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Oduvanchick [21]
3 years ago
7

2.)Which action forms a different chemical substance?

Chemistry
1 answer:
kvv77 [185]3 years ago
6 0

Answer:

B. burning a piece of wood

Explanation:

The Chemical Would Be The Air Coming From The Wood While Burning It

Tell Me If Im Correct  

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The nutritional energy content (in Calories) present in 86g of broccoli with 6g of carbohydrates, 2.6g of protein, and 0.3g of f
asambeis [7]

Answer:

37.1 calories.

Approximately, 37.1 = 40 calories.

Explanation:

So, without mincing words let's dive straight into the solution to the question above.

We are given the following parameters which are going to help in solving this particular Question.

The mass of broccoli = 86g of broccoli, mass of carbohydrates present = 6g of carbohydrates, the mass of protein present = 2.6g of protein and the mass of fat present = 0.3g of fat.

Therefore, the nutritional energy content (in Calories) = (6 × 4) + (2.6 × 4) + (0.3 × 9) = 10.4 + 24 + 2.7 = 37.1

Hence, the nutritional energy content (in Calories) = 37.1 calories.

Approximately, 37.1 = 40 calories.

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3 years ago
What is density? What does it tell you about the substance?
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How heavy the object is.
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The standard atomic weight of a C is 12, and the standard atomic weight of a H is 1.  So to find molar ratio of C and H in the compound: 60.0/12=5, 5.05/1=5. This means the molar ratio of C and H is 5:5, thus 1:1.  Assuming the molecular formula is CnHn, to find molar mass: 12n + 1n = 78.12.  n=78.12/(12+1) = 6.  So the compound's molecular formula is C6H6, benzene.
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How many grams of NH3 can be produced from 4.98 mol of N2 and excess H2
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169.32 grams of NH3 ........
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An inference _______.
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Answer:

A

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Am Inference is an educated guess, or a guess using prior knowledge

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