PLEASE HELP! Also please include a step-by-step on how you got your answer Determine the frequency of light with a wavelength of 4.50 X 10-7m. What color is the light?

How many liters of water vapor can be produced if 108 grams of methane gas (ch4) are combusted at 312 k and 0.98 atm? show all work. pls ! will mark as brainliest

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals