Will give brainlest to first correct quiz! asap answer all for 50 which of the following chemical equations is balanced? a. h2 + cl2 4hcl b. 4h2 + 2o2 2h2o c. 4fe + 3o2 2fe2o3 d. 2fe + hcl fecl2 + h2 which of the following chemical equations is balanced? a. p4 + o2 p2o3 b. cf4 + br2 cbr4 + f2 c. mgf2 + li2co3 mgco3 + 2lif d. na3po4 + koh naoh + k3po4 how many copies of f2 are required to balance this chemical equation? n2 + __f2 2nf3 a. 3 b. 4 c. 5 d. 6 how many copies of f2 are required to balance this chemical equation? n2 + __f2 2nf3 a. 3 b. 4 c. 5 d. 6 how many copies of o2 are required to balance this chemical equation? p4 + __o2 2p2o3 a. 1 b. 2 c. 3 d. 4 which of the following chemical equations is unbalanced? a. n2 + 2h2 2nh3 b. 2h2 + o2 2h2o c. p4 + 5o2 p4o10 d. 4na + o2 2na2o which is the balanced chemical equation representing the reaction between sodium metal and chlorine gas? na + cl2 nacl a. na + cl2 nacl b. na + cl2 2nacl c. 2na + cl2 nacl d. 2na + cl2 2nacl
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Biology, 22.06.2019 05:30
Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?
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Biology, 22.06.2019 10:00
The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.
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Biology, 22.06.2019 13:00
What is the one part of the nucleotide that differs among the other different nucle tides?
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Biology, 22.06.2019 16:30
These are the components of the reservoirs of carbon that are exchanged in our environment.
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Will give brainlest to first correct quiz! asap answer all for 50 which of the following chemical...
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