Which is an example of a chemical change?

ripping paper

chopping wood

baking a cake

stretching a rubber band

What is the acronym that describes conditions that promote bacterial growth?

You have a round pie plate filled with water. you carefully release a drop of red food coloring in the center of the plate. what happens to the red dye molecules right after the drop is placed?

Is soidum bicarbonate and silver nitrate reacting a chemical or physical change?

When light enters a pair of glasses, it what when it hits the glass

Suggest a reason why the equilibrium between succinic acid and acetic anhydride lies on the side favoring formation of acetic acid and succinic anhydridse

How to find the better buy of two of the same item, but they have different units of measurements and different costs.?

The agricultural practice of spraying insecticides leaves behind which pollutant in the soil? A. Chemical poison B. Excess nitrogen C. Excess salt D. Acidic compounds

What is the name of the compound composed of iron and carbonate? [hint: iron has a + 3 charge in this compound]?

In a chemical equation the products appear on which side of the equation? A. Left B. Top C. Right D. Bottom

What does the shape of a protein molecule resemble?