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3 years ago

The element sulfur is most likely to form covalent bonds with element

Physics

2 answers:

jeka57 [31]3 years ago

8 0

Answer:

Explanation:

Element Sulfur has s symbol S in periodic table and has atomic number 16.

It is found in octatomic molecular structure and is a bright yellow crystalline solid at room temperature.

As Sulfur has 8 electrons in outer most shell, it forms only few covalent bond.

It combines with Hydrogen and Oxygen to form molecules of sulfides and Oxides.

Example : Hydrogen Sulfide ( H₂S)

Sulfur Trioxide ( SO₃)

Sulfuric Acid ( H₂SO₄)

atroni [7]3 years ago

5 0

The answer is oxygen.

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3 years ago

A machine accelerates a 5 kg missile from rest to a speed of 5 km/s. The net force accelerating the missile 500,000 N. How long

Gnoma [55]

Final velocity = 5km/sec = 5000 m/sec
Initial velocity = 0, mass = 5kg and force = 500,000 N
F = m(Vf-Vi)/time
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3 years ago

Two protons are 9.261 fm apart. (1 fm= 1 femtometer = 1 x 10^-15 m.) What is the ratio of the electric force to the gravitationa

Strike441 [17]

Answer:

$1.24\times 10^{36}$

Explanation:

$q$ = magnitude of charge on each proton = 1.6 x 10⁻¹⁹ C

$m$ = mass of each proton = 1.67 x 10⁻²⁷ kg

r = distance between the two protons = 1 x 10⁻¹⁵ m

Electric force between the two protons is given as

$F_{e} = \frac{kq^{2}}{r^{2}}$

$F_{e} = \frac{(9\times 10^{9})(1.6\times 10^{-19})^{2}}{(1\times 10^{-15})^{2}}$

$F_{e} = 230.4$ N

Gravitational force between the two protons is given as

$F_{g} = \frac{Gm^{2}}{r^{2}}$

$F_{g} = \frac{(6.67\times 10^{-11})(1.67\times 10^{-27})^{2}}{(1\times 10^{-15})^{2}}$

$F_{g} = 1.86\times 10^{-34}$ N

Ratio is given as

$Ratio =\frac{F_{e}}{F_{g}}$

$Ratio =\frac{230.4}{1.86\times 10^{-34}}$

$Ratio = 1.24\times 10^{36}$

3 0

3 years ago

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Um ônibus percorre a distância de 480 km, entre Santos e Curitiba, com velocidade escalar média de 80 km/h. De Curitiba a Floria

Mariulka [41]

Answer:

10 h

Explanation:

velocidade é a taxa de variação da distância no tempo. é a razão entre a distância e o tempo

de Santos e Curitiba:

distância (d) de 480 km, velocidade (s) de 80 km/h

$s=\frac{d}{t}\\ t=\frac{d}{s} =\frac{480}{80}=6h$

de Curitiba e Florianópolis:

distância (d) de 300 km, velocidade (s) de 75 km/h

$s=\frac{d}{t}\\ t=\frac{d}{s} =\frac{300}{75}=4h$

tempo médio de ônibus entre Santos e Florianópolis = 6h + 4h = 10h

7 0

3 years ago

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