ch4 nacl nh4cl n2o4
Chemistry, 29.01.2020 10:45 ashleychantal99
Which of the following contains both ionic and covalent bonding?
ch4 nacl nh4cl n2o4
if the formula for a compound is represented by x2y3 and the charge on the y ion is -2, what is the charge in the x ion?
+1
+2
+3
+4
Answers: 2
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Increasing the substrate concentration in an enzymatic reaction could overcome which of the following? a) the need for a coenzymeb) allosteric inhibitionc) competitive inhibitiond) insufficient cofactors
Answers: 1
Chemistry, 22.06.2019 18:30
Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons
Answers: 3
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When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?
Answers: 3
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Why do the strengths of london (dispersion) forces generally increase with increasing molecular size? choose one: a. heavier atoms have stronger attractions for each other than lighter atoms. b. dispersion forces are all equal in magnitude; there is no size dependence. c. dispersion forces arise from the attraction between the nuclei of atoms, and larger molecules have larger nuclei. d. dispersion forces arise from dipoles caused by the electron distribution being distorted. larger molecules have more electrons and, therefore, more distortions and a bigger force. e. dispersion forces depend on distance. larger molecules are farther apart and so the forces are smaller.
Answers: 2
Which of the following contains both ionic and covalent bonding?
ch4 nacl nh4cl n2o4
ch4 nacl nh4cl n2o4
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