In supersonic flights, molecules break apart and react chemically. which safety features protect the plane?

Is the sun typical of these nearby stars

The specific gravity of iron is 7.87, and the density of water at 4.00 ∘C is 1.00 g/cm3. You can use this information to find the density of iron. Find the volume occupied by 4.50 g of iron.

The moon and the sun both affect the tides on Earth. This evidence BEST supports the hypothesis that A) the sun's and moon's gravitational attraction to water is unique. B) every object exerts gravitational force on every other object.

How many ions are present in (NH4) 2CO3? ... ?

How does this problem impact the enviroment the ecosystem?

The expression of 5522 km in scientific notation is

Gallium crystallizes in a primitive cubic unit cell. The length of an edge of this cube is 362 pm. What is the radius of a gallium atom?

Amy is holding one end of a jump rope. Her friend Beth is holding the other end of the rope. Amy swiftly moves the handle of the jump rope downward, creating a large wave in the rope. Will Beth feel a tug on the rope at her end?

Which is the balance equation for S8+O2=SO2

Sound waves travel fastest through? A.) Air B.) Steel C.) Water D.) Vacuum