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

If a chromosome on unfolds itself how is transcription enhanced

My older brother received a ticket for driving 80 miles per hour. This information describes my brother's

What evidence supports a conservation law? A: Energy from sunlight becomes glucose during photosynthesis. B: Carbon dioxide becomes glucose and oxygen during photosynthesis.

a 0.10kg piece of copper at an initial temperature of 95C is dropped into 0.20kg of water contained in a 0.28kg aluminum calorimeter. the water and calorimeter are initially at 15C.

An alcohol functional group is called what?

A 150-kg object takes 1.5 minutes to travel a 2,500 - meter straight path. It begins the trip traveling 120 m/s and decelerates to a velocity of 20 m/s. What is the acceleration?

Lava is rock that has undergone a physical change and has liquefied. What is known about this change?

At what temperature did the substance in the test tube into a solid?

What occurs when the velocity of Earth is doubled? a. The orbit of Earth around the Sun becomes smaller b. The orbit of Earth does not change c. The Earth escapes the Sun d. The orbit becomes more elliptical

When is a body said to be at rest