When 23.5-g of ammonium nitrate is dissolved in water it cools 1000.0-g of water from 32.3°C to 27.5°C. What is the value of ΔH

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

Compare and contrast physical changes with chemical changes.

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean