Calculate the molecular formula if a compound with an empirical formula of CFBrO and a molar mass of 254.7 grams per mole

If e is the symbol for an element, which two of the following symbols represent isotopes of the same element? 1. e2. e3. ea.1 and 2c.1 and 4b.3 and 4d.2 and 3

Explain how electricity can be conducted by acids and bases

Bernard is an excellent chef. however, his beef steak did not turn out well. bernard forgot that steak is tender and has less collagen, and he used the wrong cooking technique. which is the correct technique that bernard should have used? this subject is actually home ec they didnt have it when i had to pick so i chose anyone .