A 25 g sample of a metal (initially at 800.00°C) is dropped into 200.0 g of water (initially at 30.00°C). The final
temperature of the system is 40.22°C. Find the specific heat of the metal and identify the metal.

What is the most common form of matter in the universe

Ablock of aluminum is dropped into a graduated cylinder with an initial volume of water at 75ml and the volumes rises to 90ml. if the block has a mass of 40.5 g what is its density ?

Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.