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You must determine the volume of an irregularly shaped solid object. Unfortunately, the solid floats when placed in water, therefore traditional water displacement cannot be used. How can the displacement method used today be altered to determine the volume of the solid?
What would the major product of the reaction be if t-butyl alcohol was combined with acetic acid in the presence of H2SO4?
How many milliliters of 0.0759 M NaOH are required to titrate 25.0 mL of 0.0896 M HBr to the equivalence point?
explain why it is appropriate to group a polyatomic ion in parentheses in a chemical formula, if more than one of that ion is present in the formula.
The mass of a red blood cell is about 33 pg, and it contains typically 3 × 108 hemoglobin molecules. Each hemoglobin molecule is a tetramer of a myoglobin-like molecule; the molar mass of myoglobin is 16.1 kDa. What fraction of the mass of the cel..
a 0.692 g sample of glucose c6h12o6 is burned in a constant volume bomb calorimeter. the temperature change is measured
The heat of vaporization of CCl2F2 is 289 J/g. What mass of this substance must evaporate to freeze 165 g of water initially at 15°C? (The heat of fusion of water is 334 J/g; the specific heat of water is 4.18 J/g-K.)
what concentration of hcl will have a ph of 3.0? and if sufficient naoh is added to the hcl the change the ph to 4.0
What quantity of iodine can be obtained if 20.0g of NaI is mixed with 10.0g of MnO2 and a stoichiometric excess of sulfuric acid
what mass of water must be used to dissolve 20.0 grams of ethanol, C2H5OH, to prepar a 0.0500 molal solution of ethanol
Chemical Syntheis :At the end of the reaction you are to add ice. Which of the following are reasons for the adding ice. The melting ice dilutes the concentrated acids. The ice cools the reaction thus slowing it down to the point where it is effectiv..
What is the [H30+] in the final solution after mixing 0.500 L solution of 0.100M HbrO4(aq) with 0.600L of 0.010M solution of NaOH
An unknown liquid sample is analyzed using paper chromatography using solvent X as the mobile phase. One spot is observed after the plate is developed and visualized.
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