Which of these represents a chemical change?

What state of matter has a fixed amount of volume but can change shapes according to its container?

Which particle of the atom has no charge? a. neutron b. electron c. nucleus d. proton

When copper reacts with silver nitrate according to the equation, the number of grams of copper required to produce 432 grams of silver is - ?

Is perfume in a bottle a solid, liquid or gas

Time remaining 58:52 bonds that form between two nonmetal atoms are usually ionic bonds.

The table below shows four samples of carbon dioxide and the temperature of the water that they were dissolved in. sampletemperature of water (°c) 178273355463which of the samples most likely had the lowest solubility?

Using the periodic table, which of the following can be predicted for an atom of chlorine? It has 35.45 protons It has 17 protons It has 35.45 neutrons It has 17 neutrons

Which of these represents a chemical change?

A chemist measures the amount of iodine solid produced during an experiment. she finds that 1.6 g of iodine solid is produced. calculate the number of moles of iodine solid produced.

Write the equilibrium constant: Pb3 (PO4) 2 (s) = 3Pb2 + (aq) + 2PO2 (aq)