Which of the following represents a physical change?

A: Phase changing, B: Atoms rearranging, C: Bonds breaking, D: Bonds forming

One example of a decomposition reaction is the electrolysis of water. the chemical reaction can be expressed by the equation 2 h2o →2 h2 o2. the reactant (s) of this chemical reaction is/are?

A gas occupies 1.56L at 1.00 atm. What will be the volume of this gas if the pressure becomes 3.00 atm

Which type of substance is an electron-pair acceptor? O Lewis base O Brønsted-Lowry acid O Brønsted-Lowry base O Lewis acid

Identify the atom with a ground state electron configuration of 1s22s22p63s23p2

Which of these is an example of a chemical change? A fireworks exploding B grinding powder C melting cheese D ironing a shirt

What jobs involve chesmistry

Think about a neutral magnesium atom. Then think of a magnesium ion with a 2+charge. How are these two alike? How are they different? Be sure to use the terms proton, neutron, and electron in your answer.

What subatomic particle is specifically responsible for combining the atoms together to form a new substance?

A chemist reported that 100 gallons of a gas were available in a laboratory. Which property of the gas did the chemist report?

Is the water density higher than the aluminum density