Chemistry, 04.08.2019 21:40 Chandler1Gaming
Methane combines with oxygen in the air to make carbon dioxide and water vapor. which of the chemical equations matches the reaction above? a. ch4 + 2o2 co2 + 2h2o b. c2h4 + 2o2 2co + 2h2o c. ch4 + 2co2 2co2 + 2h2o d. ch4 + 2o 2co + 2h2o
Answers: 1
Chemistry, 21.06.2019 15:00
Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.
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Chemistry, 23.06.2019 03:00
You have a sample of a metal, the sample is exactly 6.02 x 1023atom, if the sample has a mass 55.85 what metal is your sample made of?
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How many moles are equal to 2.4Γ10^23 formula units of sodium chloride
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Using the periodic table complete the table to describe each atom type in your answers
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Methane combines with oxygen in the air to make carbon dioxide and water vapor. which of the chemica...
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