How is heat transferred when a person holds a pen that is already at body

temperature?

What makes metals, in particular, good conductors of electricity? A. the ability of electrons to flow throughout the metal. B. the absence of charged particles. C. the high temperatures required to break metallic bonds. D.

About 20-25% of the 92 natural elements are known to be essential to life. which four of these elements make up approximately 96% of living matter? a. carbon, sodium, hydrogen, nitrogen b. carbon, oxygen, phosphorus, hydrogen c.

What is one of the primary unanswered questions about the origin of the universe? What type of elements formed first? Approximately how long ago did the big bang occur? How long did it take the earth to form? What came before the big bang?

Describe the process of how visible light is produced

An object heats up more quickly when it has ___ mass

How the law of conservation of mass could be useful for investigating chemical changes

The law of definite composition states that every compound has a definite composition by mass. What does that mean?

Equilibrium is established in a reversible reaction when: a) the [product] = [reactants] b) rate of reaction of products = rate of reaction of reactants c) all the reactants dissolve or dissociate d) when product are no longer produced

Convert 12.0 kilograms into grams. Convert 4.3 meters into centimeters. Convert 900 milligrams into grams. Convert. 7 millimeters into centimeters.

When does carbon dioxide absorb the most heat energy