The diameter of a sphere is 4 centimeters. Which represents the volume of the sphere?

321 cm 87 cm 541 cm

167 cm

What is the mass of 4.00 cm3 piece of sodium chloride having a density of 2.16 g/cm3 chemistry

How many Jupiters would fit inside the sun?

Which of the following statements is true? A. Chromosomes make up proteins. B. Genes make up chromosomes. C. Genes make up cells. D. Chromosomes make up genes.

Which two factors determine sound intensity? A the wave's frequency and speed B the wave's amplitude and the distance from the sound source C the wave's amplitude and speed D the wave's frequency and the distance from the sound source

In many of the steps in the lab, a mixture was centrifuged and then decanted. In general terms, what is accomplished by these steps? In what kind of situation would these steps not be able to separate two compounds?

Sodium potassium, chloride and phosphorous are all nutrients involved in hydration and neuromuscular function. List each nutrient and identify either its RDA or AI. Why do some have an AI while others have an RDA

Laura wonders why an object can ever accelerate if every force it exerts causes a reaction force. Which explanation best answers her question?

Phosphorus trichloride, PCl₃ is a liquid at room temperature. Explain this observation in terms of the particles, structure and bonding of PCl₃.

4. Thorium-234 has a half-life of 24.1 days. What percentage of the original thorium-234 in a sample will remain after 144.6 days?

Which statement (s) is/are true of acid-catalyzed alcohol dehydrations? A) Protonation of the alcohol is a fast step. B) Formation of a carbocation from the protonated alcohol is a slow step.