Chemistry, 31.07.2020 05:01 stormserena
Which of the following pollutants could be reduced through proper maintenance and area ventilation to improve human health?
Asbestos
Chimney soot
Formaldehyde
Natural pesticides
Answers: 3
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What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?
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Assume that 13.5 g solid aluminum (al) react with hcl to produce solid aluminum chloride (alcl3) salt and gaseous hydrogen (h2) at standard temperature and pressure.
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Chemistry, 23.06.2019 09:40
Write balanced nuclear equations for the formation of five elements whose atomic number is between helium (2) and iron (26):
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Use the bond energies provided to estimate δh°rxn for the reaction below. ch3oh(l) + 2 o2(g) → co2(g) + 2 h2o(g) δh°rxn = ? bond bond energy (kj/mol) c-h 414 c-o 360 c=o 799 o=o 498 o-h 464 use the bond energies provided to estimate δh°rxn for the reaction below. ch3oh(l) + 2 o2(g) → co2(g) + 2 h2o(g) δh°rxn = ? bond bond energy (kj/mol) c-h 414 c-o 360 c=o 799 o=o 498 o-h 464 +473 kj +206 kj -392 kj -91 kj -486 kj
Answers: 1
Which of the following pollutants could be reduced through proper maintenance and area ventilation t...
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