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Elina [12.6K]
3 years ago
13

Label each bond in the following compounds as ionic or covalent (10) (a) F2 (b) LiBr (c) NaNH2 (d) CH3CH3

Chemistry
1 answer:
Zigmanuir [339]3 years ago
5 0

Explanation:

Covalent bond -

This type of bonding takes place between the atoms of same or similar electronegativity , is referred to as covalent bonding .

Ionic bonding -

This type of bonding takes place between the atoms of different electronegativity , is referred to as Ionic bonding .

From the question ,

( a ) F₂ - Covalent bonding ( same atom , hence , same the electronegativity )

( b ) LiBr - Ionic bonding ( the electronegativity difference between Li and Br is high )

( c ) NaNH₂ - Ionic bonding ( the electronegativity difference between sodium and Nitrogen is high  )

( d )CH₃CH₃ - Covalent bonding  ( since , the electronegativity difference between carbon and hydrogen is similar )

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A serving of Frosted Flakes cereal contains 235,000 J of energy. Calculate the change in temperature (ΔT) that would occur if th
timama [110]

The change in temperature (ΔT) : 56.14 ° C

<h3>Further explanation</h3>

Given

Cereal energy = 235,000 J

mass of water = 1000 g

Required

the change in temperature (ΔT)

Solution

Heat can be formulated :

Q = m . c . ΔT

c = specific heat for water =  4.186 J / gram ° C

235000 = 1000 . 4.186 . ΔT

\tt \Delta T=\dfrac{235000}{1000\times 4.186}=56.14^oC

3 0
3 years ago
Which nonmetal would an ion of Ca2+ MOST LIKELY ionically bond with in a 1:1 ratio? A) one atom of neon B) one atom of carbon C)
GalinKa [24]
Ca2+ would bond to any element in a 1 to 1 ratio that had an equal and opposite charge.

Neon is a noble gas, and doesn’t form bonds m

Carbon isn’t typically found in ion state, but if it did, it would likely by C4+

Flouring in ionic state is F1-, so you would need 2 flourines to cancel the 2+ charge of Calcium

Then the only option left would be Oxygen which, when in ion form is found be 2-
5 0
3 years ago
Read 2 more answers
Express the rate of reaction in terms of the change in concentration of each of the reactants and products. 2A(g) → B(g) + C(g)
ankoles [38]
[B][C] / [A]^2

Products raised to the coefficients over reactants raised to the coefficients
8 0
3 years ago
What is the charge on an atom after it loses an electron during the formation of a bond?
NARA [144]

Answer:

One positive charge

Explanation:

In a neutral atom, the number of positive and negative particles are equal. This leaves the atom with a net charge of zero, 0.

When the number of protons in an atom is greater than the number of electrons, the atom becomes positively charged. When an atom loses an electron when a bond wants to form, it has a net positive charge.

The number of electrons lost or gained determines the charge.

7 0
3 years ago
Which path will a carbon atom most likely travel from CO2 in the atmosphere to glucose in the cell of a secondary consumer
SVETLANKA909090 [29]

Answer:

See the answer below

Explanation:

<em>The carbon will have to travel in the form of CO2 from the atmosphere to a primary producer (green plant), from there to a primary consumer (herbivorous animal), and finally to a secondary consumer.</em>

The primary producer (a green plant) would fix the carbon in the CO2 to carbohydrate through a process known as photosynthesis. The equation of the process is as shown below:

6 CO_2 + 6 H_2O --> C_6H_1_2O_6 + 6 O_2

The carbon, now in the form of carbohydrate, would then be picked up by an animal (a primary consumer) that feeds on the green plant. The carbon would eventually get into a secondary consumer when the secondary consumer feeds on the primary consumer that fed on the green plant.

8 0
3 years ago
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