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Jet001 [13]
3 years ago
6

For the reaction below, if the rate of appearance of Br2 is 0.180 M/s, what is the rate of disappearance of

Chemistry
1 answer:
brilliants [131]3 years ago
7 0

Answer:

–0.360 M/s

Explanation:

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This element is a metalloid of Group IV. It has ____ valence electrons on the third energy level. Its name is ____, symbol____.
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Atomic absorption spectroscopy was used to determine the amount of aluminum in a sample of sunscreen. A blank solution was measu
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Answer:

LOD = 0,0177

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Explanation:

Detection limit (LOD) is defined as the lowest signal which, with a stated probability, can be distinguished from a suitable blank signal. In the same way, quantification limit (LOQ) is defined as the lowest analyte concentration that can be quantitatively detected with a stated accuracy and precision.

There are many formulas but the most used are:

LOD = X + 3σ

LOQ = X + 10σ

Where X is average and σ is standard desvation

For the blanks readings the average X is 0,0105 and σ is 0,0024

Thus:

<em>LOD = 0,0177</em>

<em>LOQ = 0,0345</em>

I hope it helps!

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3 years ago
Tyrone wants to buy peanut butter that does not contain any hydrogenated oils. What should Tyrone be concerned about?
Airida [17]
There are things that should be concerned about eating peanut butter.  One would be the toxic fungus found within the peanut. Non-organic peanuts and peanut butters are also contaminated with pesticides.Peanuts also contain another natural substance called oxalates which can be toxic to the body.
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3 years ago
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Classify each of the following reactions as either exothermic or endothermic: 2H,O(l) + heat → 2H₂(g) + O₂(g)​
Murljashka [212]

Answer:

endothermic

Explanation:

It is endothermic since it absorbs heat.  If the reaction RELEASED heat (exothermic) the "+ heat" would be on the right side of the equation.

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. What is the mass of 23.56 moles of Glucose<br> ples of Glucose - C6H1206?
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8 0
3 years ago
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