How much aspirin can be made
How much aspirin can be made from 100.0 g of salicylic acid and 100 g of acetic anhydride? If 122 g of aspirin were obtained by the reaction, what is the percent yield?
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Acetylene gas (C2H2) is produced as a result of the following reaction. CaC2(s)+2H2O(l) = C2H2(g)+Ca(OH)2(aq) . If 32.0 g of CaC2 are consumed in this reaction, how many moles of H2O are needed?
In a 250-300 word response, answer the following question: Do you believe most people are poor listeners or good listeners? What can organizations do to improve listening skills of employees? How can you improve your personal listening skills? Use
50.0 mL of 2.00 M H2SO4 react with 75.0 mL of 2.00M NaOH. Identify the limiting and excess reactants. How many grams of Na2SO4 will be formed.
For IF5 draw an appropriate Lewis structure. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
A gas sample was collected over water at 25.3oC. The total pressure is determined to be 0.97 atm. What is the partial pressure of the gas that was collected?
In the Weight column, assign an importance factor to each of these issues from 0.0-1.0 (1.0 is most important; 0.0 is least important). These ratings are based on the probable impact on a particular company’s current strategic position. The
If the pressure increases to 800. torr, how many moles of gas were added to the container? Assume a constant-volume container.
A 250.0 mL sample of chlorine gas is collected when the barometric pressure is 798 mmHg. What is the volume of the sample after the barometric pressure dropped to 745 mmHg?
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