What is the Total pressure of a mixture of gases, with 23 atm, 10 atm, 16 atm, and 30 atm?

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

The vapor pressure of ethanol is 1.00 × 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)