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6 M HNO3 could not be found on the reagent shelf. Instead, 6 M HCL is added to the test solution. Instead, 6 M HCl is added to the test solution.
a) What affect does this have on the test for sulfide ion? Explain
b) What affect does this have on subsequent tests of the supernatant? Explain
the freezing point of the resulting solution is 3.77*C. The freezing point of pure benzine is 5.48*C. Calculate the molar mass of the compound.
1-bromobutane reacts with formaldehyde. what is the product before the H30+ reacts on the product
Two gases, oxygen (28.8 grams) and carbon monoxide (19.0 grams), are confined in a container at a pressure of 640.0 torr. Calculate the partial pressure of carbon monoxide in torr.
The electron in the He+ ion is excited to the n = 2 principal state. What is the energy of the electron now?
A Researcher reads directions that call for addition of 25.0 mL of anhydrous ethanol (ethyl alcohol). From among the bottles in the lab, which one should she select
the normal respiratory rate for a human being is 15 breaths per minute. the average volume of air for each breath is
What kinds of compounds are suitable to be separated and analyzed by TLC. gases volatile liquids solids two of the above(which) all of the above
Write a balanced net ionic equation for the neutralization of equal molar amounts of nitric acid and methyl amine (CH3NH2). Indicate whether the pH after neutralization is greater than, equal to, or less than 7.
Draw three non-equivalent Lewis structures for the nitrous N2O molecule. Show all non-zero formal charges. Which structure(s) is (are) the most important
A student following the procedure in this experiment prepared three solutions by adding 11.50, 23.00, and 34.50 mL of a 7.60 x 10-2M NaOH solution to 50.00 mL of a .112M solution of a weak acide.
if 1 mol of liqid CCl4 at 25 degrees C has an entropy of 216J/K, what is the entropy of 1 mol of CCl4 vapor in equilibrium with a liquid at this temperature
A 2.56 g sample of a colorless liquid was vaporized in a 250mL flask at 121*C and 786 mmHg. Determine the molecular weight of the liquid
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