Examlex
A substance that is capable of acting as both an acid and as a base is ________.
Steel
An alloy of iron and carbon, and sometimes other elements, used as a primary material in buildings, infrastructure, tools, ships, automobiles, machines, appliances, and weapons.
Automobiles
Motor vehicles designed and manufactured to transport individuals or small groups of people.
Oranges
A citrus fruit known for its juicy segments and sweet to slightly sour taste, often consumed fresh or squeezed for juice.
Peaches
A sweet, juicy fruit with fuzzy skin and a stone or pit in the center, commonly eaten fresh or used in cooking and baking.
Q15: The relationship between the concentrations of reactants
Q35: A reaction was found to be second
Q37: After swimming in the ocean for several
Q61: At elevated temperatures, molecular hydrogen and molecular
Q62: In the world's oceans, the average salinity
Q65: The concentration of S<sub>2</sub>O<sub>8</sub><sup>2-</sup> remaining at 400
Q76: The K<sub>a</sub> of hydrazoic acid (HN<sub>3</sub>)is 1.9
Q89: Nitrogen oxides catalytically destroy ozone.
Q89: The vapor pressure of pure water at
Q98: Which reaction produces an increase in the