When burning petrol in motor vehicles two gases form which contribute to acid rain. what are the two gases?

Which of the following best explains why you sanded the copper wire before burning it? to create less friction between the copper and the tongsto make sure that copper metal was exposed on the surface of the wireto make the copper wire flammableto

Which statements accurately describe electronic tools? Check all that apply.

Select all that apply. A chemist is likely to do which of the following? analyze the ingredients in ice cream determine why planets orbit the Sun determine how to separate gasoline from other substances in petroleum determine the force necessary to

The net charge on a sulfide ion (s2-) is - 2. explain how this ion obtains its charge

Which atom attracts electrons most strongly when bonded?

A 2-kg box is pushed from rest to a speed of 29.7 m/s in 21 seconds. What is the power require to accelerate the box.

Gamma rays are produced by applying

Which of the following is an example of a chemical change? A bike rusting Mixing salt and pepper A brick breaking Gold melting

Which law is described by saying that doubling the absolute temperature will double the pressure of a sample of gas in a rigid container? Boyle's law Charles's law Dalton's law Gay-Lussac's law

The nucleus of an atom consists of a. neutrons and electrons. b. neutrons alone. c. protons and neutrons. d. protons and electrons.