As a star increases in brightness, which of the following values becomes smaller?

A. density

B. magnitude

C. temperature

D. luminosity

Which gas law can you use to solve for moles of gas

Does the Respiratory System need blood to work?

Are physical properties only observable by destroying the substance?

Which element is malleable and can conduct electricity in the solid phase? 1) idine 2) phosphorus 3) sulfer

What is the half-life of 239Pu (the radioactive waste from nuclear power plants) ? Remember, the half-life is how long it takes for half of the radioactive materials to decay.

In a dynamic equilibrium between the liquid state and the gas state, what is true about the rate of evaporation? a. greater than rate of condensation b. less than rate of condensation c. equal to rate of condensation d. cannot be determined.

Which type of fault is under compression

Expressing concentrations in terms of molarity is especially convenient since it allows one to count chemical particles by measuring

If the average American throws away 4.5 lb of trash each day, and the population of the US is estimated to be 311 million people, calculated the number of metric tons of garbage thrown away in the US each year.

Difference between radical and compound