4 years ago

What is the difference between diatomic and poly-atomic molecules? Site some examples.

1 answer:

8 0

Their difference lies in the prefix used before each root word, atom. The diatomic molecules are composed only of 2 atoms such as that of the diatomic elements: H2, O2, N2, Cl2, etc. On the other hand, polyatomic molecules are made up of three or mole atoms such as NH4+, H2SO4, etc.

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The potential energy an object has due to it position Is called _______ potential energy

Romashka-Z-Leto [24]

Gravitational potential energy :)

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3 years ago

A Red Rider bb gun uses the energy in a compressed spring to provide the kinetic energy for propelling a small pellet of mass 0.

Kay [80]

Answer:

a.6.5025 J

b.6.5025 J

Explanation:

We are given that

Mass of pellet,m=0.27 g= $0.27\times 10^{-3} kg$

1 kg=1000 g

Spring constant,k=1800 N/m

x=8.5 cm= $8.5\times 10^{-2} m$

1m=100 cm

a.Potential energy stored in the compressed spring is given by

P.E= $\frac{1}{2}kx^2$

$P.E=\frac{1}{2}(1800)(8.5\times 10^{-2})^2$

$P.E=6.5025 J$

b.By using law of conservation of energy

P.E of spring=K.E of the pellet

K.E of the pellet=6.5025 J

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4 years ago

Convert 66.2 mi/h to m/s. 1 mi = 1609 m.<br> Answer in units of m/s.

Kryger [21]

Answer:

Explanation:

66.2mi/h to m/s

$\frac{1609m}{1mi}$ × $\frac{66.2mi}{1h}$ × $\frac{1h}{60min}$ × $\frac{1min}{60s}$

mi will go with mi
h with h
min with min
m/s is left

$\frac{1609*66.2}{60*60}$ = 29.58772222

Pls make sure of the way of solving to be sure...

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4 years ago

Suppose you are on an airplane moving at high speed. If you flip a coin straight up it will land in your lap rather than a great

maxonik [38]

It will land in your lap because there's different frames of motion relative to yourself. For example, if you're running at a speed of 6 mph, it doesn't mean you'll run as fast as the Earth spins. Also, since you're on the interior of the plane, any kind of wind or weather on the outside will not affect the coin. A law to back up this claim is Einsteins Special Law of Relativity.

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3 years ago

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How much energy (in joules) is released when 0.06 kilograms of mercury is condensed to a liquid at the same temperature?

zvonat [6]

The answer is .... C. 17,705.1 J

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3 years ago

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