Why is burning wood a chemical change?

Find the pH of a 0.0015 M HCl solution

How many grams of aluminum will be produced if 12.0g of Ba react with 9.0g of Al (SO4) 3

What is kinetic i ned to know for scince i just stared

In the reaction of 1.23 g of salicylic acid, molar mass 138.12 g/mol, with 2.85 g of acetic anhydride, molar mass 102.10 g/mol, a student obtained 1.39 g of acetylsalicylic acid, molar mass 180.17 g/mol.

Given the following reaction: 2 OF2 + 2 S → SO2 + SF4 + 319.5 kJ Is this endothermic or exothermic? Draw the energy pathway:

And the cell potential is - 54.0 mv (inside negative), calculate the maximum ration of

What is the final ph of a solution created by adding 12 ml of 0.5 m hcl to 300 ml of 100 mm formate if the pka for formic acid is 3.78?

Imagine that an uncharged pith ball is brought into the electrostatic field of a charged rod. The side of the pith ball closest to the negatively charged end of the rod will

When forces attracting solvent particles to each other are broken, what is provided for a solution? energy for the solute to precipitate space for the solute in the solvent inertia for the solute to move into the solvent nothing is provided

Erosion occurs when natural forces alter a landscape. What does it mean to alter a landscape?