Given the balanced equation representing a reaction:H2O + HCl ==> H3O+ + Cl-
According to one acid-base theory, the H2O molecule
(1) accepts H+ ions (3) donate H+ ions
(2) accepts OH- ions (4) donates OH- ions
Answers
The statement, that describes acid-base theory in which the H2O molecule is "accepts ions."
What is an acid-base theory?
An acid is a compound that accepts a pair of electrons. A base is a generator of electron pairs. This is the broadest theory of acids and bases. Water can serve as both an acid and a base in solution, and it can also be both an acid and a base to itself. Water takes hydrogen ions and behaves as a base when coupled with an acid. When water is combined with a base, it gives hydrogen ions and so behaves as an acid. Using the balanced equation, the water molecule acts a acid which accepts the hydrogen ion. to form hydronium ion.
Hence the correct option is 1.
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In this redox reaction, identify the reducing agent.2MgO → 2Mg + O2A. H2OB. MgC. MgOD. O
Answers
Explanation:
Given that,
The dimensions of the block of iron is 2 cm, 10 cm and 5 cm
To find,
The mass of the block.
Solution,
We know that, the density of iron is, d = 7.874 g/cm³
Density,
Where
m is mass and V is volume
Solving for m,
The block is in the form of a cuboid,
So,
Answer,
The mass of the block of iron is .
Reference,
Answer : 787.4 g
Explanation : With the given information; the volume of the block will be equal to = 5 cm X 10 cm X 2 cm = 100 .
Therefore, the volume will be100 .
but density of iron is found to be
So, now calculating for mass; on the basis of the density formula;
which is density = mass/volume; so, mass = density X volume;
Therefore, mass will be 7.874 g X 100 = 787.4 g
mass of the iron block = 787.4 g
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Final answer:
Ionic compounds are electrically neutral because they consist of positive and negative ions that combine to balance out the charges, resulting in a neutral overall charge. An example is Sodium Chloride(NaCl), where Sodium (Na+) and Chlorine (Cl-) ions combine to form a neutral compound.
Explanation:
Ionic compounds are electrically neutral because of the way they are structured. They consist of positive and negative ions that combine in a way that the total positive charge from the cations (positive ions) is equal to the total negative charge from the anions (negative ions). This balance of charges ensures that the overall charge of the compound is neutral.
For instance, in the case of Sodium Chloride (NaCl), sodium (Na) gives one electron to chlorine (Cl) creating Na+ (a cation) and Cl- (an anion). Since they have opposite charges, they attract each other and form an ionic bond, resulting in an overall neutral compound as the charges balance out.
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Final answer:
Ionic compounds are electrically neutral because the total number of positive charges of the cations equals the total number of negative charges of the anions. The formula of an ionic compound represents the simplest ratio of the numbers of ions necessary to give identical numbers of positive and negative charges.
Explanation:
In every ionic compound, the total number of positive charges of the cations equals the total number of negative charges of the anions. Thus, ionic compounds are electrically neutral overall, even though they contain positive and negative ions. We can use this observation to help us write the formula of an ionic compound. The formula of an ionic compound must have a ratio of ions such that the numbers of positive and negative charges are equal.
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Methanol has severl uses few of which are discussed below.
Explanation:
Methanol is the simplest alcohol with chemical formula CH3OH. Its nin drinkable because its toxic when consumed.
Methanol is used for preparing acetaldehyde, formaldehyde, butandiol, acetal resins etc which are used for production of furthur high specific chemicals with high rate of purity. Its also used widely in automobile industry.
Its used to produce acetic acid, solvent esters and acetates, terepthalic acid, etc which are used in automobiles, paint industry, ink industry etc.
Its used in preparation if zero emmision fuels. Its also used to produce antifreeze, lubricants, burning alcohol, spirit etc.
Its also used to produce different cleaners and canned heat.
Its used to dress wounds, for preparation of MMA, MTOs etc.
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Answer:
i think it is nucleic
Explanation:
because that is what i think
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Porphyry is an igneous rock that contains giant crystals surrounded by smaller crystals.
One of the most common types of rocks is an igneous rock, which is created when molten material solidifies either below or above the Earth's surface. The Latin word "ignis," which meaning fire, is where the term "igneous" gets its name. These rocks were created by the molten magma, which is a mixture of different minerals, gases, and liquids. Igneous rocks are created when magma that has risen from below the Earth's crust cools. There are two different types of igneous rocks produced by this process: intrusive and extrusive. This process can be either slow or rapid. Porphyry is an igneous rock that contains giant crystals surrounded by smaller crystals.
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I hope this helps!! :)