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A 50.00-mL sample of white dinner wine required 24.76 mL of 0.03867 M NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in terms of grams of tartaric acid (H2C4H4O6, fw 150.09) per 100 mL of wine.
Note: Two H+ are treated per tartaric acid, H2C4H4O6, fw 150.09, molecule.
what is the annual cost of operation in a 70°F room if the door is opened 10 times a day with an average heat gain per opening of 200 kJ? How much would it cost to keep the inside at 35° F? Show work.
Imagine that you have a 7.00 gas tank and a 4.50 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
Determine the mass of the liquids in grams if this liquid is added to the beaker the combined mass becomes 238.254 grams? Given that the mass of beaker=225.08 g?
Upon resonding to a 2am domestic transportation mishap, your hazmat team determines that a liquefied compressed gas is leaking from a 5lb steel cylinder.
Calculate the volume of a solution NaOH c=0.2 mol/l necessary to neutralize v=200 ml of solution HCl c=0.1 mol/l.
It takes 45.0 to raise the temperature of an 8.00 piece of unknown metal from 13.0 to 24.5. What is the specific heat for the metal.
A 10.0 g sample of krypton has a temperature of 25°C at 575 mm Hg. What is the volume, in milliliters, of the krypton gas?
Data for the decomposition of hydrogen peroxide at some set temperature T is include below. The rate law depends only on the concentration of H2O2.
A. Liquids have very strong attractive forces holding them together B. Liquids have moderately strong attractive forces holding them together C. Liquids have very weak attractive forces holding them together.
A muon is a fundamental particle equivalent to a one electron atom. The particle has Z = 2 and a negatively charged participle that is the same charge as the electron but 207 more massive. Compute the energy of the negatively charged particle if i..
One mole of an ideal gas is heated from 100 C to 322.4 C at constant VOLUME. Report the heat added (in kJ and three significant digits) to this gas to achieve this heating
Two liters of a buffered solution are created from .55 M HC3H5O3 (Ka= 1.3 E-4) and .45 M NaC3H5O3. what is the pH of the solution?
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