Phosphine gas reacts with oxygen according to the following equation: PHx + O2 (9) + P. Ombs) H2O (g) equation is not balanced Balance! The equation and calculate the mass of tetraphosphorus decide (Pio produced from 12.43 mol of phosphine (PH3) and 15/2 mol of oxygen,

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?

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments

Why is the bottom layer of a trophic pyrimid the