Consider the reaction of glucose with oxygen: C6H12O6(s) 6O2(g) Right arrow. 6CO2(g) 6H2O(l) The enthalpy of formation (Delta. Hf) for C6H12O6(s) is â€"1,273. 02 kJ/mol, Delta. Hf for CO2(g) is â€"393. 5 kJ/mol, and Delta. Hf for H2O(l) is â€"285. 83 kJ/mol. What is Delta. Hf for O2(g)?.

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory