Luke can paint 91 portraits in 7 weeks. How many portraits can Luke paint in 4 weeks?7

The more of this an object has, the more force it takes to move it

Which of the following leads to a higher rate of diffusion? A. Cooled gas B. Higher molar mass of particles C. Higher velocity of particles D. Reduced temperature

What does the outer ear do?

Where does the ground shake the most during an earthquake

Which condition causes a hurricane to rotate?

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?