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Gamma rays are high-energy photons. In a certain nuclear reaction, a γ-ray of energy 0.574 MeV is produced. What's the frequency of such a photon.
The formaldehyde content of a pesticide preparation was determined by weighing .3124g of liquid sample into a flask containing 50ml of .0996M NaOH and 50mL of 3%H2O2. On heating, the following reaction took place
A compound is produced when 6.08g of nitrogen combine completely with 13.92 g oxygen. What is this compound
A student placed 16.0 g of glucose C2H12O6 in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.mL mark on the neck of the flask was reached. The flask was then shaken unti..
How many microliters of 1.000 M NaOH solution must be added to 25.00 mL of a 0.1000 M solution of lactic acid HC3H5O3 to produce a buffer with pH = 3.75
calculate the amounts of nacl that would need to be added to 100 ml of 0.001 m khp to give four ionic strengths between
Use standard enthalpies of formation to determine ?Horxn for: 3NO2(g) + H2O(l) ? 2HNO3(aq) + NO(g) Enter in kJ. Find the change in internal energy for this reaction. Enter in kJ.
Diana Prince was completing a simple distillation, she connected her flask to her condenser and her condenser to her elbow and added keck clips and water lines
Consider the combustion of H2(g): 2 H2(g) + O2(g) →2 H2O(g). If hydrogen is burning at the rate of 0.48 mol/s, what is the rate of consumption of oxygen? What is the rate of formation of water vapor?
At this temperature, applying about 10,000 bar of pressure can dentature a protein. What is the molar volume change for the unfolding process?
nitric oxide no is made from the oxidation of nh3 and the reactions is represented by the following equation4nh35o2
one of the standard solution had an abnormally low absorbance reading, causing a less positive slope for the data plot. (a) will the equilibrium concentration of FeNCS^2+
an unknown organic compound has the empirical formula c2h2o. a solution of 3.775 g of the unknown compound dissolved in
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