Draw the major product formed when HBr reacts with the given epoxide. A 5 carbon ring is fused to an epoxide through a carbon. The other epoxide carbon has a methyl substituent. This reacts with H B r to give the product.

Compare and contrast physical changes with chemical changes.

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3