Chemistry, 14.05.2021 19:40 sunpelt9993
The ice record shows a period in Earth's history when there was an ice age and the global average temperature was
much colder. During this time, the ice record shows the amount of carbon dioxide in the atmosphere decreased, but the
amount of energy from the sun did not change. How did the the total amount of energy in the Earth system change, how
did this change happen, and how did it contribute to the ice age?
Answers: 1
Chemistry, 21.06.2019 18:30
Calculate the change in entropy if br2(l) is converted into gaseous br atoms. s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)
Answers: 2
Chemistry, 23.06.2019 00:20
How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal
Answers: 1
Chemistry, 23.06.2019 13:00
If volume remains the same while the mass of a substance the density of the substance
Answers: 1
Chemistry, 23.06.2019 13:00
Johnny's bakery has 30,900 grams of sugar. a recipe calls for 32 pounds of sugar to be used. how much sugar will be left over? (1 lb=453.59 g).
Answers: 2
The ice record shows a period in Earth's history when there was an ice age and the global average te...
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