If you combine 350.0 mL of water at 25.00 °C and 120.0 mL of water at 95.00 °C, what is the final temperature of the mixture? Use 1.00 g/mL as the density of water.

Write the balanced chemical equation for the reaction of HF with water.

Assign an oxidation number to each elementary in the following compounds or ions N2O5

Calculate the concentration of a solution that has 6.7 moles in a volume of 0.6 liters.

Which of these statements about resonance is true? (a) when you draw resonance structures, it is permissible to alter the way atoms are connected. (b) the nitrate ion has one long n-o bond and two short n-o bonds.

Describe the process used to find the volume of a rectangular solid.

Will ag2so4 precipitate when 100 ml of 5.0*10-2 m agno3 is mixed with 10 ml of 5.0*10-2mna2so4 solution?

How many grams of H₂ are produced with the reaction of 36 grams of water? 2 Na + 2 H20 - > 2 NaOH + h2

Which statement is the best description of a chemical bond? A. A chemical bond connects 2 different molecules. B. A chemical bond holds atoms together. c. A chemical bond turns molecules into atoms. D. A chemical bond identifies atoms in a molecule.

The energy of an electron varies depending upon which energy level that electron occupies. True or False.

What is the mass (in grams) of 9.07 * 1024 molecules of methanol (CH3OH) ?