Suppose Galileo dropped a lead ball (100 kilograms) and a glass ball (1 kilogram) from the Leaning Tower of Pisa. Which one hit the ground first? (Assume that there is no air resistance.)

What effect does heating a solid to a hightemperature have have on its crystal lattice? a.) there is no effect. crystal lattice are impervious to heat b.) the lattice breaks apart and the ions lose their charge c.

A hurricane and a typhoon are the same thing true or false?

Metals show a wide range of chemical behavior. Give examples of that variation by describing some common properties of calcium, gold, iron, and sodium.

What is the importance of water on earth? A) it keeps the top layer of the geospere cool B) it allows life to exist C) it provides ice at the poles D) it creates earths blue color from space

How does a hypotonic solution affect a red blood cell? How does it affect a gram positive bacterial cell?

What organelle does the process of cellular respiration?

How much heat is absorbed during production of 127 g of NO by the combination of nitrogen and oxygen? N2 (g) + O2 (g) →2NO (g), ΔH = + 43 kcal/mol

Which of the following is the result of the process that binds many amino acids on to another? a. protein b. allele c. dna d. rna

What does the electron transport chain do to the concentration of hydrogen ions (protons) ?

What is the cation name for alcl3?