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Problem- Find the ratio of no of Na atoms in 3p excited state to the no. in ground state at 2500 K. the average wavelength of two sodium emission lines is 5892 A.
Solve the above problem and provide steps with explanation
triethylene glycol and heavy mineral oil are both high boiling, and high molecule solvents. What in their structural properties renders triethylene glycol
Question- How could you convert each of the following compounds into butanoic acid? Write each step showing reagents.
Determine the [H+] and the pH of a buffer containing 0.20 M acetic acid and 0.10 M sodium acetate. 2. Calculate the percent dissociation of acetic acid in this solution
200 words or less, Define implications of the proposal that all reactions are chemical equilibrium and that formation of the equilibrium is controlled by kinetics
The reaction caused the temperature of the solution to increase from 22.82 °C to 27.04 °C. If the solution has the same density as well as specific heat as water, explain what is ΔH for this reaction per mole of H2O produced. Presume that the tota..
Acetylene gas (C2H2) is produced by adding water to Calcium carbide CaC2. How many grams of acetylene are produced by adding water to 5g CaC2?
Describe Newman projection. Experiments have shown that for 1,2-dichloroethane, ClCH2CH2Cl, in carbon tetrachloride solution at 25C, 70% of the molecules are in the anti and 30% are in the gauche conformation
the activation energy for the reaction o o3 ? 2o2 is 25 kjmol and the enthalpy change is ?h -388 kjmol. what is the
Identify the qual 1 cation that is confrimed present in a reference solution by the formation of a precipitate? by the color of a soluble complex ion?
question calculate the energy in the form of heat in kj required to change 75.0 g of liquid water at 27.0 c to ice at
The rate law for the reaction, 2NO(g) + O2(g) -- 2NO2(g), is found to be: rate of reaction=k[NO]2[O2]2 (PLEASE note that the 2's after the concentrations are powers, so we have NO to the power of 2 and O2 to the power of
If the reaction 4NH3 + 5O2 yeilds 4NO + 6H2O uses 824 g NH3 and excess oxygen, how many moles of NO are formed?
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