Determine the total pressure in a closed vessel containing N2, O2, and CO2, if the partial pressure of N2 is 4 atm, and the partial pressure of O2 is 6 atm, and the partial pressure of CO2 is 20atm?

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

How have the greenhouse gasses increased from the year 2000 to 2018

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?