The vapor pressure of methanol at 25 is 0.1663. Calculate the vapor pressure in kPa. Be sure your answer has the right number of significant digits.

what is the term for the spatial region about the nucleus of an atom where there is a high probability of finding an electron with a given energy?

A compound made of two elements, iridium (Ir) and oxygen (O), was produced in a lab by heating iridium while exposed to air. The following data was collected: Mass of crucible: 38.26 g Mass of crucible and iridium: 39.

Four students presented different analogies to describe the formation of an ionic bond. Student A: Two countries using a common waterway for navigation Student B: A small dog and a big dog tugging at a bone with equal strength Student C: Two

Look at the circuit diagram. True or False, the diagram represents a series circuit. oo True False

A sample of neon has a volume of 5.00 L, and initial temperature of 425 K, and an initial pressure of 1.23 atm. If the final temperature is 288 K, and the final volume is 0.555 L, what is the final pressure? 5.04 atm 7.51 atm 1.82 atm 9.08 atm

As you go down a family or group on the periodic table * the atoms become smaller and smaller. the elements become less reactive. the elements become more reactive. the atoms have more and more valence electrons.

What is the name of the horizontal rows in the periodic table?

Matter that has a uniform and definite composition is called?

Identify eight major tectonics plates by writing their names

How are atoms and elements alike and different?