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GREYUIT [131]
3 years ago
6

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

Chemistry
1 answer:
uysha [10]3 years ago
8 0
Your answer is Saturn.
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Define complete precipitation​
ch4aika [34]

<u>Answer</u>:

A precipitation is said to be complete precipitation when no further precipitate can be formed in the process.

<u>Explanation</u>:

Precipitation is the reaction of creating solid from the solution. In precipitation reactions, insoluble salts are formed when two solutions containing soluble salts are combined.

These two solutions contain different salts and have either cation or anion pairing. This reaction helps in the determination of ions in a solution. The solubility table is being used to predict the precipitation reaction. It occurs in solid when one solid’s concentration is above solubility.  

8 0
4 years ago
Grace measures 20mL of water in a graduated cylinder. she puts a piece of rock in the
GaryK [48]

The volume would be explanation times explanation because the explanation is the explanation

Explanation:

3 0
3 years ago
Read 2 more answers
A rope has one end tied to a vertical support. You hold the other end so that the rope is horizontal. If you move the end of the
Lady_Fox [76]

Answer:

  • The speed of the wave in the rope is 2 m/s

Explanation:

1. <u>Data</u>:

a) ν = 4 Hz

b) λ = 0.5 m

c) s = ?

2. <u>Physical principles and formula</u>:

The propagation of waves in a rope is a classical example of <em>transverse waves</em>: the pulse is inflected in the <em>vertical</em> direction and the wave travels in the <em>horizontal</em> direction, i.e. the pulse or vibration is perpendicular to the motion of the media particles.

The equation that relates <em>speed (s), wavelength (λ), frequency (ν) </em>is:

  •            distance     = speed ×      time
  •          wavelength = speed  × period
  •           wavelenfth = speed / frequency
  •                    λ         =      s     /        ν
  •               meter      = (meter/second)  /   second⁻¹
  •                   m        = (m /s) / s⁻¹

3. <u>Solution</u>:

  • λ = s / ν⇒ s = λ·ν
  • s = 0.5 m × 4 Hz = 2 m/s
5 0
3 years ago
The following data are obtained for the decomposition of N2O5 at a certain temperature: 2N2O5(g) ↔ 4NO2(g) + O2(g) Time(s) 0 200
cricket20 [7]

Answer:

K = 0.0003 s⁻¹

Explanation:

The reaction is

2N₂O₅ = 4NO₂ + O₂

The equilibrium is

K[N_{2} O_{5} ]=-\frac{1}{2} \frac{d[N_{2} O_{5} ]}{dt} \\\int\limits^y_x {d[N_{2} O_{5} ]}{} \, =-2k\int\limits^t_0 {dt} \,\\ln[N_{2} O_{5} ]=-2kt+ln[N_{2} O_{5} ]

a plot is attached

From the plot, the slope is -0.0006

-2 * K = -0.0006

K = 0.0003 s⁻¹

Download xlsx
6 0
3 years ago
Electrolyte solutions conduct electricity because electrons are moving through the solution. true or false g
Rasek [7]

Answer: False

Explanation: Electrolyte are good conductors of electricity because they contain ions which are able to move about

7 0
3 years ago
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