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Write an orbital diagram for the ground state of potassium atom. Is the atomic substance diamagnetic or paramagnetic?
The turnover number for an enzyme is known to be 5,000 min-1. From the following set of data, calculate the Km and the total amount of enzyme present in these experiments.
1. how many mls of 0.560m nicl2 fw129.606 solution are required to react with 15.00 ml of 0.808m agc2h3o2 fw166.912
Permanganate ions, MnO4-, oxidize acetaldehyde, CH3CHO, to acetic acid CH3CO2H, and are reduced to MnO2. The reaction takes place in acidic solution.
Using what you know about acid/base chemistry, determine the immediate effect that two 325-mg aspirin tablets would have on the pH of the stomach. Assume your stomach is half a liter in volume.
At 25 degrees celsius how many dissociated H+ ions are in 167 mL of an aqueous sloution whose ph=12.07? hint find concentration of H+
Identify which of the following statements about the halogenation of alkane hydrocarbons are correct. a) Halogenation of alkanes follows a chain mechanism.
a 280ml flask contains pure helium at a pressure of 754 torr . a second flask with a volume of 475ml contains pure
A coffee cup calorimeter contains 10.0 grams of water at 59.00 degrees C. If 3.00 grams Au at 15.20 degrees C is placed in the calorimeter, what is the final temperature of the water in the calorimeter. The specific heat of water is 4.18 J/g C; th..
105 cm3 of 2MSulphuric acid is required to neutralise 420 cm3 of potassium hydroxide. What is the concentration of potassium hydroxide?
Consider the compressor shown in Fig. PI0049-6. This two-stage compressor has two different suction points. In each suction line there is a volumetric flow.
What is the deifintion of Environmental Procarsination?
Problem- The enthalpy of formation of water is -241.8 kJ/mol. How much heat is released when 3g of hydrogen reacts with excess oxygen to form water
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