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Exactly 34.42 mL of 0.1013 M NaOH is used to titrate a 25.00 mL sample of H2SO4. What is the concentration of the sulfuric acid?
In 1978, scientists extracted a compound with antitumor and antivirus properties from marine animals in the Caribbean Sea. A sample of the compound didemnin-A
There are very few compounds that contain an element from the noble gas family (elements in column 18, rightmost column). Explain why there are so few noble gas compounds in nature.
The concentration of Mg2+ in a sample of water is 262 mmol/L At what pH will 99% of the Mg2+ be precipitated as Mg(OH)2? Ksp = 8.9 x 10-12
a solution is prepared by adding enough water to 387 g of CsCl to form 1 liter of solution. What is the mass of the solution? the density of the solution is 1.384 g/mL.
Calculate the theoretical yield of C2H5Cl when 106 g of C2H6 reacts with 236 g of Cl2 assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl
How much energy in kilojoules is required to convert 100 mL of water at its boiling point from liquid to vapor?
how much energy is required to vaporize 48.7 g of CH2Cl2 at its boiling point if its Hvap = 31.6 kg/mol
Beta-Dicarbonyl Compounds, There are two reason why the enols of beta-dicarbonyl compounds, such as pentane-2,4-dione are relatively stable.
Calculate the amount of energy released when 8.02g of Hydrogen reacts with excess Oxygen.
Determine the ion notation for an atom with 18 electrons and 20 protons
Determine the values of q, w, and ΔE0rxn for this given chemical reaction at constant temperature and pressure?
When a clear aqueous solution of calcium chloride (CaCl2) is mixed with a clear aqueous solution of sodium carbonate (Na2CO3), a white solid precipitate forms.
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