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Feliz [49]
3 years ago
10

Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. Precision pertains

to all of the following except a. reproducibility of measurements. b. agreement among numerical values. c. sameness of measurements. d. closeness of a measurement to an accepted value.
Chemistry
2 answers:
Eduardwww [97]3 years ago
6 0
D.) closeness of a measurement to an accepted value
That is accuracy not precision.
malfutka [58]3 years ago
4 0

Answer:

closeness of a measurement to an accepted value.

Explanation:

Precision is when we are performing an experiment and taking multiple readings at the same time and we are getting the values close to each other or same. The experiment will be called as precised.

But if we are getting values of our experiment close to actual value or similar to actual value then the experiment will be accurate.

Thus reproducibility of measurements, agreement among numerical values and sameness of measurements are same and are associated with precision.

While closeness of a measurement to an accepted value pertains to accuracy.

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kondor19780726 [428]

Answer: A closed system, because energy can enter or leave the container, but the water molecules cannot

Explanation:

Open system: In this system energy and matter both have access to their surroundings beyond the boundaries of system. .

Closed system :In this type system only energy has an access to its surroundings beyond the boundaries of system but not matter.

Isolated system:In this type system exchange of both energy and matter are restricted to move outside the boundaries of system.

According to question, the system given is a closed system because energy is transferred from the burner to glass flask and from the glass flask to the water (matter). But water molecules are only getting condensed on the inside surface of the flask that is exchange of matter beyond the boundaries of the system is restricted. Hence, closed system ,A closed system, because energy can enter or leave the container, but the water molecules cannot.

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3 years ago
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Dominik [7]
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3 years ago
Which kind of investigations allow for the control of variables?
Butoxors [25]

Answer:

the answer to this is O hypothesis

5 0
3 years ago
What does visible light include?
Hoochie [10]
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4 0
3 years ago
Suppose you were preparing 1.0 L of a bleaching solution in a volumetric flask, and it calls for 0.21 mol of NaOCl. If all you h
yulyashka [42]

Answer:

0.256 L  

Explanation:

We should use the following formula:

concentration (1) × volume (1) =  concentration (2) × volume (2)

concentration (1) = 0.82 M NaOCl

volume (1) = ?

concentration (2) = 0.21 M NaOCl

volume (2) = 1 L

volume (1) = [concentration (2) × volume (2)] / concentration (1)

volume (1) = [0.21 / 1] / 0.82 = 0.256 L

3 0
3 years ago
Read 2 more answers
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