7. Which of the following changes could be associated with either a chemical change OR a physical change?
a. The change cannot be reversed
b. Bending of metal
c. New substances formed
d. Change in color

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

How many miles of water are produced if 5.43 mol pbo2 are consumed

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?