Name three devices of inventions which are designed to decrease friction

Which color of light has the highest energy

Why do most living things need food water and the ability to get rid of waste?

Benzamide is less easily hydrolysed than methyl benzoate

Why are proportional relationships useful in science

Question 2 Which describes an atom with a negative net charge? A It contains more electrons than protons. B It contains more protons than electrons. C It contains more neutrons than protons. D It contains more neutrons than electrons.

Ammonia (nh3 (g), hf = - 46.19 kj/mol) reacts with hydrogen chloride (hcl (g), hf = - 92.30 kj/mol) to form ammonium chloride (nh4cl (s), hf = - 314.4 kj/mol) according to this equation:

How does an electromagnet create a magnetic field

Magnetism, reactivity, and fluorescence are three special properties used to identify minerals. true or false

Which of these molecules is least likely to form a hydrogen bond with a water molecule

George is writing an essay about the role of observation and inference in the development of the atomic theory. He wants to explain why it was more difficult to observe the presence of neutrons in atoms.