How many moles of MgCl2 are there in 337 g of the compound?

A mosquito flying at 3 m/s that encounters a breeze blowing at 3 m/s in the same direction has a speed of

The opening of the stomata allows water to evaporate from inside the leaf in a process known as transpiration.

Which conclusion is supported by the data in the table? O An increase in the mass of an object causes the same decrease in the gravit An increase in the distance between the objects causes the same decrease i An increase in the distance between the

If a person driving 130 miles per hour and hit a brick wall? Does the brick wall hit (push) the car back? Which Newton laws would explain this accident and why?

What is the relationship between the mass, velocity, and momentum of an object?

When blue light of wavelength 450 nm falls on a single slit, the first dark bands on either side of center are separated by 45.0

An object is moving east, and its velocity changes from 65 m/s to 25 m/s in 10 seconds. Which describes the acceleration? 4 m/s2 in negative acceleration 4 m/s2 in positive acceleration 9 m/s2 in positive acceleration 9 m/s2 in negative acceleration

Two students walk in the same direction along a straight path at a constant speed-one at 0.90 m/s and the other at 1.90 m/s. •How far would the students have to walk so that the faster student arrives 5.50 min before the slower student? A.) 460s B.

During the process of accretion, each planet-in-the-making, or proto-planet, grew in size and mass. The amount of gravity for the proto-planets is best represented by which graph?

Theories and Laws. • How are they alike? • How are they different? • Can you explain why scientific theories will change over time? • Give an example of a scientific theory that has changed.