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kiruha [24]
3 years ago
6

Which of the following elements has a complete outer shell of electrons? A. Iron (Fe) B. Hydrogen (H) C. Neon (Ne) D. Nitrogen (

N)
Chemistry
1 answer:
Julli [10]3 years ago
3 0

Answer:

The answer is Neon

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Calculate the heat created by the food if the mass if the water is 100 g, the specific heat of water is 4.18 J/g°C and the chang
bulgar [2K]

Answer : The heat created by the food is, 3971 J

Explanation :

Formula used:

q=m\times c\times \Delta T

where,

q = heat produced = ?

m = mass of water = 100 g

c = specific heat capacity of water = 4.18J/g^oC

\Delta T = change in temperature = 9.5^oC

Now put all the given values in the above formula, we get:

q=100g\times 4.18J/g^oC\times 9.5^oC

q=3971J

Therefore, the heat created by the food is, 3971 J

5 0
3 years ago
How is fluorine purified so that it is stable? If this is the same as how it was first purified, then state that it is.
krek1111 [17]

Answer:

it is the same way it is purified in the state

4 0
3 years ago
What is one takeaway you have about future sea levels rising ?
Galina-37 [17]

Answer:

Our world will never be the same. Our beaches will be submerged, many towns, cities, states, and even countries will be partially if not completely submerged. All these human cities being flooded will kill thousands of people, pollute the ocean, and lose billions of dollars.

Explanation:

7 0
2 years ago
Read 2 more answers
3. The density of ethanol is 0.789 g/mL. How many grams of ethanol should be mixed with 225 mL of water to make a 4.5% (v/v) mix
yan [13]

Answer:

I don't know what to say sorry

3 0
3 years ago
Is 2 C4H10 + 13 O2 → 8 CO2 + 10 H2O a double replacement?
natulia [17]

Answer:

The answer to your question is No, it is not.

Explanation:

Data

                C₄H₁₀  +  13O₂   ⇒   8CO₂ +  10H₂O

In a double replacement reaction, two reactants interchange cations an example of these reactions are neutralization reactions. In neutralization reactions, an acid and a base react to form a salt and water.

The reaction of this problem is not a double replacement reaction because the products are carbon dioxide and water, not a salt and water.

The reaction of this problem is a combustion reaction.

8 0
4 years ago
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