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Depict a Lewis structure for each of the subsequent molecules or ions. Explain the electron-pair geometry as well as the molecular geometry around the central atom XeF4 and NH2Cl.
What is the relationship between the following pairs of molecules. D-galactose and L-galactose. D-galactose and D-glucose
what volume and mass of steam at 100 degrees c and 1.00 atm would during condensation release the same amount of heat
A saturated solution of magnesium fluoride was prepared by dissolving solid MgF2 in water. The concentration of Mg2+ ion in the solution was found to be 1.18 *10^-3 M. Calculate Ksp for MgF2. Express your answer numerically.
The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 115 J of heat. As it expands, it does 77 kJ of work. what is it change in internal energy for the system?
what hydrogen ion concentration should be required to dissolve 0.10m mgf2 if the ksp for magnesium fluoride is 6.8x10-9
you are titrating 75.00 ml of unknown concentration of hydrochloric acid with 0.649 m barium hydroxide. you add 38.72
Electrochemical cell potentials can be used to determine equilibrium constants that would be otherwise difficult to determine because concetnrations are small
How many liters of oxygen,O2,are required for the complete combustion of 1/2 mole of pentane,C5H12 at standard conditions
The following compounds, listed with their boiling points, are liquid at -10 degrees celsius: butane, -0.5 degrees celsius: ethanol, 78.3 degrees celsius: toluene, 110.6 degrees celsius.
If a diagnostic test starts with 15mCi of Ga-68, how much is left after the test if the test runs for 2 hr and 15 minutes?
list at least four themes by which enzymes interact with substrate to lower the transition state
A 530. g piece of copper tubing is heated to 92.0°C and placed in an insulated vessel containing 49.5 g of water at 39.5°C. Assuming no loss of water and heat capacity for the vessel of 10.0 J/K,
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