Discribe two ways to measure the volume of a solid object.​

Find the mass in grams of 1.37x1020 particles of h3po4

What is the main reason why some developing countries fear the increase the free trade policies around the world?

Which of the following is not a characteristic of a hydrogen bond? 1. it is responsible for the unusual physical properties of water. 2. it is weaker than a covalent bond. 3. it is stronger than other dipole-dipole interactions. 4. it can occur when hydrogen is covalently bound to very electronegative elements liks f, cl, br and i.