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Marta_Voda [28]
3 years ago
8

What is the correct name for the covalent compound N3Se5?

Chemistry
1 answer:
AveGali [126]3 years ago
6 0

Answer:

I think it's Trinitrogen Pentaseleniumide

Explanation:

Tri - three

Penta - five

Second element ends with -ide

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Veronika [31]

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66.25%

Explanation:

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4 years ago
When a neutral atom gains or loses a proton, it becomes a(n)
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Ion

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3 0
3 years ago
In a car crash, large accelerations of the head can lead to severe injuries or even death. A driver can probably survive an acce
Alexxandr [17]

Answer:

Velocity, u = 14.7 m/s

Explanation:

It is given that, a driver can probably survive an acceleration of 50 g that lasts for less than 30 ms, but in a crash with a 50 g acceleration lasting longer than 30 ms, a driver is unlikely to survive.

Let v is the highest speed that the car could have had such that the driver survived. Using a = -50 g and t = 30 ms

Using first equation of kinematics as :

v=u+at

In case of crash the final speed of the driver is, v = 0

0=u+at

-u=at

-u=-50\times 9.8\times 30\times 10^{-3}

u = 14.7 m/s

So, the highest speed that the car could have had such that the driver survived is 14.7 m/s. Hence, this is the required solution.

8 0
3 years ago
Which example is the site of oxidation when the dry cell is operating?
geniusboy [140]

Answer:

solid zinc layer

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6 0
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Which of the following statements is always TRUE for the freezing of water?
Rom4ik [11]

ΔG > 0 is always true for the freezing of water.

Explanation:

  • The freezing of water is only spontaneous when the temperature is fairly small. Over 273 K, the higher value of TΔS causes the sign of ΔG to be positive, and there is no freezing point.
  • The entropy decreases as water freezes. This does not infringe the Thermodynamics second law. The second law doesn't suggest entropy will never diminish anywhere.
  • Entropy will decline elsewhere, provided it increases by at least as much elsewhere.
3 0
3 years ago
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