Chemistry, 16.07.2019 08:30 greend0719
Aplant uses carbon dioxide and water to form food and oxygen. why is this a chemical change? the mass of the plant increases greatly. the properties of water and food are same. the plant increases in height as food is produced. the properties of carbon dioxide and oxygen are different.
Answers: 2
Chemistry, 21.06.2019 23:30
What’s the scientific notation for the number 6,840,000,000
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Chemistry, 22.06.2019 00:00
How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.
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Chemistry, 22.06.2019 16:30
Asample of freon gas has a volume of 2.23 liters, a pressure of 4.85 kpa, and a temperature of -1.36°c. calculate the volume at a pressure of 1.38 kpa and a temperature of 5.5°c. (show work)
Answers: 1
Chemistry, 23.06.2019 00:00
The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?
Answers: 2
Aplant uses carbon dioxide and water to form food and oxygen. why is this a chemical change? the ma...
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