According to the Bronsted-Lowry concept, acids are proton donors and bases are proton acceptors. In this reaction, NH3 gains protons and H2O loses protons. NH3 is therefore a Bronsted-Lowry base.
NH3 + H2O ⇒ NH4+ + OH-
Base Acid Conjugate acid Conjugate base
A basic solution is formed when ammonia dissolves in water. A small amount of dissolved ammonia reacts with water to form ammonium hydroxide which dissociates into ammonium and hydroxide ions. All these processes are reversible. Hydrogen bonds are weak bonds that are easily broken to form H+ and OH ions. This reaction also has multiple reactants, but only one product.
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Answers:
Most of the world’s energy comes from what three sources?
Oil, coal, and gas.
These energy sources are called <u>fossil</u> fuels and they are <u>non-renewable</u> resources.
Fuel type: oil
How it's formed: from the remains of ancient marine organisms
Its uses: transportation, industrial power, heating and lighting, lubricants, petrochemical industry, and use of by-products
Fule type: coal
How it's formed: when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial
Its uses: electricity generation, metal production, cement production, chemical production, gasification, and other industrial uses
Fuel type: gas
How it's formed: decomposed organic matter mixed with mud, silt, and sand on the seafloor
Its uses: heating & cooling buildings, cooking foods, fueling vehicles, and electricity generation
Answer:
Water, in either liquid or solid form, is often a key agent of mechanical weathering. For instance, liquid water can seep into cracks and crevices in rock. If temperatures drop low enough, the water will freeze. ... This specific process (the freeze-thaw cycle) is called frost weathering or cryofracturing.
Answer:
A. Cracks in rocks will deepen as the roots grow.