Chemistry, 07.12.2020 23:00 rjennis002
Florian is testing some household supplies with red and blue litmus paper. The results are in the table below. A 3-column table with 3 rows. The first column labeled sample has entries glass cleaner, aspirin dissolved in water, sugar water. The second column labeled red litmus has entries red, blue, blue. The third column labeled blue litmus has entries blue, red, blue. What can he conclude about the pH of each sample? Glass cleaner is . Aspirin is . Sugar water is .
Answers: 3
Chemistry, 22.06.2019 12:00
Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.
Answers: 3
Chemistry, 22.06.2019 15:30
The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll
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Chemistry, 22.06.2019 22:30
Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility
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Chemistry, 23.06.2019 06:00
When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.
Answers: 1
Florian is testing some household supplies with red and blue litmus paper. The results are in the ta...
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