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Define this observation- While zinc metal is added to a solution of dilute H2SO4 bubbles of gas are formed and the zinc disappears.
At 0.0oC, if the volume of air is 1.5 mL and the pressure of the atmosphere that day is 735 mmHg, what is the number of moles of air?
A reaction takes place inside a test tube is the test tube part of the system or part of the surroundings
The product in the 3rd step of this multi-step synthesis, p-aminobenzoic acid (PABA), was a common ingredient in sunscreen lotions. PABA is such an effective sunscreen due to the many resonance structures that can be drawn for this molecule.
what is the theoretical yield of nitrogen in grams from part (a)? c) if the actual yield of nitrogen in the reaction in part (a) is 30.3g calculate the percent yield.
Consider the figure that shows the distillation apparatus. Describe the practical reasons behind the direction of the flow of water through the condense. It will not let me upload the picture of the figure. It keeps saying that there is an error? ..
The solubility of lead (II) iodide is 0.064 g/ 100 mL at 20 deg C. what is the solubility product for lead (II) iodide
Wet steam flows in a pipe at a pressure of 700 kPa. To check the steam quality, the wet steam is expanded to pressure of 100 kPa. The expansion process may be assumed to be isenthalpic
A balloon has a volume of 10,500 liters, and the temperature is 15C. If the temperature were -25C, what would the volume of the balloon be.
Soggy french fries drenched in Vinegar, which is a 0.83M solution of acetic acid. If the acetic acid in vinegar is 0.47% dissociated, calculate Ka for acid. What is the pH of this solution
What is the rate constant of a first-order reaction that takes 375 for the reactant concentration to drop to half of its initial value?
The acid-dissociation constant for hypochlorous acid (HClO) is 3.0x10^-8 A)Calculate the concentration of H30+at equilibrium if the initial concentration of HClO is 9.0×10-3
Look at the table of polyatomic ions and determine what happens to the charge on the polyatomic ion, phosphate when an H+ is added to the formula. What is the new name
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