What is the ph of 100 ml of a buffer that is 0.5 m hcno and 0.5 m cno− when 100 ml of a 0.2 m naoh solution is added? assume the volumes are additive. ka of hcno is 3.5 × 10−4.

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick

The boiling point of liquids is very high what does it indicate