Which of the following would not necessarily indicate a chemical reaction?

change in temperature

chemical precipitation of a solid

production of a gas

change in volume

How many carbon atoms are found in a molecule with the chemical formula c6h12o6 is probably a carbohydrate and monosaccharide because?

What type of property is when you break down food through cellular process

What is energy efficiency, and why is increasing it important?

Which one of the atoms shown would be most likely to form a cation with a charge of 1?

e sure to answer all parts. Calculate the pH of the following aqueous solutions at 25°C: (a) 9.5 * 10-8 M NaOH (b) 6.3 * 10-2 M LiOH (c) 6.3 * 10-2 M Ba (OH) 2

There is inverse relation between pressure and diffusion in liquid phase? •True •False

What do you need in order to do a stoichiometric calculation? (Choose multiple) Balanced Chemical Equation Molar masses of compounds involved The type of reaction taking place Oxidation Numbers

The correct mathematical expression for finding the molar solubility (s) of sn (oh) 2 is:

18. which bond is most polar? H--F H--Cl H--Br H--I

What kind of reaction is ca (s) + h3po4 (aq) ca3 (po4) 2 (s) + h2 (g)