Which type of bond will form between two chlorine atoms?

Answers

Answer 1

Answer: The link between the same atom is always non-polar Covalent.Is Covalent because there is no possibility of an atom donating electrons to the other, since they are equal and need the same number of electrons, and is why the formal charge non-polar (electronegativity) of two atoms is equal. When there is no difference of formal charges (dipole moment) between the atoms, the connection is always apolar.

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Which chemical equation is correctly balanced?(1) H2(g) + O2(g)=> H2O(g)(2) N2(g) + H2(g) =>NH3(g)(3) 2NaCl(s)=>Na(s) + Cl2(g)(4) 2KCl(s) => 2K(s) + Cl2(g)

[AZ][B]^4=K[AB2]^2
As this reaction takes place at higher temperatures, it is observed that the equilibrium shifts toward the products. The
reaction is ?
1) exothermic
2)endothermic

Answers

Answer:

I think D. shift the equilibrium reaction to favor the endothermic process

Explanation:

Which statement describes an alternate theory of acids and bases?(1) Acids and bases are both H+ acceptors.
(2) Acids and bases are both H+ donors.
(3) Acids are H+ acceptors, and bases are H+ donors.
(4) Acids are H+ donors, and bases are H+ acceptors.

Answers

Answer: Option (4) is the correct answer.

Explanation:

According to Bronsted and Lowry, acids are the species which can donate hydrogen or $H^(+)$ ions.

Whereas bases are the species which can accept hydrogen or $H^(+)$ ions.

Thus, we can conclude that the statement acids are $H^(+)$ donors, and bases are $H^(+)$ acceptors describes an alternate theory of acids and bases.

The answer is (4) Acids are H+ donors, and bases are H+ acceptors. This constitutes the Bronsted-Lowry theory of acids and bases.

ovalent bonds are formed by which of the following? A. The energy transfer from one body to another B. The bonding of cations and anions C. Weak electrostatic attraction between charged areas of adjacent molecules D. The electrostatic attraction between oppositely charged ions E. The sharing of electrons between atoms

Answers

Answer:

E. THE SHARING OF ELECTRONS BETWEEN ATOMS

Explanation:

Covalent bonds are formed by sharing of electrons between the two reacting atoms so that a stable octet structure can be attained. The electron pair is called shared pair and each atom contributes an electron of the shared pair of electron.

Molecules are formed by covalent bonding and not ions. Examples of covalent bonds are hydrogen molecule (H2), Chlorine molecule (Cl2), water molecule (H2O).

Covalent compounds usually dissolve in non-polar solvents and not polar solvents (water), most covalent compounds do not conduct electricity.

Dative bonding is different from normal covalent bindings as the shared pair is donated by only one of the participating atom in coordinate covalent bonding.

What mass of iron would be need 1450 cal of energy in order to raise its temperature by 19.7 degrees Celsius

Answers

Answer:

The mass of iron needed will be 669.13 grams

Explanation:

The formula to be used here is that of specific heat equation which is

Q = mc Δt

where Q is the heat energy (in calories according to this question) = 1450 cal

m is the mass of the substance being heated (in this case Iron) = unknown

c is the specific heat of the substance (iron) = 0.11 cal/(g. °C)

Δt is the change in temperature in degree celsius = 19.7 °C

From the specific heat equation provided earlier, the mass of Iron needed can be calculated as

m = Q ÷ (c × Δt)

m = 1450 ÷ (0.11 × 19.7)

m = 1450 ÷ 2.167

m = 669.13 grams

The mass of iron needed will be 669.13 grams

NOTE: Kindly consider the units when solving. The reason for the choice of 0.11 cal/(g. °C) as specific heat is because the heat energy was in calories. If the heat energy was in joules, the specific heat of iron would have been different and the unit would have been j/(g. °C).

The specific heat of iron is 0,113 cal/g·ºC. Clearing the mass in the equation below:

$Q = m\cdot c_e\cdot \Delta T\ \to\ m = (Q)/(c_e\cdot \Delta T) = (1\ 450\ cal)/(0,113(cal)/(g\cdot ^\circ C)\cdot 19,7^\circ C) = \bf 651,36\ g$

Toolkit
How many energy levels does sulfur have?
A. 2
B. 3
C. 4
D. 14

Answers

Sulfur has 3 energy levels.

Answer:

Explanation:

A solution is considered neutral if its pH is _________ 7.a. equal to
b. less than
c. greater than

Answers

When the solution has a ph equal to 7

Answer:

a, equal to

Explanation:

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