Chemistry

Chemistry, 23.11.2019 04:31, jellybooooo7446

Explain how you are able to tell if a compound is soluble by looking at a reaction in a test tube.

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Biology, 25.06.2019 05:00, mel4245

Astudent is given five samples and told they are lysine (an amino acid), lactose (a disaccharide), insulin (a protein hormone), rna and fat. the samples are in test tubes marked 1-5, but the student doesn’t know which compound is in which tube. the student is instructed to identify the contents of each tube. in her first test, she tries to hydrolyze a portion of the contents of each tube. hydrolysis occurs in all tubes except tube 5. in the next test, she finds that tubes 3, 4, and 5 are positive for nitrogen but only tube 3 gives a positive result for the presence of sulfur. in the next test the student shows that the compound in tube 4 contains a high percentage of phosphate. in the final test the student shows that compound 1 is hydrophobic. base on these data, identify what is in each tube.

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Chemistry, 29.06.2019 04:40, heathkid23

You run an electrolysis of nacl and collect one of the products in a test tube. you realize later you did not label the test tube. you dip a strip of damp ph paper into the test tube and get no reaction. you dip a dry strip of ph paper into the tube and it turn dark blue. you hold a lit match near the mouth of the test tube and get no reaction. which product is in the test tube? a. sodium hydroxide (naoh) b. chlorine gas c. solid nacl d. hydrogen gas

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Chemistry, 26.08.2019 23:30, axleon11

Your chemistry experiment requires you to mix two chemicals in a test tube. to safely observe the chemical reaction you should: a- peer into the test tube from a safe distance b- keep your hand between eyes and the opening of the test tube c- keep the end of the test tube pointed away from you d- put your safety glasses on while peering into the test tube

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Chemistry, 26.09.2019 19:30, kayltosh2729

Astudent is given five samples and told they are lysine (an amino acid), lactose (a disaccharide), insulin (a protein hormone), rna and fat. the samples are in test tubes marked 1-5, but the student doesn’t know which compound is in which tube. the student is instructed to identify the contents of each tube. in her first test, she tries to hydrolyze a portion of the contents of each tube. hydrolysis occurs in all tubes except tube 5. in the next test, she finds that tubes 3, 4, and 5 are positive for nitrogen but only tube 3 gives a positive result for the presence of sulfur. in the next test the student shows that the compound in tube 4 contains a high percentage of phosphate. in the final test the student shows that compound 1 is hydrophobic. base on these data, identify what is in each tube.

Answers: 2

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Explain how you are able to tell if a compound is soluble by looking at a reaction in a test tube....

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