Chemistry, 29.04.2021 01:50 biennhan9796
The balanced equation for the combustion of ethene is given below. If 97.7 g of oxygen is used, how much
heat energy will be produced?
C2H4+ 3O2 → 2CO2 + 2H2O + 1390 kJ
Answers: 2
Chemistry, 22.06.2019 14:40, elawnnalewis4855
Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d
Answers: 2
Chemistry, 22.06.2019 23:00, lufung8627
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Chemistry, 23.06.2019 10:30, thompsonjodi9638
Chemical bonds result from the interaction of the from two or more atoms. a. protons b. electrons c. neutrons d. nuclei
Answers: 2
Chemistry, 23.06.2019 16:00, devnnn44
Water is called the universal solvent because more substances dissolve in water than in any other chemical. this has to do with the polarity of each water molecule. the hydrogen side of each water (h2o) molecule carries a slight positive electric charge, while the oxygen side carries a slight negative electric charge.
Answers: 3
The balanced equation for the combustion of ethene is given below. If 97.7 g of oxygen is used, how...
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