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Answers on questions: Chemistry
- C Chemistry Sample of 76 g of nacl is dissolved to make 1 l of a solution what is the molarity of the solution...
- C Chemistry H20 nsnsnsjdjdjdjxjdjdhdhdhdhdhdhdhd...
- C Chemistry Which of the following statements is true? A. A buffer is best used in pH ranges from two units below up to one unit above its pKa. B. A buffer works best in a pH range farthest from...
- C Chemistry Metallic iron crystallizes in a cubic lattice. The unit cell edge length is 287 pm. The density of iron is 7.87 g/cm3. How many iron atoms are within a unit cell?...
- C Chemistry Write the balanced equation for the combustion of the hydrocarbon heptane C7H16(l)...
- C Chemistry Select the correct answer. if the emf produced in a wire is 0.88 volts and the wire moves perpendicular to a magnetic field of strength 0.075 newtons/amp·meter at a speed of 4.20 meters/second,...
- C Chemistry The statement that the lowest energy configuration for an atom is the one having the maximum number of unpaired electrons allowed by the pauli principle in a particular set of degenerate...
- C Chemistry Which of the following is not a standard state? group of answer choices for a solid, it is 1 atm. for a solid, it is 25°c. for a liquid, it is 1 atm. for a liquid, it is 25°f. for...
- C Chemistry Recall that a definition for the entropy is s = −∑ �% % ln �% where pi is the probability that the system is in state i and the sum is over all states which satisfy whatever constraints...
- C Chemistry Assume that you react 100 mg of benzoic acid with 10 ml of methanol and 10 microliters of sulfuric acid to produce methyl benzoate. write a balance chemical equation for this reaction....
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