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According to Bohr model, the red line on the spectrum is hydrogen changing from what state (ni= ?) and to what state (nf = ?) ? Give calculation steps below to prove your choice.
Which of the following is true when comparing the hydrolysis of esters in acidic solution with the hydrolysis of esters in basic solution. both the inorganic and organic products are the same in both cases
If the heat change for the decomposition of 25.0 g hydrogen peroxide is -72.2 kJ, what is the enthalpy of reaction for the process with respect to moles of hydrogen peroxide?
When 50.0 mL of concentrated sulfuric acid is added to 1.15 g of sodium chloride, what volume (in mL) of hydrogen chloride gas is obtained at 1.00 atm pressure and 25oC?
Weight of Water Required, Calculate the weight of water required to steam distill 500mg of bromobenzene at 95 degrees Celsius.
A 1.00 L sample of chlorine gas at 1.00 atm and 298 K reacts completely with 1.00 L of nitrogen gas and 2.00 L of oxygen gas at the same temperature and pressure.
Given that the specific heat capacities of Fe(S) and water are 0.450 J/g? and 4.184 J/g?, respectively, what is the final temperature of the system
Order the following compounds according to their expected lattice energies: LiBr, LiCl, LiI, KI, NaI, Express your answers as chemical formulas. decreasing expected lattice energy separated by commas.
Consider the following initial rate data (at 295 K) for the decomposition of a substrate (substrate 1) which decomposes to product 1 and product 2
A 52.0-g sample of an alloy at 93.0°C is placed into 379 g of water at 22.0°C in an insulated coffee cup. Assume that no heat is absorbed by the cup.
Citric acid is a triprotic acid with pKa1=3.15; pKa2=4.77; pKa3=5.19. Calculate the concentrations of all species in solution.
Calculate the pH of this solution? if we want to lower the pH by one unit of this solution then How many mL of 0.1 M H 3 PO 4 should be added to this solution?
The U.S. recommended daily allowance (RDA) of folic acid, (C19H19N7O6) is 400.0 ?g. Calculate the number of molecules in the U.S. RDA. Do not enter units.
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