Jason took 6 hours to travel 540 km. For the first 140 km, he took 2 hours.
What was his average speed during the first two hours? ___ km/h
How much distance did he cover in the last four hours of his journey? ___ km
What was his average speed for the rest of the journey? ___ km/h
Answers: 1
Chemistry, 22.06.2019 17:10, mikeeway33
Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.
Answers: 2
Chemistry, 23.06.2019 02:40, towelmearowel
Calculate the standard enthalpy of formation of liquid methanol, ch3oh(l), using the following information: c(graphite) + o2 latex: \longrightarrow ⟶ co2(g) latex: \delta δ h° = –393.5 kj/mol h2(g) + o2 latex: \longrightarrow ⟶ h2o(l) latex: \delta δ h° = –285.8 kj/mol ch3oh(l) + o2(g) latex: \longrightarrow ⟶ co2(g) + 2h2o(l) latex: \delta δ h° = –726.4 kj/mol
Answers: 3
Chemistry, 23.06.2019 06:00, girlwonder326
+= + + balance the equation on coefficients, ex. 1,1,1
Answers: 2
Jason took 6 hours to travel 540 km. For the first 140 km, he took 2 hours.
What was his average sp...
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