What are the 7 clues that a chemical change has occurred

A circular loop of wire of radius r = 0.072 m is placed in a uniform magnetic field B = 13 T, with the plane of the loop perpendicular to the direction of the field, B. Calculate the magnetic flux through the loop. 0.021 Wb 0.293 Wb 0.212 Wb 0.

Will the energy released in the synthesis of water equal the energy absorbed in the decomposition of water? Explain

Energy of water is also a form of solar energy. Explain.

What is most likely to happen to light that hits an opaque object? A. All of the light passes through the object. B. None of the light passes through the object. C. Most of the light disappears. D. Some of the light passes through the object.

A driver of a car hits its brakes and begins to decelerate. If the velocity changes from 60 m / s to 20/m in 6 s, what is the deceleration of the car?

Which of the following do not involve a direction? Check all that apply. A. Time B. Velocity C. Distance D. Acceleration

What does deltaX mean in physics?

Which activity involves using fossil fuels directly or indirectly? 1) eating fresh fruit for a snack 2) cooking hot dogs on a campfire 3) using crayons to color 4) walking to school

Which of the following objects would have the most inertia? A. A sphere with a radius of 5 cm and a mass of 34 grams. B. A sphere with a radius of 4 cm and a mass of 15 grams. C. A sphere with a radius of 8 cm and a mass of 27 grams. D.

A boy slides a book across the floor using a force of five and over a distance of 2M what is the kinetic energy of the book after he slides at assume there is no friction