What is the charge on potassium (K) when it forms an ion? (1 point)
a
1+
b
...
Answers: 3
Chemistry, 22.06.2019 04:30
Why are people not able to scuba dive in the deep part of the ocean
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Chemistry, 22.06.2019 06:00
The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earthβs seasons.
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Chemistry, 23.06.2019 00:30
What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11Β°c
Answers: 1
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
Answers: 3
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