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Novay_Z [31]
2 years ago
10

What new theory makes this an exciting time to study the earth?

Chemistry
1 answer:
NNADVOKAT [17]2 years ago
3 0
<span>In 2013, MIT biophysicist proposed a new theory that atoms can restructure themselves to dissipate more energy under the right conditions (external energy and heat)-atoms, therefore, can take on qualities we associate with life. According to his theory, this may be the basis for lifeform as we know it.</span>
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How many grams of CO₂ can be produced from the combustion of 2.76 moles of butane according to this equation: 2 C₄H₁₀(g) + 13 O₂
Vilka [71]

Answer:

485.76 g of CO₂ can be made by this combustion

Explanation:

Combustion reaction:

2 C₄H₁₀(g) + 13 O₂ (g) → 8 CO₂ (g) + 10 H₂O (g)

If we only have the amount of butane, we assume the oxygen is the excess reagent.

Ratio is 2:8. Let's make a rule of three:

2 moles of butane can produce 8 moles of dioxide

Therefore, 2.76 moles of butane must produce (2.76 . 8)/ 2 = 11.04 moles of CO₂

We convert the moles to mass → 11.04 mol . 44g / 1 mol = 485.76 g

5 0
3 years ago
Bob pours tomato sauce over cooked spaghetti noodles and stirs them together to make a spaghetti cassarole. Which term best desc
Ierofanga [76]
A.


Spaghetti is still visible and hasn’t been mixed homogeneously
3 0
1 year ago
Can you please help me (50 points)
Anna35 [415]

Answer:

P=15

N=59

Explanation:

Pic is blurry but I based my answer on bottom number being 74

4 0
2 years ago
Help me is a critic acid a solid or a liquid??​
Musya8 [376]

Answer:

See below

Explanation:

It is neither, at least not at room temperature.

Citric acid exists as a power at room temperature, but can be crystallized from cold water. This can be considered it's " solid state, " but as I mentioned before this acid is a powder. Take a look at the attachment below. This is a citric acid present as a crystal;

7 0
3 years ago
What principle chemistry​
NNADVOKAT [17]
Is this a question ?
8 0
3 years ago
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