What must be known for the rate constant to be calculated from the rate law? O A. The reaction rate at known reactant concentrations
O B. The activation energy the reaction must overcome
C. The temperature at the beginning of the reaction
D. The reaction rate at known product concentrations

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83

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