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Evgen [1.6K]
3 years ago
9

2. (1 point) How many electrons available for bonding does Helium (He) have?

Chemistry
1 answer:
Romashka-Z-Leto [24]3 years ago
3 0

Answer:

Helium has 2 electrons

Explanation:

If this is correct or helpful pls consider brainliest!

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One hot day, after adding fertilizer to the soil for her flowers, Joann notices that their petals change from pink to purple. In
lianna [129]

Answer:

in this scenario a color change occured.

8 0
3 years ago
5. A sample of methane has a volume of 225 mL at 0.650 atm of pressure. What will the new volume be if the
Norma-Jean [14]

Answer:

not sure

Explanation:

8 0
3 years ago
At 1000 K the Kc value for the following reaction is 1.5 × 10⁶ (1) N₂O₄ (g) ⇌ 2 NO₂ (g) At 1000 K the Kc value for the following
Ahat [919]

Answer:

The value of Kc is 9.33 * 10^-17

Explanation:

Step 1: Data given

Temperature = 1000 K

N₂O₄ (g) ⇌ 2 NO₂ (g) Kc = 1.5 * 10^6

N₂ (g) + 2 O₂(g) ⇌ 2 NO₂ (g)  Kc = 1.4 * 10^-10

Step 2: Calculate Kc for  N₂ (g) + 2 O₂ ⇌ N₂O₄

N₂O₄ (g) ⇌ 2 NO₂ (g) Kc = 1.5 * 10^6

2 NO₂ (g) ⇌  N₂O₄ (g)    = 1/Kc = 1 / 1.5 * 10^6   = 6.67 *10^-7

N₂ (g) + 2 O₂(g) ⇌ 2 NO₂ (g)  Kc = 1.4 * 10^-10

Kc = Kc1 * Kc2

Kc = (6.67 *10^-7) * (1.4 * 10^-10)

Kc = 9.33 * 10 ^-17

The value of Kc is 9.33 * 10^-17

4 0
3 years ago
What are the effects of acid precipitation in city centers
Rus_ich [418]

Answer:

Answer to the following question is as follows.

Explanation:

Acid rain causes harm to houses and buildings by dissolving stone or corroding metal exposed to the elements. Acid rain can degrade calcium carbonate or calcium-based chemicals found in some of these products.

The acidic particles damage metal and accelerate the deterioration of paint and stone. They also make buildings and other structures, like as monuments, filthy.

8 0
3 years ago
Calculate the velocity of an ocean wave that has a wavelength of 5 meters and a frequency of 2 Hertz (Hz).
bulgar [2K]

Answer:

Option C. 10m/s

Explanation:

Data obtained from the question include:

Wavelength = 5m

Frequency = 2Hz

Velocity =..?

Velocity of a wave is related to the wavelength and frequency by the following equation:

Velocity = wavelength x frequency

With the above equation, we can easily calculate the velocity of the ocean wave as follow:

Velocity = 5 x 2

Velocity = 10m/s

From the calculation made above, we can see that the velocity of the ocean wave is 10m/s.

4 0
3 years ago
Read 2 more answers
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