Alance the equation, if necessary, for the reaction between magnesium sulfate and ammonia. MgSO4 + NH4OH → (NH4) 2SO4 + Mg (OH) 2

When you drop a strong magnet through the center of a copper pipe, the magnet (A) descends slowly because its motion causes currents to flow in the pipe and those currents repel the magnet.

Can a higher mass-to-light ratio mean that there is gas and dust present in the system that is being analyzed?

Which process is directly affected by the absorption of the thermal energy from the sun?

17. If you looked at a light through the lenses from two polarizing sunglasses that were overlapped at right angles to each other, all of the light would pass through. most of the light would pass through. little of the light would pass through.

1) An object is hung using a metal spring. If now a current is passed through the spring, what will happen to this system? A) The spring will begin to swing like a pendulum. B) The spring will extend, lowering the weight. C) The weight will not move.

An alloy that contains mainly copper and tin is

Select the correct answer Mary starts from her house, walks 80 meters south, and stops to chat with her aunt on the sidewalk.

An electron moves with velocity v⃗ = (5.9i-6.4j) * 104m/s in a magnetic field B⃗ = (-0.63i+0.65j) T. Determine the z-component of the force on the electron. Fz=?

3. According to the National Automobile Dealers Association, a single dealership may employ people with as many as 57 different A. salaries. B. specialists. C. job titles. D. technicians.

A paragraph that can serve the specific purpose of creating a special effect within the essay is called? a. paragraph block b. functional paragraph c. unified passage d. topical paragraph