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Problem- Calculate the energy of a benzene (C6H6) molecule in the (nx,ny,nz) = (5,7,12) translational energy level in a 1mL container (hint: 1mL = 1 cm^3, so you know L in cm).
Provide complete computation
A buffer is made by mixing HCN and KCN to give a solution whose pH is 9.49. If the KCN molarity is 0.20 M, what is the molarity of the HCN?
question show that a 2.00 g sample of pbcl2 will dissolve in 25.0 ml of 1.00 m hcl.pbcl2s cl-aq pbcl3-aq kf
Magnesium metal reacts with hydrochloric acid to form magnesium chloride and hydrogen gas. Suppose we react an excess of magnesium metal with 20.0 ml of a 3.00M solution of hydrochloric acid and collect all the hydrogen in a ballon at 25C and 1.5 ..
to a sample of alkaline earth metal carbonate mco3 0.250 g was added 30.0 ml hcl 0.250 ml. carbon dioxide gas evolved
Sodium azide, NaN3 , is made for use in car 'air bags'. When this compound is heated to 300 degrees celsius, it rapidly decomposes into its elements.
assume that the unshaded spheres in the buret represent h ions the shaded spheres in the flask represent oh- ions and
If the percent yield of 3NO2 + H2O yields 2HNO3 + NO is 75.0 percent and 45.0 grams of NO2 are consumed in the reaction, how many grams of HNO3 are produced?
What is the lead ion concentration in a saturated lead(II)chloride solution made by adding solid PbCl2
hydrocarbon produced 24.8 g of CO2 and 8.44 g of H2O. What is the empirical formula for the hydrocarbon?
A student carefully diluted 50.0mL of 6 M HCI solution in 950.0 mL of distilled water. calculate the molarity of the diluted acid solution. Explain why this diluted HCI solution cannot be used as a standard solution of acid.
What will happen if all the solids in the nucleophile medium were not dissolved. How might this affect the outcome of the experiment
For the reaction, A(g) + B(g) => AB(g), the rate is 0.579 mol/L.s when the initial concentrations of both A and B are 2.00 mol/L. If the reaction is first order in A and second order in B, what is the rate when the initial concentration of A = 2.3..
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