Reducing the volume of a gas its pressure if the temperature of the gas and the number of particles are constant.

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .

Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water