The production of a gas when acid is added to a sample of chalk is an indication of what type of reaction

why do valence electrons form bonds to create molecules and compounds? A. they are weaker than the electrons found closer to the nucleus. B. they are smaller than other electrons. C. they are stronger than the electrons found closer to the nucleus D.

H2SO4 is added to a large beaker of water. How is the solution different from the original water? The solution turns blue litmus to red. The solution turns phenolphthalein pink. The solution has fewer hydrogen ions.

If an expiernment involves a large volume of liquid a

Which is colder dry ice or dioxide gas

Consider the reaction below. If you start with 2.00 moles of C3H8 (propane) and 2.00 moles of O2, how many moles of carbon dioxide can be produced? C3H8 (g) + 5O2 (g) 3CO2 (g) + 4H2O (g). A) 8.00. B) 1.20. C) 6.00. D) 2.00.

List of solid mixtures in a classroom

Which quantum number describes the energy level of an electron? Spin quantum number Principal quantum number Magnetic quantum number Angular momentum quantum number

Which of the following best explains why J. J Thompson's Plum Pudding model had to be revised?

What best describes the flow of electricity

What is the volume of. 04 mol of a gas at. 9 kPa and 20 degrees celsius