Nitrogen and Hydrogen react to form ammonia (NH3). The reaction looks like this: Ammonia

What is the ratio of nitrogen atoms to hydrogen atoms in ammonia?

1 to 2

1 to 3

2 to 1

3 to 1

Why do slippery fluids such as oil reduce sliding friction

What component of a longitudinal sound wave is analogous to a trough of a transverse wave?

A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 24.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective.

Who was the first person to say that earth orbits the sun?

Imagine children at recess playing tug of war (a game where teams of kids pull a rope trying to [pull the other team across a line). what must the student muscles do to the rope

What is the period of a 1.00 m long pendulum?

Kaylie is describing the physical properties of an orange and a lemon. which two physical properties can she determine without using any measurement instruments

What is an example of a third class lever and why use it? A) pulley; changes direction B) baseball bat; increases velocity Eliminate C) car jack; increases the weight it can lift D) wheel barrow; makes it easier to move a load

1. The horizontal and vertical components of a projectile's velocity are a. directly proportional C. independent of each other b. inversely proportional d. equal

Which features involve compression? Select the three correct answers. A. Reverse faults B. Anticlines C. Folded mountains D. Normal faults E. Monoclines