2 clues about a chemical change

Which atom in a water molecule has the greatest electronegativity?

Which refers to the change in wavelength that occurs when an object moves toward or away from a light source?

Two small charged spheres are 6.52 cm apart. they are moved, and the force each exerts on the other is found to have tripled. how far apart are they now?

If you move two objects father Paul how does the force of gravity between the two objects change

IWhat is your mass in kilograms of you weigh 120 pounds?

A tree is standing in the middle of a meadow. As you watch, the wind begins to blow and the tree bends. Which statement best explains how you could tell that a net force was acting on the tree? OA) The tree had momentum.

Consider two cars, a 700kg Porsche and a 600kg Honda Civic. The Porsche is speeding along at 40 m/s (mph) and the Civic is going half the speed at 20 m/s.

Which statement about an electron in the 4d state is correct? A. The magnitude of its orbital angular momentum is 6√ℏ. B. The largest orbital angular momentum it could have in any given direction is 4ℏ. C.

A D note has a frequency of 587.33 Hz. Calculate its wavelength in meters. The speed of sound is 343 m/s

A cyclist allows his bike to roll down a hill without pedaling. Towards the bottom of the hill he applies his brakes. The bike comes to a stop. Applying the brakes causes the brakes to warm up. Describe the energy transfers that have occurred.