What is the velocity of a car traveling from the east coast to the west coast at an average speed of 5omph

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.