MnO2(s) + 4HCl(aq) → MnCl2(aq) + Cl2(g) + H2O How many grams of HCl are required to produce 11.2 liters of Cl2? The reaction occurs in the presence of excess HCl and at STP. A) 20.0 g B) 36.5 g C) 48.5 g D) 73.0 g

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.

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?

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene