Which of the following definitions describes a chemical hazard?
a. can be present in dust, fu...
Chemistry, 13.11.2019 21:31 erieannapickett12
Which of the following definitions describes a chemical hazard?
a. can be present in dust, fumes, liquids, solids, mists, vapors, or gases of products used at a site or released during a construction job
b. microorganisms, such as bacteria, fungus, mold, or viruses that can cause illness
c. the most commonly thought of hazards for construction
d. these hazards can lead to injuries to the joints or muscles by way of heavy, frequent lifting, repetitive tasks
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Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?
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If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?
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Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
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