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Chemistry, 22.06.2019 02:30
Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?
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Chemistry, 23.06.2019 14:30
Among the elements of the main group the first ionization energy increases
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Chemistry, 23.06.2019 15:30
What is the predicted change in the boiling point of water when 1.50 g of barium chloride is dissolved in 1.50 kg of water?
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Chemistry, 23.06.2019 17:10
Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.
Answers: 1
What is the mass of 2.15 liters of N2 gas at stp 1.82 2.68 2.92 3.11...
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