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Tanya [424]
4 years ago
7

In chemistry, what is the definition of the term salt? a compound consisting of an anion from an acid and a cation from a base a

compound that ionizes in water to form a neutral solution a compound that receives hydrogen ions in an acid-base reaction a compound that donates hydrogen ions in an acid-base reaction
Chemistry
2 answers:
inysia [295]4 years ago
7 0
In chemistry<span>, a </span>salt<span> is an ionic compound that can be formed by the neutralization reaction of an acid and a base.So yes it is</span>
Sophie [7]4 years ago
6 0

Answer: a compound consisting of an anion from an acid and a cation from a base

Explanation: Salt is the product of neutralization reaction which is formed when acid and base combines. The anion from the acid combines with cation from the base to form salt.

HCl+NaOH\rightarrow NaCl+H_2O

A compound that donates hydrogen ions in an acid-base reaction is called acid and a compound that receives hydrogen ions in an acid-base reaction is called base.

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Organize the following elements in order of increasing atomic radius (Ge, He, Sr, O, Ba)
Katen [24]

Answer:

He

O

Ge

Sr

Ba

Explanation:

An atom gets larger as the number of electronic shells increase; therefore the radius of atoms increases as you go down a certain group in the periodic table of elements.

In general, the size of an atom will decrease as you move from left to the right of a certain period.

8 0
3 years ago
Explain the 2 main differences between ionic and covalent bonds and identify if the compound CaF2
Aloiza [94]

Answer:

yes. because look at the equation it will have an ionic bond

Explanation:

6 0
3 years ago
How many moles and numbers of ions of each type are present in the following aqueous solution? 63.1 mL of 1.85 M magnesium chlor
Alexxandr [17]

Answer:

We have 0.117 moles Mg^2+ and 0.234 moles Cl-

The number of Mg^2+ ions =  7.04 *10^22 ions

The number of Cl- ions = 1.4*10^23 ions

Explanation:

Step 1: Data given

Volume of magnesium chloride = 63.1 mL

Concentration of solution = 1.85 M

Step 2: Calculate moles MgCl2

Moles MgCl2 = concentration * volume

Moles MgCl2 = 1.85 M * 0.0631 L

Moles MgCl2 = 0.117 moles

Step 3: Calculate moles of ions

MgCl2 → Mg^2+ + 2Cl-

For 1 mol MgCl2 we have 1 mol Mg^2+ and 2 moles Cl-

For 0.117 moles MgCl2 we have 0.117 moles Mg^2+ and 2*0.117 = 0.234 moles Cl-

The number of Mg^2+ ions = 0.117 * 6.022 *10^23 = 7.04 *10^22 ions

The number of Cl- ions = 1.4*10^23 ions

4 0
4 years ago
A substance joined by this type of bond shares electrons
telo118 [61]

Answer: Covalent

Explanation:

A covalent compound is formed when an element shares its valence electron with another element. This compound is formed between two non metals. Example: HF

An ionic compound is formed when an element completely transfers its valence electron to another element. The element which donates the electron is known as electropositive element or the metal and the element which accepts the electrons is known as electronegative element or non metal. Example: NaCl

3 0
3 years ago
Based on the following thermodynamic data, calculate the boiling point of ethanol in degrees Celsius. Substance ΔH∘f (kJ/mol) S∘
levacccp [35]

Answer:

76.03 °C.

Explanation:

Equation:

C2H5OH(l) --> C2H5OH(g)

ΔHvaporization = ΔH(products) - ΔH (reactants)

= (-235.1 kJ/mol) - (-277.7 kK/mol)

= 42.6 kJ/mol.

ΔSvaporization = ΔS(products) - ΔS(reactants)

= 282.6 J/K.mol - 160.6 J/K.mol

= 122 J/K.mol

= 0.122 kJ/K.mol

Using gibbs free energy equation,

ΔG = ΔH - TΔS

ΔG = 0,

T = ΔH/ΔS

T = 42.6/0.122

= 349.18 K.

Coverting Kelvin to °C,

= 349.18 - 273.15

= 76.03 °C.

8 0
3 years ago
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