Which element is classified as a nonmetal?
(1) be (3) si
(2) al (4) cl...
Chemistry, 19.08.2019 13:10 Animallover100
Which element is classified as a nonmetal?
(1) be (3) si
(2) al (4) cl
Answers: 1
Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) β al2o3(s) + 2fe(s) the Ξ΄hf for fe2o3(s) = -824.3 kj/mole. the Ξ΄hf for al2o3(s) = -1675.7 kj/mole. finish the equation. Ξ΄hrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Chemistry, 23.06.2019 06:00
β’what conclusions can you make about the relationship between the volume of a gas and its temperature? β’ what conclusions can you make about the relationship between the volume of a gas and its pressure? β’ what possible variables have you not accounted for? as you did the procedures, is it possible that the atmospheric pressure may have changed? if it did change over the course of your experiment, then how would your results have been affected?
Answers: 3
Chemistry, 23.06.2019 13:00
If volume remains the same while the mass of a substance the density of the substance
Answers: 1
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