What is the molecular formula of a compound with the empirical formula CH and a molar mass of 39.01 grams per mole?

Convert 8.50 moles Ca to atoms

Why are healthy streams important to people?

Which of these is a characteristic of weather? A. Changes weekly B. Changes gradually C. Reported as a pattern over time D. Reported as average conditions

When a liquid freezes and then melts the steps are exothermic?

You record the sea temperature at 12 degrees North 45 degrees West to be 27.5 degrees Celcius the humidity to be very high and a very light breeze, do you expect a hurricane to form in these conditions? Explain why or why not

Plants absorb light energy and store that energy in the form of what? A water B carbon dioxide C sugar D oxygen

If 21/825g hydrogen sulfate ion in 5litr water solotion, what the percentage of its ionization?

A redox reaction will occur at 298 K when zinc metal is placed in a solution that is 0.5M Fe (NO3) 3. Is this true or False.

Sodium chloride is stirred into water to form a solution. in this case, what are sodium chloride and the water?

1. A liquid is matter because it a) is hard, b) has its own shape, c) has mass and takes up space. d) living things could not survive without it.