Chemistry, 06.12.2019 05:31, DisneyyKayy
Calculate δh∘ in kilojoules for the reaction of acetylene (c2h2) (δh∘f=227.4kj/mol) with o2 to yield carbon dioxide (co2) (δh∘f=−393.5 kj/mol) and h2o(g) (δh∘f=−241.8kj/mol), a reaction which is supplied by the industrial gases industry for oxyacetylene gas welding and cutting due to the high temperature of the flame.
Answers: 2
Chemistry, 21.06.2019 17:00, Luzperez09
Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?
Answers: 1
Chemistry, 21.06.2019 18:00, sleimanabir
Balance this equation: n2 + h2 > nh3, write the following molar ratios: n2 / n2 / nh3 h2 /
Answers: 1
Chemistry, 22.06.2019 03:50, sgslayerkingminecraf
Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.
Answers: 1
Calculate δh∘ in kilojoules for the reaction of acetylene (c2h2) (δh∘f=227.4kj/mol) with o2 to yield...
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