Raul wants to know which species of grass will grow best in his yard. He plants'four different types and waters them according to the directions on the package. All four receive the same amount of
sunlight and are planted in the same type of soil. After a few days, he begins to see a difference in
how fast the different types of grass ar& growing. What is the outcome variable (dependent
variable) in Raul's investigation?

What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.

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