose heat capacity is 29.7 kJ/oK, the temperature increases by 2.635oK. Calculate the heat of combustion of fructose in kJ per mole.
A concentrated solution of compound A in the same solvent was diluted from an initial volume of 2.00 ml to a final volume of 25.00 mL and then had an absorbance of 0.733. What is the concentration of A in the concentrated solution
A 15.00 mL sample of unknown concentration of sulfuric acid is precititated with excess lead(II) nitrate and a precipitate of lead(II) sulfate is collected.
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