What is the repeating unit in the polymer - ch2-ccl2-ch2-ccl2-ch2-ccl2 - ?

An oxygen atom has a mass of and a glass of water has a mass of. Use this information to answer the question below. Be sure your answers have the correct number of significant digits.

Im earth is about 4.5 billion years old which statement is true

What foods are examples of or contain large amount of fats and oils?

How much time does it take a cheetah to travel 300 meters at a speed of 15 meters per second

498calories equals how many kJ

A chemist in an imaginary universe, where electrons have a different charge than they do in our universe, performs the millikan oil drop experiment to measure the electron's charge. the charges of several drops are recorded below.

When an ionic bond forms, which part (s) of the atoms are directly involved?

When a 3.00 g 3.00 g sample of KBr KBr is dissolved in water in a calorimeter that has a total heat capacity of 1.36 kJ ⋅ K - 1, 1.36 kJ⋅K-1, the temperature decreases by 0.370 K. 0.370 K. Calculate the molar heat of solution of KBr. KBr.

How many moles of oxygen are required to fully react with 100 kg of lead sulfide?

Predict the electronegativity of the yet undiscovered element with Z = 119.