4. Redraw the following compounds from most reduced to most oxidized. If compounds have identical oxidation states, draw them under each other. OH میر محمد ملک OH OH .OH OH HS سلام پر من OH most reduced most oxidized

8:32 ::! ? A moodle.nct.edu.om Not yet answered Marked out of 1.00 P Flag question General formula of alkenes is O CnH2n O Cn-2Hn O CnH2n+2 O CnH2n-2 Question 8 Not yet answered Marked out of 1.00 P Flag question A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Select one: O True O False

O O CH3 C C-O NAD+ NADH CH3—C−O + CO2 The reactant molecule is re-drawn in the drawing area below. Highlight in red any groups in this molecule in which carbon atoms are oxidized by the reaction. Highlight in blue any groups in which carbon atoms are reduced. If no carbon atoms are oxidized or reduced, check the box under the drawing area. O O CH₂ -C No carbons are oxidized or reduced. ·0 x È ? 00 Är

In the redox reduction that the chemical compound ethanol (C2H5OH) participates in while a Breathalyzer test is being used, is the chemical reaction that occurs, endothermic or exothermic?

HO HO.

Which of the following is the correct balanced equation for the complete combustion of the following hydrocarbon? OA 2C,H0 + 130, →8CO, + 10H,0 OB. C. + 602 →4C02 +4H20 OC2C,H, + 70, →8CO + 6H20 OD C,H3 + 60, →4C0; +4H20

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Heroin and morphine (shown below) are odorless solids. Drug-sniffing dogs can sometimes locate heroin that has been exposed to the elements because of a strong odor that is present in small quantities. What compound causes the odor and suggest what reaction is responsible for the compound's formation. H3C. но reaction? odor compound? 'N. CHз CHз H3C но herion morphine

What is the classification of the following reaction:   C3H8 + 5 O2 --> 3 CO2 + 4 H2O   Combustion Combination Decomposition Single Replacement

The oxidative removal of blue dye from wastewater can be described by a series of reactions. Sub = any generic sorbent. Given the following reactions: rxn 1) Sub + Blue dye → Sub-Blue Dye; AH = 60 kJ/mol %3D rxn 2) 2CO2 + 6H20 + 4NO2 + 2SO2 + 2Sub → 2 Sub-Blue Dye + 402 ; AH = 650 kJ/mol What is the enthalpy of the reaction: Blue Dye + 202→ CO2 + 3H20 + 2NO2 + SO2 ΔΗ-Ρ