What is something that is not moving with respect to an observer that can be used to detect motion

Study the concentration amount shown on the juice label. Then answer the question. If you had 100 mL of juice, how many milliliters would be fruit juice? A. 25 mL B. 2.5 mL C. 75 mL D. 250 mL

Can a magnesium atom bond with any of these? why or why not? Magnesium and Aluminum Magnesium and Neon Magnesium and Chlorine

Which of the following gives the correct possible values of l for n = 4?

A rock weighing 75.0 g is placed in a graduated cylinder displacing the volume from 31.4 ml to 36.5 ml. what is density of the rock in grams/cubic centimeter?

How does equilibrium represent the balancing of opposing processes?

A small 15 kilogram canoe is floating downriver at a speed of 4 m/s. What is the canoe's kinetic energy?

Liquid water is heated until it boils and becomes water gas. Which statement is true about the water?

You are conducting an experiment on plant growth. You take a plant fresh from the soil that weighs 5 kilograms (kg). Then you dry the plant overnight and determine the dry weight to be 1 kg.

What is the ratio of Fe+3 ions to O2 - ions in a neutral compound? a. 1:2 b. 2:1 c. 2:3 d. 3:2

What is the specific heat capacity of a 17.5g sample of an unknown metal that releases 6700J of heat when it cools from 90 to 25 degrees C?