Chemistry, 13.02.2021 18:30 naenae2cold12021
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5 A mixture containing two anions was tested and the results are shown below.
test result
dilute nitric acid added effervescence of a gas which
turned limewater milky
dilute nitric acid added, followed
by aqueous silver nitrate
yellow precipitate formed
Which anions were present?
A carbonate and chloride
B carbonate and iodide
C sulfate and chloride
D sulfate and iodide
Answers: 2
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The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.
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Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.
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A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4β’_h2o what is the mass % of water in the hydrate?
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Chemistry, 22.06.2019 23:00
What is the measured amount of a product obtained from a chemical reaction?
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HI GUYS I NEED HELP ON CHEMISTRY SO I NEED CHEMISTRY STUDENTS TO ANSWER THIS PLEASE DONT GUESS OKAY?...
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