What compound contains the most elements

Write a hypothesis for how did the Hawaiian island chain form

Solution A has twice as much solute as solution B is it possible for the solutions to have the same concentration

For the reaction 2N 2O (g) ⇌ O 2 (g) + 2N 2 (g), what happens to the equilibrium position if the pressure increases?

Which reaction is not characteristic of an acid a) it dissolves magnesium oxide b) it produces ammonia from ammonium compounds c) it produces carbon dioxide from a carbonate d) it produces hydrogen from zinc metal

A heterogeneous material may be

Identify the spectator ions in the following complete ionic equation. 2k (aq) s2 - (aq) pb2 (aq) 2no-3 (aq) →pbs (s) 2k (aq) 2no-3 (aq) express your answers as ions separated by a comma.

4. A bird left its post and flew in a triangular path. It flew 21 yards south, 72 yards east and 75 yards diagonally to end back at the post. Is it a right triangle?

Condension occurs in the inside of your windows in Winters, why?

How can you use Hess's law to determine a reaction's enthalpy?

7. How much energy in KJ is released when 15.0 g of steam at 100.0 degrees Celsius is condensed and then frozen to ice at 0.0 degrees Celsius?