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3 years ago

Which planet likely has flowing liquid metallic hydrogen as a source of its magnetic field?

Chemistry

2 answers:

Rufina [12.5K]3 years ago

8 0

Answer: Saturn

Explanation:

Magnetic field of a planet exists because of metal present in molten form in the core. The motion of this molten metal creates a magnetic field.

Core of Earth contains Iron and nickel present in molten state. Thus, a huge magnetic field surrounds the Earth.

Mars and Venus do not have magnetic field.

The magnetic field of Neptune is exists due electrically -conducting water present in it.

Saturn is a giant gaseous planet which is composed of hydrogen nd helium. The magnetic field of the Saturn is present due to liquid hydrogen in its core.

nadezda [96]3 years ago

3 0

Hello,

Q: Which planet likely has flowing liquid metallic hydrogen as a source of its magnetic field?

A: The answer would be Saturn.

Hope this helps. Good luck.

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The student collects the H2 (g) produced by the reaction and measures the volume

BARSIC [14]

The question is incomplete, the complete question is;

The student collects the H2(g) produced by the reaction and measures its volume over water at 298 K after carefully equalizing the water levels inside and outside the gas-collection tube, as shown in the diagram below. The volume is measured to be 45.6mL . The atmospheric pressure in the lab is measured as 765 torr , and the equilibrium vapor pressure of water at 298 K is 24 torr .(i) The pressure inside the tube due to the H2(g)

Answer:

741 torr

Explanation:

From the question we can see that the atmospheric pressure in the lab is 765 torr.

The vapour pressure of water = 24 torr

From Dalton's law of partial pressure, we know that;

Total pressure = Pressure of the H2 + Partial pressure of water vapour

Therefore;

Pressure of H2 = Total pressure - Partial pressure of water vapour

Pressure of H2 = 765 torr - 24 torr = 741 torr

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3 years ago

Adam's dad takes the parkway to work. It takes him 45 minutes to travel from mile marker 145 where he enters the parkway to his

BartSMP [9]

This would be C, 1.044 mi/min

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3 years ago

I just need help on the reactivity series stuff please I need to pass my grade check HELP

Setler [38]

Reactivity series:-

$\setlength{\unitlength}{0.8 cm}\begin{picture}(20,15)\thicklines\put(5,9.5){\large {\boxed{ \sf{Reactivity \: series}}}}\put(0.8,8){\large\sf K \qquad\qquad\qquad Potassium\qquad\qquad\qquad \: maximum}\put(0.8,7.2){\large\sf Na \qquad\qquad\qquad Sodium\qquad\qquad\qquad\quad \: reactivity}\put(0.8,6.2){\large\sf Ca\qquad\qquad\qquad \: Calcium}\put(0.8,5.2){\large\sf Mg\qquad\qquad\quad \: Magnesium}\put(0.8,4.2){\large\sf Al\qquad\qquad\qquad \: Aluminium\qquad\qquad\qquad \: decreasing}\put(0.8,3.2){\large\sf Zn\qquad\qquad\quad\qquad \: Zinc\qquad\qquad\qquad\qquad \:reactivity}\put(0.8,2.2){\large\sf Fe\qquad\qquad\quad\qquad Ferrous}\put(0.8,1.2){\large\sf Pb\qquad\qquad\qquad \: \:\: Lead}\put(0.8,0.2){\large\sf H\qquad\qquad\qquad \: \:Hydrogen}\put(0.8, - 0.6){\large\sf Cu\qquad\qquad\qquad \: Copper}\put(0.8, - 1.5){\large\sf Hg\qquad\qquad\qquad \: Mercury}\put(0.8, - 2.5){\large\sf Ag\qquad\qquad\qquad \: \:Silver}\put(0.8, - 3.5){\large\sf Au\qquad\qquad\qquad \: \: Gold\qquad\qquad\qquad\quad \: \: minimum reactivity}\put(9.3,8.2){\vector(0, - 2){12}}\end{picture}$

Ag is found as too less reactive so

Cu✓
Al✓
Ca✓

No element in universe can displace potassium (K) from its solution as it's most reactive .

Nota

Fe is also a reactive metal.

Only Cupper is less reactive than it

Al✓
Ca✓

Only Calcium can displace Mg

Mg and Ni can do ,Aurum(Gold) is least reactive so can't

Only Mg

Only Mg

Mg and Ni

Only Zn

#10

Zn and Pt

#11

Nota

As Ca is third most reactive metal

#12

Nota

4 0

3 years ago

Ethanol is made by fermentation how is ethonall obtained from the fermentation mixture

grigory [225]

Answer:

Fermentation: Single-celled microorganisms called yeast are added to the slurry. Fermentation is the biochemical process that occurs when yeast break down glucose. Yeast gets energy from glucose. As a result, ethanol is produced.

MARK ME BRAINLIST

7 0

3 years ago

At 20 âˆ˜C the vapor pressure of benzene C6H6 is 75 torr and that of toluene C7H8 is 22 torr. Assume that benzene and toluene fo

Olegator [25]

Answer:

a) Xbenzene = 0.283

b) Xtoluene = 0.717

Explanation:

At T = 20°C:

⇒ vapor pressure of benzene (P*b) = 75 torr

⇒ vapor pressure toluene (P*t) = 22 torr

Raoult's law:

Pi = Xi.P*i

∴ Pi: partial pressure of i

∴ Xi: mole fraction

∴ P*i: vapor pressure at T

a) solution: benzene (b) + toluene (t)

∴ Psln = 37 torr; at T=20°C

⇒ Psln = Pb + Pt

∴ Pb = (Xb)*(P*b)

∴ Pt = (Xt)*(P*t)

∴ Xb + Xt = 1

⇒ Psln = 37 torr = (Xb)(75 torr) + (1 - Xb)(22 torr)

⇒ 37 torr - 22 torr = (75 torr)Xb - (22 torr)Xb

⇒ 15 torr = 53 torrXb

⇒ Xb = 15 torr / 53 torr

⇒ Xb = 0.283

b) Xb + Xt = 1

⇒ Xt = 1 - Xb

⇒ Xt = 1 - 0.283

⇒ Xt = 0.717

6 0

4 years ago