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Explain what volume of 1.75 M of hydrocholoric acid should be diluted with water to prepare 0.500L of 0.250M of hydrochloric acid? The volume of hydrochloric acid is desirable?
suppose that a fully charged lead-acid battery contains 1.50 rm l of 5.00 m rm h2so4. what will be the concentration of
The mole fraction of oxygen molecules in dry air is 0.2095. What volume of dry air at 1.00 atm and 25°C is required for burning 1.00 L of hexane (C6H14, density = 0.660 g/mL) completely, yielding carbon dioxide and water
What are differences between spectrum and continuous spectrum? Give an example. What does it mean when we say that the energy levels in the Bohr atom are quantized?
0.50mL methyl red dye solution with the concentration of C0 was diluted to 25.00mL utilizing THAM buffer in a 25mL volumetric flask. Explain what is the final concentration of the methyl red after dilution in the volumetric flask
Write the molecular form of the equation for the reaction.
The heat of vaporization of water is 44.0 {rm kJ/mol}. Calculate the quantity of energy released when enough water vapor condenses to form 0.42 inches of rain over an area of one square mile.
Determine the cell reaction, the standard cell potential (E0cell) and the half-cell that acts as the cathode for the voltaic cells composed of the following half-cells.
chymotrypsin is initially synthesized as an inactive precursor chymotrypsinogen. how is it activated and what are the
How many electrons could occupy a subshell with the following quantum numbers? A) n=5, l=4, B) n=2, l=0, ml=0
question ammonium nitrate can decompose explosively when heated according to the equation2nh4no3s --gt 2n2g 4h2og
distinguish between the primary quantum yield and overall quantum yield of a chemical reaction. describe an expermintal
what mass of (NH4)2SO4 must be dissolved in 0.100L of 0.350M NH3 to produce a buffer solution with pH 10.05?
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