Chemistry, 26.07.2019 21:30 SunsetPrincess
What is the best conclusion that can be drawn? i. all the energy contained within the organisms in the web comes from the sun. ii. the energy from the caterpillar is transferred to the plant. iii. the hawk is the top predator. iv. energy is transferred from organism to organism in this food web. v. the bunny is the organism that harnesses the energy from the sun.
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Chemistry, 22.06.2019 13:00
The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false
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What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Chemistry, 22.06.2019 16:30
Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?
Answers: 2
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