A 50 kg cart has 324 kg•m/s of

momentum. How fast is the cart going?

A 9.80 L container holds a mixture of two gases at 55 ° C. The partial pressures of gas A and gas B, respectively, are 0.298 atm and 0.589 atm. If 0.

What is the most effective way to differentiate between potassium feldspar and plagioclase feldspar?

A student added some sugar to a glass of water, but it did not dissolve quickly. What could the student do to increase the rate at which the sugar dissolves in the water?

At what temperature is the average speed of oxygen molecules equal to 1.12*104m/s?

An atom of carbon forms covalent bonds with two atoms of oxygen to form carbon dioxide how are the valence electrons of these atoms rearranged to form the bonds

Which substance contains bonds that involved the transfer of electrons from one atom to another? (1) CO2 (3) KBr (2) NH3 (4) Cl2

Write the ka expression for h2po4 - in water. click in the answer box to activate the palette.

Why are ethics important when considering experiments? O A. It is important that people are not harmed for the sake of science. O B. Scientists would not be able to get funding if their experiments were not ethical. O C.

When the pH value of a solution is changed from 2 to 1, the concentration of hydronium ions ... A) decreases by a factor of 2 B) increases by a factor of 2 C) decreases by a factor of 10 D) increases by a factor of 10

Nonmetals rarely lose electrons in chemical reactions because?