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Pavel [41]
3 years ago
5

Which best describes an element

Chemistry
1 answer:
-Dominant- [34]3 years ago
8 0

Answer:

a pure substance

Explanation:

cant be broken down into any more  simpler substances

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The velocity (speed) of an object was determined to be 45 miles per
Ahat [919]

Answer: 72.58 km/hr

Explanation:

\frac{45 miles}{1 hour}×\frac{1 km}{0.62 miles} = 72.58 km/hr

4 0
2 years ago
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Answer : first opinion and also last
Expiation : Note that these last two reactions, and 2H + 2H → 4He + γ, .Nuclear fusion is a reaction in which two nuclei are combined to form a larger nucleus. Nuclear fusion is a reaction in which two nuclei are combined, or fused, to form a larger nucleus. We know that all nuclei have less mass than the sum of the masses of the protons and neutrons that form them. The missing mass times c2 equals the binding energy of the nucleus—the greater the binding energy, the greater the missing mass.
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3 years ago
If you have 8.943 L of carbon monoxide gas at SATP, how many moles would it contain?
viktelen [127]
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xmole contains 8.943
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8 0
3 years ago
What is the electron configuration of oxygen?​
baherus [9]

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2 years ago
How many grams of KCI can be dissolved in 63.5. g of water at 80
Masteriza [31]

Answer:

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Explanation:

Step 1: Given data

Mass of water: 63.5 g

Step 2: Calculate how many grams of KCl can be dissolved in 63.5. g of water at 80 °C

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63.5 g Water × 56.3 g KCl/100 g Water = 35.8 g KCl

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3 years ago
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