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Consider the molecule H2CCCCCCCCH2. If the left-side H2C group lies in the xy-plane and the C-atom skeleton lies on the x axis, what is the hybridization of C for the right-side CH2 group?
15g of steam at 373 K is added to 250g of H2O at 298 K at constant pressure of 1 bar. Is the final state of the system steam or liquid water? Calculate changes in entropy for the process.
The bonding in BF3 requires formation of hybrid orbitals on boron. If the molecule is oriented in the xy plane, what is the identity of the unfilled p orbital on boron.
If 30mL of 6.8M H2SO4 was spilled , what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid.
Define Ideal gas law, Calculate the free energy of mixing when 1 mole of liquid A is mixed with 4 moles of liquid B at 25 degrees C to form an ideal solution. What is the change in chemical potential of component A?
Calculate the PH of a 0.015 Solution of carbonic acid, and what is the concentration
It is possible to define metallic character as we do in this book and base it on the reactivity of the element and the ease with which it loses electrons.
A sample of oxygen that occupies 2.5 × 10-6 mL at 508 mm Hg is subjected to a pressure of 1.2 atm. What will the final vol ume of the sample be if the temperature is held constant?
a piece of gold jewelry that weighs 9.35 g and has a volume of 0.654 cm3. The density of pure gold is 19.3 g/cm3 and the density of pure silver is 10.5 g/cm3.
A 2.00-g sample of a large biomolecule was dissolved in 19.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
What is the molarity (mol/L) of a potassium permanganate solution if 14.09 mL of it was used to titrate a 10.00 mL sample
A clinic took temperature readings of 250 flu patients over a weekend and discovered the temperature distribution to be Gaussian, with a mean of 101.00°F
when separated from a water solution CuSO4 forms a hydrate with 5 wlater molecules per formula unit. if 47 g of anhydrous CuSO4 are dissolved in water, what mass of the hydrate could be recovered from the solution.
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