How does the cow cross the road

If 59.3 grams of potassium chlorate decomposes, how many grams of oxygen gas can be produced? 2 KClO3 → 2 KCl + 3 O2

The composition of a compound is 20.01% carbon and 79.99% oxygen by mass. what is its empirical formula?

Which ion was formed by providing the second ionization energy to remove an electron?

What does d represent in the equation below? m = M + 5 log (d/10) A. luminosity B. spectral class C. diameter of a star D. distance to a star

A ping pong ball with a mass of 2.20 grams rolls along a frictionless table with a velocity of 0.850 m/s. what is the momentum of the ping pong ball?1.87 g m/s2.59 g m/s1.59 g m/s3.04 g m/s

Is condensation of dew on grass a chemical or physical change?

Which part of the eye controls whether or not the pupil dilates or constricts? iris cornea retina optic nerve

How to calculate acceleration

How long does it take vegetable oil to heat up to 350 degrees Fahrenheit

Homogeneous materials look the same throughout even throughout even though they contain different materials. A. True B. False