Asample of hydrogen gas is found to be 8.50 l at a temperature of 38.0 c and a pressure of 725mm hg. find the volume at stp.

if someone could just explain to me how to solve this, . i don't understand it at all.

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.