2 years ago

What is an extended structure? How do extended structures make up substances

Chemistry

1 answer:

Novosadov [1.4K]2 years ago

8 0

46 because the formal is a expression

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An ionized helium atom has a mass of 6.6 × 10-27 kg and a speed of 5.3 × 105 m/s. It moves perpendicular to a 0.78-T magnetic fi

arsen [322]

Explanation:

In a magnetic field, the radius of the charged particle is as follows.

r = $\frac{mv}{qB}$

where, m = mass, v = velocity

q = charge, B = magnetic field

Therefore, q will be calculated as follows.

q = $\frac{mv}{rB}$

= $\frac{6.6 \times 10^{-27} \times 5.3 \times 10^{5}}{0.014 m \times 0.78 T}$

= $\frac{34.98 \times 10^{-22}}{0.01092}$

= $3.2 \times 10^{-19} \times \frac{1.0 e}{1.6 \times 10^{-19}C}$

= +2e

Thus, we can conclude that the charge of the ionized atom is +2e.

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2 years ago

How many moles are in 55.98g CF2Cl2

Karolina [17]

No of moles = given mass ÷ molecular mass
n = 55.98 ÷ (12+19×2+35.5×2)

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2 years ago

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What volume of nitrogen gas is equal too 3.42x10^22 molecules of this substance

Bas_tet [7]

if i am correct the volume of nitrogen gas has to equal to molecules density, making the substance 1.27 liters :)

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2 years ago

The molecular formula for butane is C4H10. Determine the percent composition for

masya89 [10]

%Mass

Ar C = 12 g/mol, Mr C₄H₁₀ = 58 g/mol, Ar H = 1 g/mol

$\tt C=\dfrac{4.12}{58}\times 100\%=82.8\%\\\\H=100\%-82.8\%=17.2\%$

$\tt H=\dfrac{10.1}{58}\times 100\%= 17.2\%$

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2 years ago

PLEASE HELP ASAP! very much appreciated

soldier1979 [14.2K]

Answer:

-Unknown

Explanation:

Questions is not seen properly bro

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1 year ago