During a chemical reaction atoms can be rearranged or destroyed but not created

True

False

Which of the following describes the way an object moves when an unbalanced force acts upon it? Choose one answer. a. The object will move in the direction of the force. b. The object will not move. c.

Which two chemists organized elements based on properties such as how the elements react or whether they are solid or liquid

The density for potassium is 0.856 g/cm3. What would be the mass of a 40 cm3 piece of potassium? A. 68.48g B. 46.73g C. 34.24g D. 34g

At what distance between two objects would you have the greatest gravitational force

Determine the approximate acceleration due to gravity, g, on this planet

The leaves of a tree lose water to the atmosphere via the process of transpiration. A particular tree loses water at the rate of 3 x 10^-8 m^3/s; this water is replenished by the upward flow of sap through vessels in the trunk.

Which of the following is evidence used to support the Big Bang Theory? background radiation increasing distances between galaxies both of the above

Which of the following statements about noncovalent bonding interactions is NOT true? Van der Waals interactions, also known as dispersion forces, are the weakest of the attractive noncovalent bonding interactions.

Does a rising GDP benefit everyone

You have a neutral balloon. What is its charge after 12000 electrons have been removed from it? The elemental charge is 1.6 * 10-19 C. Answer in units of µC.