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3 years ago

Which type of energy is stored in molecular bonds?

Physics

2 answers:

vlada-n [284]3 years ago

7 0

Energy, potential energy, is stored in the covalent bonds holding atoms together in the form of molecules.

EastWind [94]3 years ago

5 0

Answer:

Energy, potential energy, is stored in the covalent bonds holding atoms together in the form of molecules. This is often called chemical energy

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Using 0.500 g of nichrome, you are asked to fabricate a wire with uniform cross-section. The resistance of the wire is 0.673 Ω.

mojhsa [17]

Explanation:

Given that,

Mass of Nichrome, m = 0.5 g

The resistance of the wire, R = 0.673 ohms

Resistivity of the nichrome wire, $\rho=10^{-6}\ \Omega -m$

Density, $d=8.31\times 10^3\ kg/m^3$

(A) The length of the wire is given by using the definition of resistance as :

Volume,

$V=A\times l\\\\A=\dfrac{V}{l}\\\\Since, V=\dfrac{m}{d}\\\\V=\dfrac{m}{d}\\\\V=\dfrac{0.5\times 10^{-3}}{8.31\times 10^3}\\\\V=6.01\times 10^{-8}\ m^3$

Area,

$A=\dfrac{V}{l}\\\\A=\dfrac{6.01\times 10^{-8}}{l}$ ....(1)

$R=\rho \dfrac{l}{A}\\\\l=\dfrac{RA}{\rho}\\\\l=\dfrac{0.673\times 6.01\times 10^{-8}}{l\times 10^{-6}}\\\\l=0.201\ m$

(b) Equation (1) becomes :

$A=\dfrac{6.01\times 10^{-8}}{l}\\\\A=\dfrac{6.01\times 10^{-8}}{0.201}\\\\\pi r^2=3\times 10^{-7}\\\\r=\sqrt{\dfrac{3\times 10^{-7}}{\pi}} \\\\r=3.09\times 10^{-4}\ m$

Hence, this is the required solution.

5 0

4 years ago

Which compound has ionic bonding? A. Cl2 B. HF C. CaO D. NO2

GrogVix [38]

the answer is CaO because that's what my homework says is correct

7 0

3 years ago

The brightness of a star is determined

nasty-shy [4]

100% C . By size and distance

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3 years ago

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What is the acceleration of a car that goes from zero to 60m/s in 15s?

bonufazy [111]

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Explanation:

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3 years ago

Calculate the Speed for A + B

Elden [556K]

Answer:

Speed of A + B = 1 m/s

Explanation:

The speed of B = 0 because the distance does not change with time .

The speed of A = 1 m/s ( the slope of the line)

5 0

2 years ago

Which type of energy is stored in molecular bonds?​

Which type of energy is stored in molecular bonds?