Which of the following describes volume

A. the number of particles or amount of matter

B. the amount of space that matter ocupies

C. how fast the particles are moving

D. amount of massin a certain place

Problem 7: In a mass spectrometer, a specific velocity can be selected from a distribution by injecting charged particles between a set of plates with a constant electric field between them and a magnetic field across them (perpendicular to the

What is an organism ability to maintain a steady internal condition called

Woman pulls a 6.87 kg suitcase, initially at rest, with a 29.2 N force along the handle at 57.7º. Friction pulls back at 12.7 N, and the suitcase moves 5.93 m. What is its final speed? (Unit = m/s)

Question 10 2.5 pts Which example identifies a change in motion that produces acceleration? a speed skater moving at an increasing speed on a straight track a vehicle moving down a straight street at a steady speed a particle moving in a vacuum at

Dermatologists often remove small precancerous skin lesions by freezing them quickly with liquid nitrogen, which may have a temperature as low as 77.3 k. what is this temperature on the (a) celsius and (b) fahrenheit scales

What is the tense In sailed

Acceleration is a vector quantity. O O A. True B. False

What will happen to the brightness of a string of bulbs hooked up in series when you increase the number of bulbs in the string? A. Each light in the string will get brighter. B. Each light in the string will get dimmer. C.

What are the two factors that influence the composition of beach material

Which of the following indicates that a ChemicL change has taken place? (A) a change from liquid to a gas (B) an increase in the volume of a substance (C) a change in the color of a substance (D) a change from a solid to a liquid A precipitate is a