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Question- Write the complete nuclear equation for the bombardent of a 14N atom with an alpha particle to yield 17O. Show the atomic number and mass number for each species in the equation
Here is the problem which I am harassed on please help me
Given a solution that is prepared by combining 1.254 g of MnSO4 with 1.45Kg of H20, provide the ppm and % composition by weight of MnSO4.
A solid mixture contains MgCl2 and NaCl. When 0.5000 g of this solid is dissolved in enough water to form 1.000 L of solution, the osmotic pressure at 25°C
An environmental chemist obtained a 200 mL sample of lake water believed to be cntaminated with a single monoprotic strong acid.
Picric acid has been used in the leather industry and din etching copper. However, its laboratory use has been restricted bycause it dehydrates on standing and can become shock sensitive. It has an acid dissociation constant of .42. What is the [H..
Calculate the molarity for: A.0.5g CO2 in 652 g of water. B. 56g of NH3 in 500 g of water. C. 3.21 g of NaOH in 3405 ml of water.
Calculate the decomposition for this process at constant pressure and 25o C: CaCO3(s) = CaO(s) + CO2 look up the standard enthalpy formation of the reactant and product
Set up and solve the Huckel secular equations for the pi electrons of NO3-. Express the energies in terms of the coulomb integrals alphao and alphan and the resonance integral beta. Determine the delocalization energy of the ion.
The phosphorous anion (P-) has how many total electrons and how many valence electrons?
Calculate the mass of urea that should be dissolved in 201 g of water at 35°C to produce a solution with a vapor pressure of 37.1 mmHg.
I take 250.0 mL of 0.250 M sugar and mix it with 500.0 mL of 0.100 M NaCl. What is the concentration of sugar in the mixture. What is the concentration of NaCl in the mixture
The oxygen gas collected over water occupied 52.4mL at a temperature of 30.°C as well as a pressure of 736 torr. Compute the mass percent of NaClO3 in the original sample. At 30.°C the vapor pressure of water is 31.8 torr.
The standard electrode potential for the reduction of Eu3+(aq) to Eu2+(aq) is ?0.43 V. Use the data in Appendix D to determine which of the following is capable of reducing Eu3+(aq) to Eu2+(aq) under standard-state conditions
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