State the type of bonding—ionic, covalent, or metallic—you would expect in each: (b) MgCl₂(s);

1 answer:

3 0

MgCl2 is an ionic compound because chemical bonds in the molecule are formed by the transfer of electrons among Mg and Cl atoms.

<h3>What is chemical bond ?</h3>

A chemical bond is a strong bond that can be formed between atoms, ions, or molecules to create chemical compounds. The bond may be created by the sharing of electrons in covalent bonds or by the electrostatic attraction of two oppositely charged ions, as in ionic bonds. Covalent, ionic, and metallic bindings are examples of "strong bonds" or "primary bonds," whereas dipole-dipole interactions, the London dispersion force, and hydrogen bonding are examples of "weak bonds" or "secondary bonds."

The positively charged protons in the nucleus and the negatively charged electrons in its orbit are attracted to one another by the basic electromagnetic force.

To learn more about chemical bonds from the given link:

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1. Coal gasification consists of the chemical transformation of solid coal into gas. The heating values of coal differ, but the

creativ13 [48]

Complete question:

Coal gasification consists of the chemical transformation of solid coal into gas. The heating values of coal differ, but the higher the heating value, the higher the value of the gas produced (which is essentially methane, carbon monoxide, hydrogen, etc.). The following coal has a reported heating value of 29,770 KJ/Kg as received. Assuming that this is the gross heating value, calculate the net heating value.. Component__________Percent C___________________71

H2__________________5.6

N2__________________1.6

S____________________2.7

Ash__________________6.1

O2___________________13

Answer:

LHV = 28478.8 KJ/kg

Explanation:

The gross heating value is also the higher heating value (HHV), while the net heating value is the lower heating value (LHV).

This involves the conversion from higher heating value (HHV) to lower heating value(LHV).

Let's use the formula:

LHV = HHV - 0.212H - 0.0245M - 0.008A

We are given

HHV = 29,770 KJ/kg = 29.770MJ/kg

H = hydrogen% =5.6%

A = oxygen% = 13%

M = 0

Substituting the figures in the formula, we have:

LHV = 29.770 - 0.212*5.6 - 0.0245*0 - 0.008*13

= 29.770 - 1.1872 - 0 - 0.104

= 28.4788 MJ/kg

= 28478.8 KJ/kg

LHV = 28478.8 KJ/kg

The net heating value, LHV = 28478.8 KJ/kg

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3 years ago

What is the concentration of a 0.750 l solution that contains 52.0 g of glucose (c6h12o6)?

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Concentration of Solutions is oftenly expressed in Molarity. Molarity is the number of moles of solute dissolved per volume of solution.

Molarity = Moles / Volume
As,
Moles = Mass / M.mass
So,
Molarity = Mass / M.mass × Volume ---- (1)

Data Given;
Volume = 0.750 L

Mass = 52 g

M.mass = 180 g/mol

Putting Values in eq.1,

Molarity = 52 g ÷ (180 g.mol⁻¹ × 0.750 L)

Molarity = 0.385 mol.L⁻¹

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3 years ago

What type of experiments can be carried out to determine the spontaneity of a reaction? Does spontaneity have any relationship t

Alexeev081 [22]

Answer:

Following are the responses to this question:

Explanation:

They can measure the spontaneity of the reaction with the form, $\Delta G =\Delta H - T \Delta S$ Substituting the values of $\Delta H, T,\ and \ \Delta S$ in the above expression information mostly on the playfulness of the reaction would be given to us from the expression above. This reaction is spontaneous if the price of $\Delta G$ is negative, and if it is positive the response is not random. At equilibrium, the values of $\Delta G, \Delta H, \ and \ \Delta S$ are 0.