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11 months ago

Decided whether the bond is likely to be polar or not.

Chemistry

1 answer:

Marizza181 [45]11 months ago

3 0

Answer:

$\begin{gathered} N\equiv N:triple\text{ }covalent\text{ }bond \\ Cl-Cl:covalent\text{ }bond \\ Br-F:Polar \end{gathered}$

Explanation: Nitrogen triple bonding with nitrogen is a covalent bond. Each nitrogen needs three electron to fill its octet so both nitrogen atoms will share the electrons. Chlorine- Chlorine has a covalent bond. Each chlorine atom needs one electron to fill its octet and so both chlorine atoms share. Bromine-Flouride is polar because of the difference in electronegative, flourine being the more electronegative of the two.

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How many moles of water are produced from 13.35 mol of oxygen?

solong [7]

In the balanced reaction shown, there are twice as many moles of water as oxygen. If 13.35 moles of oxygen are reacted, 26.70 moles of water is formed

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3 years ago

We can also use the equation for enthalpy change for physical phase changes. Consider the phase change H2O(l) → H2O(g). Calculat

VLD [36.1K]

Answer: The value of enthalpy of the given reaction is 44.000 kJ/mol , that is energy is supplied to water to change into water vapors

Explanation:

$H_2O(l)\rightarrow H_2O(g),\Delta H_{rxn}=?$

Enthalpy of formation of water in liquid state, $\Delta H_{f,H_2O(l)}=-285.820 kJ/mol$

Enthalpy of formation of water in gaseous state, $\Delta H_{f,H_2O(g)}=-241.820 kJ/mol$

$\Delta H_{rxn}=\sum \Delta H_f \text{of products}-\sum \Delta H_f \text{of reactants}$

$\Delta H_{rxn}=(-241.820 kJ/mol)-(-285.820 kJ/mol)=44.000 kJ/mol$

The value of enthalpy of the given reaction is 44.000 kJ/mol, that is energy is supplied to water to change into water vapors.

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3 years ago

Read 2 more answers

NEED HELP ASAP, how many molecules are in 4nh3

GenaCL600 [577]

Answer:

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3 years ago

Which of these best describes the role of plants in the carbon-oxygen cycle? A. to absorb carbon dioxide from the atmosphere and

IceJOKER [234]

Answer:

A. to absorb carbon dioxide from the atmosphere and use it to make sugar

Explanation:

Green plants with the help of their green coloring pigment called chlorophyll helps to absorb sunlight. This sunlight helps in the process Called photosynthesis in which plants manufacture food (sugar) using CO2(Carbon dioxide)and Water to give Oxygen and Sugar. The oxygen is released back into the atmosphere.

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Answer A B C and D please for my chemistry hw

r-ruslan [8.4K]

<u>Answer:</u> The equations are provided below.

<u>Explanation:</u>

Skeleton equations are defined as the equations which simply indicate the molecules that are involved in a chemical reaction. These equations are unbalanced equations.

Balanced equations are defined as the chemical equation in which number of individual atoms on the reactant side must be equal to the number of individual atoms on the product side.