5.0g sample of dry ice turned into 2400cm3 of carbon dioxide gas at RTP. What is the percentage purity of the dry ice?

If the same amount of cacl2 is added to equal volumes of water and maple syrup, which will have the higher temperature?

Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?