Purple flowers are dominant over white flowers. The parent generation includes two heterozygous parents. What are the possible phenotypes of these parents’ offspring? 3 purple and 1 white 3 white and 1 purple 1 purple, 2 lilac, and 1 white 1 white, 2 speckled, 1 purple

The graph above shows how the price of cell phones varies with the demand quantity. the equilibrium price for cell phones is where both supply and demand quantities equal $100, 5,000 5,000, $100

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

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