Rachel is using a bunsen burner to heat a solution. which of the following would let her control the rate of reaction in the solution? a replacing the amount of flame gas used with different rate.. b controlling the amount of air entering the combustion tube .. c placing the berner in open surroundings

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

In apex! a liquid heated beyond a certain temperature becomes

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.