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Sedaia [141]
3 years ago
8

What is a base?

Chemistry
1 answer:
Rufina [12.5K]3 years ago
6 0

Answer:

The subsrance that increases OH ion concentration.

Explanation:

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Which of the following was NOT suggested by Rutherford’s gold foil experiment?
Phoenix [80]

Answer: The Answer is C.

Explanation: The Nucleus only makes up less than .01% of the volume of the Atom. The Nucleus does contain more than 99.9% of the mass of the Atom. I hope that this helps you! Good luck!

5 0
3 years ago
Alguien saber esto? Literal no se este material
Vikki [24]

Answer:

2. 389.15K , 3. 229.15K

Explanation:

K-273.15 = °C

3 0
3 years ago
When an electron is displaced in a semi conductor, the hole that’s left behind is?
lisov135 [29]

Explanation:

holes are left due to space left out the migrating electrons. they are positive charge carriers. if the electron moves in one direction, the holes appear to move in the opposite direction.

6 0
4 years ago
What is the frequency of a photon having an energy of 4.91 × 10–17 ? (c = 3.00 × 108 m/s, h = 6.63 × 10–34 J · s)​
AlexFokin [52]

Answer:

The frequency of the photon is 7.41*10¹⁶ Hz

Explanation:

Planck states that light is made up of photons, whose energy is directly proportional to the frequency of radiation, according to a constant of proportionality, h, which is called Planck's constant. This is expressed by:

E = h*v

where E is the energy, h the Planck constant (whose value is 6.63*10⁻³⁴ J.s) and v the frequency (Hz or s⁻¹).

So the frequency will be:

v=\frac{E}{h}

Being E= 4.91*10⁻¹⁷ J and replacing:

v=\frac{4.91*10^{-17} J}{6.63*10^{-34} J.s}

You can get:

v= 7.41*10¹⁶ \frac{1}{s}= 7.41*10¹⁶ Hz

<u><em>The frequency of the photon is 7.41*10¹⁶ Hz</em></u>

<u><em></em></u>

4 0
3 years ago
Before a Bill can move to "floor consideration" in the General Assembly, it must first pass through
ANEK [815]

Answer:I believe it is the Senate

Explanation:

8 0
3 years ago
Read 2 more answers
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