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When 6.853 mg of sex hormone was burned in a combustion analysis,19.73 mg of CO2 and 6.391 mg of H2O were obtained. What is the empirical formula of the compound ??
Using paper chromatography, a student separated a dye spot into three components, A, B, and C. The components traveled 4.2 cm, 5.7 cm, and 8.0 cm,. respectively from their initial position on the strip
A student in a hurry decides to let the solvent travel only half way up the chromatographic paper in chromatogram 2. predict the effect of this procedural change on the resultion
15 g of steam at 373 K is added to 250g of H2O (l) at 298 K at constant pressure of 1 bar. Is the final state of the system steam or liquid water? Calculate ?S for the process.
If 17.2 mL of 0.800 M hydrochloric acid solution are required to neutralize 5.00 mL of a household NH3 solution, determine the molar concentration of the NH3,ammonia?
Is it possible to draw a line structure of NaCl, or table salt? I tried to Google it, but I just got a lot of line structures that were NOT NaCl. There's no carbon, so I don't know how one would draw a line structure of this.
Calculate the pH of a solution made by adding 77 g of sodium acetate, NaCH3COO, to 24 g of acetic acid, CH3COOH, and dissolving in water to make 700. mL of solution.
A 2.00 L glass soda bottle filled merely with air is tightly capped at 24 C and 744.0mmHg. If the bottle is positioned in water at 75C what is the pressure in the bottle
Find the volume in milliliters of 0.35 NaOH required to neutralize the HCl produced by complete solvolysis of 1ml of t-BuCl (2-chloro-2-methylpropane)
balance the following reaction which occurs in acidic aqueous solution using the smallest possible integer coefficients
If you are to construct the molecular orbital energy diagram of ScBr, do you think the energy levels will be closer to the atomic orbital energy of Sc or Br. Why.
If hydrogen and Fe3O4 are the products when iron as well as steam is mixed, state a balanced chemical equation for this chemical reaction
question a cylinder containing 23.5 moles of nitrogen gas has a volume of 9.81l. what is the pressure of the gas at
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