What method of identifying substances is the best way to identify a chemical reaction

A charge + q is located at the origin, while an identical charge islocated on the x axis at x = + 0.50 m.

As a sound wave travels from liquid water into ice, its wavelength would A) decrease due to wave speed decreasing as it passes through the ice. B) increase because the wave speed and frequency have increased.

What are the components of a vector with a magnitude of 4.00 and a direction of - 112 degrees

Most electrical power generation (except for solar) converts motion into electricity using a generator. The two required components for a generator are

Analyzing Forces Using Free-Body Diagrams 1. Imagine two books sitting at rest on top of each other on a table. The top book has a mass of 2 kg, the book under the top book has a mass of 3 kg, and the table has a mass of 20 kg.

In air an object weighs 15N. when immersed in water it weighs 12N. when immersed in another liquid it weighs 13N. determine the density of d object and that of d other liquid

You wash the dishes. when you let the water down the drain, where is the water flowing the fastest?

Are good conductors of heat also good conductors of electricity? Explain your answer.

Restate newtons first law of motion

This is the body of law that codifies what a state defines as legal and/or illegal as well as the punishments for the violations of the laws.