A 60.0 N performer performs a high wire act of 5.0 m above ground. About how much gravitational potential energy does the performer have?

Predict the substance that will form a precipitate with aqueous solution of barium chloride

Why are the trends and exceptions to the trends in ionization energy observed? Check all that apply. Ionization energy tends to increase down a group because the electrons get farther away from the nucleus.

What happens to water when it freezes? Its mass increases. Its mass decreases. Its density increases. Its density decreases.

What is the mass in grams of 12.26 mL of acetone

Chlorine has 7 electrons in its valence shell It accepts an electron to complete its acetate and becomes a chlorine ion which is the nature of this chlorine ion A. Cation B. Anion C. Metal ion

Only producers perform ... A) photosynthesis B) respiration C) both A & B D) neither A or B

A steel cylinder containing 25 kg of CCl2F2 in the form of liquid and vapor is set outdoors on a warm day 25 degrees celsius. What is the approximate pressure of the vapor in the cylinder?

Which of these observations would be classified as a physical property A:lemon juice cleans a penny B: A candle burns brightly C: baking soda in vinegar forms bubbles D: a cube of gold is hammered into a thin sheet

Target tissues of hormones are always near the glands that release the hormones. true or false

What four things affect the tides