How does the reaction of hydrogen and oxygen to produce energy in a fuel cell differ from their interaction during the direct combustion of hydrogen and oxygen?

Which word best describes the vast grassland outlined in red? hills mountains plains plateau

Is The number of moles of a gas equal to the mass divided by the molar mass true or false?

Sodium is a member of the alkali metals, and it tends to form ionic compounds with many different nonmetals. A neutral sodium atom contains 11 protons and 11 electrons. What occurs in order for a sodium atom to turn into a sodium ion?

According to valence bond theory, which orbitals on n and h overlap in the nh3 molecule?

What are the four major categories of inorganic compounds?

Which statement best explains the plateau seen in the cooling curve of naphthalene? A) The energy of the system decreases B) The temperature of the system increases C) the temperature of the system decreases D) The energy of the system remains

A group of organisms that breed and produce offspring that can breed. A. Species B. ecosystem C. Biodiversity

The surface of the earth is divided into more than 50 large plates

What is the net ionic equation for AgNO3 (aq) + K2SO3 (aq) ?

Oil and water a combined to make salad dressing. Physical Change? Chemical Change? Both?