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When a 3.25 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100.0 g of water, the temperature rose from 23.9 °C to 32.0 °C. Calculate ?H (in kJ/mol) for the solution process: NaOH (s) → Na+ (aq) + OH- (aq)Use a calorimeter heat capacity of Ccal = 15.8 J/°C
the intermediate(s) structure and reaction conditions, They are multistep so if you could please explain the route you chose
Why must you avoid using your hands in handling the magnesium ribbon and the crucible and cover? 2.Why must objects be cooled to room temperature before taking their weights(masses)
For the compound MX, Ksp is 2.00 × 10-11. The anion X- forms the weak acid HX (Ka = 1.8 × 10-5). Calculate the solubility of MX in 10.00 M strong acid.
When setting temperature scan program of Diffrential Scanning Chromatography,
Milk of magnesia is often taken to reduce the discomfort associated with acid stomach or heartburn. The recommended dose is 1 teaspoon, which contains 4.00×102mg of Mg(OH)2.
A student dispensed 20.00 mL of 2x10^-5 M blue #1 solution into a test tube. He then added 2.00 mL of NaCl solution and 2.00 mL of 2.50 % bleach solution.
How many mL of oxygen gas, measured at 757.2 mm HG (uncorrected) and 22.8 C by the displacement of water, would you expect to obtain from the complete decomposition
Conjugation of the functional group in alkyl socyanates has little impact on the antisymmetric -N=O stretching vibration located near 2770/cm . Explain.
Molecular formula of a compound and Deduce from these data the corresponding equation and write formulas for the oxide and sulfate of M .
light of wavelength 221nm striking a sample of tungsten causes electrons to be ejected with a speed of 6.04x10^5 m/s. calculate the work function of tungsten
TNT(trinitrotoluene) decomposes exposively What volumes of Hydrogen gas and Nitrogen gas are produced if 5.8 liters of CO is produced ?
If the partial pressures of N2, O2 and NO at equilibrium are 1.5 atm, 2.5 atm and 0.75 atm respectively, what is the equilbrium constants
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