What is the numeric value of a mole for atoms or molecules?

What kind of simple machine is a catapult?

an 114 g mass is dropped from rest at a height of 64.1 cm above a spring of negligible mass. The mass then compresses the spring to a maximum displacement of 4.1081 cm. What is the spring force constant k of the spring

What type of pathogen is hepatitis c

What is the best example of the purpose of scientific notation? A. to express percent error B. to express large and small numbers C. to express accuracy D. to make mathematical operations easier to perform

A 14-foot boat operating under oars after dark must show what color light to prevent a collision?

Which type of eclipse would you expect to see when the moon passes directly through the moon and the sun?

Like magnetism, static electricity can attract and repel. True False

When a sound wave first enters the auricle, which part of the ear does it travel through on its way to the eardrum? auditory nerve cochlea hammer ear canal

Isla made a diagram to compare X-rays and radio waves. A venn diagram with two intersecting circles. The one on the left is labeled x-rays and the one on the right is labeled radio waves.

What is the magnitude of electrostatic force of attraction between two alpha particles separated at a distance 5.3x10-11m? (1 apha particle = change of proton)