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gladu [14]
2 years ago
10

_____________________ are trying to create better batteries that can store more energy, so that electric cars can travel further

on one charge.
Chemistry
2 answers:
lidiya [134]2 years ago
8 0

Answer:

options?

Explanation:

i mean scientists fits so if any of the options have a scientist thats it

bonufazy [111]2 years ago
8 0

Answer:

Scientists, Chemists, engineers, inventors there is a wide range of answers but if there are options (like A. scientist B. chemists and so on) you need to edit your question and put them in

Explanation:

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Katrina tried to take pictures with her cell phone but discovered that its battery was dead. What happened to the battery?
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C. All the energy stored in the battery had been transformed.
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2 years ago
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Explain how atoms are held together in covalent bonds. Give an example of a covalent compound.
asambeis [7]

Answer:

Explanation:

Atoms are held together by covalent bonds when they share electrons between themselves.

Covalent bonds are bonds that are formed between non-metals usually with a low electronegative difference between them. In this bond type, two non-metals donate electrons which are shared between the combining atoms and this makes them both like the corresponding noble gases. The shared electrons is what forms the covalent bonds.

An example of covalent bond is HCl, H₂S, SO₂, CO₂, O₂ etc

5 0
3 years ago
What is a common use of bases?
Yuliya22 [10]

Answer:

it’s D. to reduce indigestion

Explanation:

4 0
3 years ago
A) A cat dish has a mass of 1975 g and a volume of 7500ml. What is the overall density of the cat dish? B) find the maximum mass
maxonik [38]
What's the answer? It asked to be 20 characters long so just writing this.
5 0
3 years ago
A mixture containing nitrogen, hydrogen, and iodine established the following equilibrium at 400 °C:2NH3(g) + 3I2(g) ⇌ N2(g) + 6
miss Akunina [59]

Answer: The value of K_{c} for this reaction is 250000.

Explanation:

The given equation is as follows.

2NH_{3}(g) + 3I_{2}(g) \rightleftharpoons N_{2}(g) + 6HI(g)

N_{2}(g) + 3H_{2}(g) \rightleftharpoons 2NH_{3}(g); K_{c_{1}} = 0.50   ... (1)

H_{2}(g) + I_{2}(g) \rightleftharpoons 2HI(g); K_{c_{2}} = 50  ... (2)

To balance the atoms, multiply equation (2) by 3. Hence, the equation (2) can be re-written as follows.

3H_{2}(g) + 3I_{2}(g) \rightleftharpoons 6HI(g); K_{c_{2}} = (50)^{3}  ... (3)

Now, subtract equation (1) from equation (3). So, the equation formed will be as follows.

3I_{2} - N_{2} \rightleftharpoons 6HI - 2NH_{3}

This equation can also be re-written as follows.

3I_{2} + 2NH_{3} \rightleftharpoons N_{2} + 6HI

This equation is similar to the equilibrium equation given to us.

Therefore, during this subtraction the equation constants get divided as follows.

K^{'}_{c} = \frac{K_{c_{2}}}{K_{c_{1}}}\\= \frac{(50)^{3}}{0.50}\\= 250000

Thus, we can conclude that the value of K_{c} for this reaction is 250000.

6 0
2 years ago
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