The use of logic making empirical observations and preforming dissections were all part of the scientific studies by

Which factor causes water to form small drops on a waxy surface? van der Waals forces hydrogen bonding London dispersion forces ionic bonding

Consider the two electron arrangements for neutral atoms A and B. What is the difference between atom A and atom B? A - 1s22s22p63s1 B - 1s22s22p65s1 Atom B has lost some inner electrons.

Which statements describe what happens in a redox reaction? Check all that apply. A. Electrons move from one substance to another. B. One atom gains electrons and one loses electrons. C. The cations on two substances trade places. D.

What law represents a balanced chemical equation

What is the ground state shorthand notation for iron (Fe) ?

A decomposition occurs when you open a can or bottle of soda. Carbonic acid. H. CO, is in carbonated beverages. It decomposes into carbon dioxide and water.

Can someone reword this? A magnetic substance has magnetic fields. These fields start at the North Pole wrap around the magnet, and terminate at the south pole of the magnet. All magnetic substances have north and south poles

Which of these is produced when fossil fuels are burned? A) oxygen Eliminate B) nitrogen C) hydrogen D) carbon dioxide

Predict the sign of ΔSsys for each of the following processes. Which are positive? (a) Gasoline vapors mix with air in a car engine. (b) Hot air expands. (c) Humidity condenses in cold air.

A system consists of two components, each of which must activate if the system is to activate. One component has a reliability of. 99. The other has a reliability of. 95. The components are independent of one another with respect to reliability.