One difference between strong bases and weak bases is that a strong bases dissociate completely while weak bases do not. A strong base is a compound that completely ionizes into metal and hydroxide ions when in a solution, on the other hand weak bases only partially ionizes to metal and hydroxide ions in solution. An example of a weak base is ammonia and an example of a strong base is sodium hydroxide.
<span>I think that it is S^2-</span>
Question:
Assume you are working for a chemical company and are responsible for growing a yeast culture that produces ethanol. The yeasts are growing well on the maltose medium but are not producing alcohol. What is the most likely explanation?
a- the maltose is toxic
b- O₂ is in the medium
c- not enough protein is provided
d- the temperature is too low
e- the temperature is too high
Answer:
The correct option is;
b- O₂ is in the medium
Explanation:
The production of ethanol from glucose by the introduction of yeasts is known as fermentation process.
Yeast + Glucose → Ethanol +CO₂
The yeast ferments the glucose anaerobically to produce energy, CO₂ and ethanol
Therefore, ethanol production takes place in the absence of oxygen.
When oxygen is present, the yeast undergoes aerobic respiration, it breathes to produce energy by consuming the glucose and the oxygen. In the process, water and carbon dioxide are also produced.
Yeast + Glucose + Oxygen → H₂O + CO₂.
Answer:
a. Manganese(IV) oxide
b. Mercury(I) chloride
c. Iron(III) nitrate
d. Titanium(IV) chloride
e. Copper(II) bromide
Explanation:
The IUPAC nomenclature is regulated by International Union of Pure and Applied Chemistry which is used in organic chemistry for naming of the organic chemical compounds.
a. Manganese(IV) oxide is IUPAC name of manganesse dioxed
. It is an inorganic compound having the formula MnO2.
b. Mercury(I) chloride is IUPAC name of mercurous chloride
. It is also known as the mineral calomel and have a chemical formula Hg2Cl2.
c. Iron(III) nitrate is IUPAC name of ferric nitrate
. It have a chemical formula Fe(NO₃)₃.
d. Titanium(IV) chloride is IUPAC name of titanium tetrachloride - . It have a chemical formula TiCl4.
e. Copper(II) bromide is IUPAC name of cupric bromide with chemical formula CuBr2 or Br2Cu.
The correct formula of a compound that has ten oxygen atoms and four phosphorus atoms will be <u>(tetra phosphorus decoxide)</u>
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Chemical element symbols, numbers, and other symbols, such as parentheses, dashes, brackets, commas, plus as well as minus signs, are used to represent the chemical quantities of the atoms that make up a certain chemical compound and molecule.
It is given that the number of P atom is 4 and 10 oxygen . Decoxide mean
any oxide with ten oxygen molecules per molecule.
Typically, a molecular molecule consists of two or even more nonmetal components. Molecular compounds are characterized by employing the stem of the primary element's term plus the suffix -ide, followed by the second element. The count of atoms in a molecule is specified using numerical prefixes.
Therefore, The correct formula of a compound that has ten oxygen atoms and four phosphorus atoms will be <u>(</u><u>tetra phosphorus decoxide)</u>
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