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vekshin1
3 years ago
8

Pls help I’m in a test plssss

Chemistry
1 answer:
____ [38]3 years ago
5 0

Answer:

6

Explanation:

6

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A laboratory instructor gives a sample of amino-acid powder to each of four students, I, II, III, and IV, and they weigh the sam
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According to the calculation, set I is both the most accurate and most precise.

Exactness is a quality or state of being precise. 2a: comparison accuracy sense: the degree of precision with which an action is carried out or a measurement expressed 2b. The novel was fact-checked for historical authenticity. 2a: conformance to truth, to a standard, or to a model: exactness It is impossible to estimate the number of casualties with accuracy. Let's calculate the precision for the fourth set, consideringAV_I_V=8.56g

Δ1 = ∣(8.41−8.56)∣ g=0.15 g

Δ2 = (8.72−8.56) g=0.16 g

Δ3 = ∣(8.55−8.56)∣ g=0.01 g

Therefore: \triangle_I = \frac{\triangle1+\triangle2+\triangle3}{3} = 0.107g

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1 year ago
What element is represented by the following electron configuration:
Alecsey [184]
For better representation, let me rewrite the electronic configuration:

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The exponents represent the number of electrons in the designated subshell. Thus, the total number of electrons are:
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Assuming this is in neutral state, the element with an atomic number of 24 is Chromium. Thus, the answer is Cr.
6 0
3 years ago
Explain the difference between weathering and erosion.
yanalaym [24]

Answer:

So, if a rock is changed or broken but stays where it is, it is called weathering. If the pieces of weathered rock are moved away, it is called erosion.

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