Chemistry, 14.09.2021 19:50 amirasaleh1012
The scientific method is the way scientists solve problems. Scientists begin to solve a problem by making .
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Chemistry, 22.06.2019 08:00
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
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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 βΆ co2(g) latex: \delta Ξ΄ hΒ° = β393.5 kj/mol h2(g) + o2 latex: \longrightarrow βΆ h2o(l) latex: \delta Ξ΄ hΒ° = β285.8 kj/mol ch3oh(l) + o2(g) latex: \longrightarrow βΆ co2(g) + 2h2o(l) latex: \delta Ξ΄ hΒ° = β726.4 kj/mol
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Chemistry, 23.06.2019 05:30
Scientist think that animals with remarkably similar embryo development probably shared a common ancestor
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Chemistry, 23.06.2019 13:30
Which of these statements describes the size of an atom? a. an atom is larger than a sheet of aluminum foil. b. an atom is small but can be seen with just our eyes. c. an atom is the size of a plastic building block. d. an atom is tiny and cannot be seen without magnification.
Answers: 2
The scientific method is the way scientists solve problems. Scientists begin to solve a problem by m...
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