Chemistry, 10.11.2020 18:50, alisonlebron15
11. You are a scientist studying the properties of an unknown substance. You made three distinct observations:
1.) Mass = 92.63 kg
2.) Volume = 12.173 cm
3.) Temperature = 101 °F
What is the mass in grams?
A. 926.3 grams
B. 9,263 grams
C. 92,630 grams
D. 926,300 grams
What is the density of the unknown substance?
A 760.9 g/cm
B. 7.609 g/cm
C. 14, 210 g/cm
D 1.421 g/cm3
Answers: 1
Chemistry, 22.06.2019 23:30, johnnysteeler9934
The ammonia molecule in the diagram has the observed bond orientation because
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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
11. You are a scientist studying the properties of an unknown substance. You made three distinct obs...
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