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1- Write the isotope needed, by identifying A, Z, X and , to balance the following nuclear fusion reaction: 3/1 H+3/1H--->21/0n+A/Zx
2- Write the isotope needed, by identifying A, Z, and X, to balance the following nuclear fission reaction: 235/92 U+1/0 n--->140/56 Ba+A/Zx+31/0 n
What is the percent yield of a reaction in which 111.6 g phosphorus trichloride reacts with excess water to form 60.8 g HCl and aqueous phosphorous acid (H3PO3)?
What volume of an organic solvent must be used to effect 90% seperation in one extraction when only 2.7 g of a certain compound dissolves 100 ml of water? (K=15).
The relative abundances of the stable isotopes of the elements are not entirely constant. For example, in some geology samples (soils and rocks) the ratio of 87Sr to 86Sr is affected by the presence of a radioactive isotope of another element, whi..
compute the partition coefficient for the compound between C 6 H 14 and H 2 O (Kphexane/water).
The normal boiling point of water (delta H vap = 40.7 kJ/mol) is 100c. At the summit of mount Everest the boiling point of water is 70 c. Calculate the pressure in (torr) at the summit of Mount Ev.
For AuCl, Ksp = 2.0 x 10-13 at 25°C. What is the solubility of AuCl at this temperature?
If 393.5 kJ of heat is released per mole of graphite and T increases 2.613 K, what is the heat capacity of the bomb calorimeter
What is the limiting reactant when equal masses of iron(III) nitrate and potassium phosphate react in solution?
An ore containing 24% solid inert and 76 mol% iron pyrites (FeS2) is roasted in the presence of dry air at 500 °C and 1 atm. Considering the given reactions.
Explain the steriochemisty of gyceraldehyde and glycerol, give reasons for absence of anomeric forms in sucrose
What is the energy difference between the staggered and eclipsed conformations of 2,2,-dimethylpropane if the eclipsing cost of Me and H is 6 kJ/mol
lemon juice has a ph of about 2.5. Assuming that the acidity of lemon juice is due solely to citric acid, that citric acid is a monoprotic acid,
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