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Chemistry, 22.06.2019 17:30
Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by
Answers: 2
Chemistry, 23.06.2019 07:30
Assignment directions: pick one of the following chemists and perform a bit of research on him/her. answer the following questions. alice hamilton βββββ βββββ rosalind franklin marie curie βββββ βββββ gertrude b. elion ada yonath βββββ βββββ henry cavendish robert boyle βββββ βββββ antoine lavoisier mario j. molina βββββ βββββ svante arrhenius
Answers: 1
Chemistry, 23.06.2019 14:50
Use the bond energies provided to estimate Ξ΄hΒ°rxn for the reaction below. ch3oh(l) + 2 o2(g) β co2(g) + 2 h2o(g) Ξ΄hΒ°rxn = ? bond bond energy (kj/mol) c-h 414 c-o 360 c=o 799 o=o 498 o-h 464 use the bond energies provided to estimate Ξ΄hΒ°rxn for the reaction below. ch3oh(l) + 2 o2(g) β co2(g) + 2 h2o(g) Ξ΄hΒ°rxn = ? bond bond energy (kj/mol) c-h 414 c-o 360 c=o 799 o=o 498 o-h 464 +473 kj +206 kj -392 kj -91 kj -486 kj
Answers: 1
Chemistry, 23.06.2019 15:10
Certain types of organisms such as fireflies and anglerfish can produce light through chemical reactions in a process called bioluminescence. what kind of chemical reactions occur during bioluminescence? o a) exothermic ob) endothermic oc) recomposition od) decomposition
Answers: 2
H2SO4 reacts with NaOH, producing water and sodium sulfate. What volume of 2.0 M H2SO4 will be requi...
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