Mercury reacts with bromine to produce mercuric bromide, HgBr2. When 250g of Br2 react with 250g d Hg. (a) Which of the two substances is in excess. (b) how many grams of product are formed. (c) what weight of the substance remained unreacted.

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction

What type of chemical reaction occurs between silver nitrate (agno3) and copper (cu)? the equation i was given is 2agno3 + cu —> 2ag+ cu(no3)2.

The earth's surface is (science) a: studied using seismic waves b: constantly changing over time c: only studied indirectly d: the same today as million of years