Chemistry, 20.09.2020 08:01 ordonez9029
Calculate the mass of the air contained in a room that measures 2.50 m × 5.50 m × 3.00 m (density of air = 1.29 g/dm3 at 25°C).
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Where are each of the three particles located within the atom?
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Chemistry, 21.06.2019 17:00
This line graph compares the growth of plants that were kept in the sun for different amounts of time.a) on day 7, the plants kept in the sun for 3 hours were how tall? b) on day 7, the plants kept in the sun for 6 hours were how tall? c) on day 10, the plants kept in the sun for 9 hours were how tall? d) on day 11, the plant that was grown with 1 hour of sunlight was how tall? e) based on the graph, the plant grows best in what amount of sunlight?
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Chemistry, 22.06.2019 08:40
For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate
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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
Calculate the mass of the air contained in a room that measures 2.50 m × 5.50 m × 3.00 m (density of...
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