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If a balloon at 25* C with 2.3 L of volume is expanded to 40.0 L, what will the new Celsius temperature be?
What is the molar concentration of As(III) in a solution if 28.95mL of 0.120 M KBrO3 is needed to titrate 54.65 mL of the As(III) solution? The balanced equation is
What is the main compound formed in the digestion of carbohydrates?
an equilibrium mixture of o2 so2 and so3 contains equal concentration of so2 and so3. calculate the concentration of o2
What is the difference between a common name, IUPAC name, a name in an international journal, and a name in an American journal? I understand how to do IUPAC names, but then I am confused at the rest.
Problem- 1) What is molar solubility of BaF2 in a solution containing 0.150 M Ba(NO3)2
The electron in a hydrogen atom moves from level n=4 to level n=6. Is a photon emitted or absorbed?
Starting with 2-methyl-3-hexanone, show the complete mechanism for the acid-catalyzed formation of the imine using propylamine (Pr-NH2.)
The dimensions of a rectangular solid are 8.45 cm long, 4.33 cm wide and 2.85 cm high. If the density of the solid is 9.43 g/cm3, then determine the mass?
A 65.5-g piece of lead at 91 °C was immersed into 50.0-g water at 25.0 °C. The water temperature rose to 27.5 °C. Calculate the molar heat capacity of the metal.
Classify the substances according to the strongest solute-solvent interaction that will occur between the given substances and water during dissolution.
Calculate the atomic mass for magnesium using the weighted average mass method. Express your answer using two decimal places and include the appropriate units.
A compound is 42.9% C, 2.4% H, 16.7% N, and 38.1% O, by mass. Addition of 6.00 grams of this compound to 50.0 ml benzene, C6H6 (d = 0.879 g/mL), lowers the freezing point from 5.53 to 1.37 degrees celsius. What is the molecular formula of this com..
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