How much excess reactant remains fromthe reaction 8.3 g of sodium and 4.5 g of chlorine

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

Which of the following units is not an official si unit? mole liter kilogram ampere