What is the ph of a solution with a concentration of 2.4 x 10-5 molar h3o+? show, or explain, the work used to solve this problem.

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 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.

Achemist who studies water samples did a demonstration of how to test for lead in water. she added a clear solution of potassium iodide to a clear solution of lead nitrate. then a yellow swirling solid formed in the liquid. what is most likely true about the yellow solid?

Which factors would have influenced earth’s climate during the time of pangea? check all that apply. land covered by glaciers one large landmass one large ocean tectonic activity multiple small seas