Answers: 3
Chemistry, 21.06.2019 16:00, 20heldmadison
Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.
Answers: 1
Chemistry, 21.06.2019 18:10, hannacarroll2539
The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?
Answers: 1
Chemistry, 22.06.2019 08:00, wizz4865
Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next
Answers: 2
the solution of which substance will hold 70 grams of substance fro each 100 grams of water at 30 de...
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