A 25.2 mL sample of phosphoric acid was titrated with 32.0 mL of 0.550 M NaOH solution. What is the concentration of the
sample given the acid-base reaction shown below?
H3PO4 + 3NaOH = Na3PO4 + 3H2O
M

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 .

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?