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Based on the ionization energies of the alkali metals, which alkalimetal would you expect to undergo the least exothermic reaction with chlorine gas?
A powerful blender that is currently available in the market is rated at 1.2 hp. if the blender is filled with water at 70 °F and operated, the rotating blades can cause the water to boil.
from your understanding of collniative properties how would you design an experiment to measure the freezing point of a
The flourocarbon compound C2Cl3F3 has a normal oiling point of 47.6 degrees C. The specific heat of C2Cl3F3(liquid) and C2Cl3F3(gas) are 0.91 J/gK and 0.67J/gK respectively. The heat of vaporization for he compound is 27.49 kJ/mol.
acetylene (C2H2) torches are used in welding. How much heat in kJ evolves when 5.0g of C2H2 (d=1.0967kg/m^3) is mixed with a stoichiometric amount of oxygen gas?
Boron nitride, BN, has a graphite-like layered structure in which the layers have eclipsed alignment where the B and N atoms in alternative layers in the direction perpendicular to the layers.
A 250.0-mL sample of water was adjusted to pH 10 with ammonia buffer and calmagite indicator was added. The prepared sample required 30.84 mL of 0.00802 M EDTA for titration to the endpoint. Calculate the hardness as ppm CaCO3
A 40 foot fiberglass boat hull weighs 2000 kg. 60% of that is a fully cured crosslinked polyester resin (the remainder is the glass reinforcing fibers, pigment, fillers, etc.).
Calculate the volume of hydrogen bromide that can be prepared by reacting 10.0 grams of phosphorus tribromide with excess water at 21 degrees C abd 735mmHg
describe why benzoic acid and 4-nitroaniline must be air dried for such a long time or placed in an oven before taking a final mass and finding the melting point
In one city, a balloon with a volume of 6.0 L is filled with air at 101 kPa pressure. The balloon in then taken to a second city at a much higher altitude
From this information and the atomic mass, calculate the edge length of the unit cell. Now assume that rubidium atoms are spheres. Each corner sphere of the unit cell touches the body centered sphere. Calculate the radius of a rubidium atom.
From the data below, calculate the total heat (in Joules) needed to convert 0.333 mol of gaseous Ethanol (MW - 46.07 g/mol) at 300 degrees Celsius
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