Fill in the coefficient numbers on the final balanced chemical equations below a. HCl + NaOH à NaCl + H20

b. C2H6O + O2 à CO2 + H2O

. If the equations can be simplified (by dividing all coefficients by the same number), please do so.

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

Rohit is trying to tune an instrument

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?