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Question: If 0.839 g of KHP were titrated, and 45.82 mL NaOH solution were necessary to reach the equivalence point, what is the concentration of the NaOH solution?
After 77.0 min, 32.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics
Calculate the theoretical and percent yields, b: 20.0g of NaHCO3 is heated to form Na2CO3. Calculate the theoretical loss in weight on heating
Question- Hydrocarbons containing halogens are very useful molecules in synthetic chemistry. Use tabulated thermodynamic data as needed to calculate? Hf° for the reaction product in the equation shown below if? H° for the reaction is -41.00 kJ.
What volume is need to give 2L/min flow for 19200min with a tank pressure of 2500psi? Assuming Ideal behavior.
The male sex hormone testosterone contains only C, H, and O and has a mass of 288.2089 amu as determined by high-resolution mass spectrometry. What is the likely molecular formula of testosterone
Determine the empirical formula and draw a possible structure for an organic compound with the elemental composition
Consider the reaction of an aqueous solution of KOH with an aqueous solution of HC2H3O2. Which of the following should appear on the product side of this reaction
While 1.199 mole of naphthalene (C10H8), a solid is burned in a constant- volume bomb calorimeter at 298K, 48.19 kJ of heat is evolved. Compute delta U and w for the reaction on a molar basis.
Which of the following options give the correct relationships between the decimal prefixes? Select all that apply. Pay close attention to the sign and magnitude of exponent. -1 mL= 1x10^3 microliters -1GHz=1x10^6 Hz -10^3 kg=1 g -10^9 nm=1m -10ps=..
Write the balanced half-reaction ocurring at the cathode. What would the potential of the cell if it was modified to use 0.10M AgNO3 solution and a 0.30M Cd(NO)3 solution instead
Small helium-neon lasers emit 3.50 mJ/s of light at 634 nm. How many photons does such a laser emit in one minute?
What mass of ammonium chloride, NH4Cl, must be added to exactly 4.30 102 mL of 0.10 M NH3 solution to give a solution with a pH of 9.50
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