Chemistry, 14.07.2019 17:00 bryanawesome23
Urgent write a letter to the "city council" ill give the brainiest and a bunch of point happens to pure substances and mixtures we create and use in our homes and businesses? as a material engineer you have been hired by your city council to investigate how to safely handle waste in your community. for example, household toxic waste (batteries, paint, cleaners), sewage, pesticides. research household carbon monoxide, lead, bleach, and paint to determine if they are a pure substance or a mixture. choose 1 pure substance example and 1 mixture example to compare and contrast in a presentation to the city council along with a plan for how each can be safely disposed of into the environment.
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Chemistry, 22.06.2019 03:40
Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)
Answers: 3
Chemistry, 22.06.2019 09:30
Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump
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Chemistry, 23.06.2019 00:30
What is the percent by mass of magnesium sulfate in mgso4.7h2o
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Chemistry, 23.06.2019 02:40
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
Urgent write a letter to the "city council" ill give the brainiest and a bunch of point happens...
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