The chart below shows the results of combining various substances. Which of the following statements is true?

We know combining Substances C and D resulted in a chemical reaction because of the lack of temperature change.

We know combining Substances A and B resulted in a chemical reaction because of the lack of temperature change.

We know combining Substances A and B resulted in a chemical reaction because a gas was formed.

We know that neither combinations resulted in a chemical reaction because neither had a color change.

Which compound contain an iron with a 3+ charge

According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.

The energy that powers a hurricane is derived from