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Understanding oxidation state of following: Is it always a whole number? What is oxidation state of Fe in Fe3O4?
Problem- A sample of gas with an initial volume of 33.5L at a pressure of 755mmHg and a temperature of 325K is compressed to a volume of 15.6L and warmed to a temperature of 425K.
Question- Which of the subsequent ions will react with water in a hydrolysis reaction- Na+, Sr2+, Al3+, F-, I-, (SO3)2-, (SO4)2-
Sometimes redox reactions happen differently in acidic or basic solutions. Explain, in your own words, the difference in how you balance a reaction in acidic solution and basic (alkaline) solution.
A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature?
Assuming that all of the gas in a helium tank containing 500g of He is used to fill balloons with an average volume of 2.5L of Helium, approximately how many balloons could be filled at STP
Question- The nuclear fusion of a lithium-7 nucleus and nuclide X releases two alpha particles and a neutron. Identify nuclide X
what will be the concentration of dichlobenil in the pond? The following conversion factors will be helpful: 1 acre=43,560ft2 1ft=12in 1in=2.54cm 1cm3=1mL 1ft3=28,317cm3
Calculate the wavelength and frequency of an emitted gamma particle having the energy of 1.29x 10^11 J mol. Enter in scientiic notation.
A 100. mL aliquot of this solution required 35.5 mL of 2.50 M hydrochloric acid for complete neutralization. What mass percent of sodium chloride was present in the original 50.0 g mixture
Three 5 L flasks, fixed with pressure gauges and small valves, each contain 4 g of gas at 273 K. Flask A contains H2, flask B contains He, and flask C contains CH4. Rank the flask contents in terms of the following properties.
If additional ammonia is introduced into the equalibrium mixture without changing the temperature until the pressure is 700 torr, what is the partial pressure of H2S under these conditions? What is the final total pressurein the flask when the new..
The densities of the two allotropes are 2.27g/cm3 (graphite) and 3.52 g/cm3 (diamond) at the temperature of the environment. Explain By how much does U for the transition differ from H in a region where the pressure is 500 kbar
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