Chemistry, 26.06.2019 14:00 reaunnatowns
Chang described two substances which participate in photosynthesis. substance a: plants absorb sunlight substance b: gas formed with glucose which statement is correct? substance a is chlorophyll and substance b is oxygen. substance a is oxygen and substance b is carbon dioxide. substance a is glucose and substance b is carbon dioxide. substance a is carbon dioxide and substance b is oxygen.
Answers: 1
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How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer
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What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5
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Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
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Chemistry, 23.06.2019 07:00
Which of the following statements is true? an atom consists of protons, electrons, and neutrons.an atom consists of protons and neutrons.an atom consists of electrons bonded to one another.an atom consists of protons bonded to one another.
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Chang described two substances which participate in photosynthesis. substance a: plants absorb su...
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