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klasskru [66]
3 years ago
6

Which of the following is the general format for a double displacement reaction?

Physics
2 answers:
Shkiper50 [21]3 years ago
8 0

Answer:

AX + BY  → AY + BX

Explanation:

In double displacement reaction, the cations and anions of the two compounds switch places and form two new compounds. Exchange of bonds takes place. One of the product usually precipitates.

AX + BY  → AY + BX

In this general format, AX and BY compounds react, X and Y exchange places and form different compounds (AY and BX).

omeli [17]3 years ago
4 0
This is the general format for a double displacement reaction
A + B = AX + BY
It would be the fourth option.
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An early submersible craft for deep-sea exploration was raised and lowered by a cable from a ship. When the craft was stationary
Assoli18 [71]

Answer:

The tension in the cable when the craft was being lowered to the seafloor is 4700 N.

Explanation:

Given that,

When the craft was stationary, the tension in the cable was 6500 N.

When the craft was lowered or raised at a steady rate, the motion through the water added an 1800 N.

The drag force of 1800 N will act in the upward direction. As it was lowered or raised at a steady rate, so its acceleration is 0. As a result, net force is 0. So,

T + F = W

Here, T is tension

F = 1800 N

W = 6500 N

Tension becomes :

T=W-F\\\\T=6500-1800\\\\T=4700\ N

So, the tension in the cable when the craft was being lowered to the seafloor is 4700 N.

7 0
3 years ago
The force between two interacting charges is 9.0 × 10-5 newtons. They are kept 1 meter apart. If the magnitude of one charge is
Oliga [24]

The magnitude of other charge will be 1 × 10⁻² coulomb

The formula of electrostatic force is

Electrostatic force = K q1 q1 / r²

where k is the coulomb's constant whose value is 9 × 10⁹

q1 and a2 are the magnitude of charges

and r is the distance between them

magnitude of the force given to us is 9.0 × 10⁻⁵ newtons

magnitude of one charge = 1.0 × 10⁻⁶ coulomb

Force = K q1 q2 / r²

9.0 × 10⁻⁵ = ( ( 9 × 10⁹ ) × ( 1.0 × 10⁻⁶ ) × q2 ) / 1

9.0 × 10⁻⁵ =  9 × 10³ × q2  

10⁻² = q2  

Charge on q2 is 1 × 10⁻² coulomb

So the magnitude of the second charge is came out to be 1 × 10⁻² coulomb after applying the formula of electrostatic force.

Learn more about electrostatic force here:

brainly.com/question/17692887

#SPJ10

8 0
2 years ago
Plz plz plz plz plz plz hlep me
Amanda [17]

Answer:

decantation, distilling, freezing

6 0
3 years ago
Light shines through a single slit whose width is 5.7 10-4 m. A diffraction pattern is formed on a flat screen located 4.0 m awa
polet [3.4K]

Answer: 557nm

Explanation:

Visible light has been known to have its wavelengths in the range between 400 to 700 nanometres (nm), or 4*10^-7 to 7*10^-7 m. This wavelength is between infrared and ultraviolet. Infrared has longer wavelengths and while on the other hand ultraviolet has shorter wavelengths. The wavelength of visible light has a frequency of approximately 430 to 750 terahertz (THz).

tanΦ= 0.0039/4 = 9.75*10^-4

Φ= tan^-1 (9.75*10^-4)

Φ= 0.056

λ= (5.7*10^-4) * sin 0.056

λ= 5.57*10^-7m

λ= 557nm

5 0
4 years ago
A wire runs left to right and carries a current in the direction shown. What is the direction of the magnetic field at point Z?
Vanyuwa [196]
The correct option is out of the screen.

As the motion of positive charge is the direction of current in the wire. From the right-hand curl rule, the magnetic field direction will be outside the paper or the screen. As the <span>wire runs left to right and carries a current in the direction from left to right, the magnetic field lines will be outside the screen.</span>
5 0
3 years ago
Read 2 more answers
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