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guajiro [1.7K]
3 years ago
15

Jose’s lab partner gives him a solution of sodium phosphate that is buffered to a ph 4. Because of an error that he made while c

alibrating the ph meter, Jose’s measurements of the ph of the sodium phosphate solution are 5.4,5.4, and 5.4
Which statement best describes his results
A they are accurate but not precise
B they are precise but not accurate
C they are both precise and accurate
D they are neither precise or accurate
Chemistry
2 answers:
Norma-Jean [14]3 years ago
5 0
The answer is A. I did the quiz and got it right.
vladimir2022 [97]3 years ago
3 0

Answer:

B. They are precise but not accurate.

Explanation:

I got it right on edge 2020

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o-na [289]

Answer :

Explanation :

The aluminium and fluorine react to give ionic compound aluminium fluoride.

Aluminium has 1 valence electrons in their shell and fluorine has 7 valence electrons in their shell.

For the complete octet, both aluminium and fluorine exchange valence electrons to form an ionic compound.

The aluminium donates its three valence electrons to three fluorine atoms and they form one Al^{3+} and three F^- ions.

Electron transfer image is shown below.

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Soloha48 [4]

3-pentanone to form 3-pentanol

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3 years ago
Answer all questions please and be quick, it’s very URGENT<br><br> U will get BRAINLY
HACTEHA [7]

Explanation:

Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. ... Electric charge is carried by subatomic particles. In ordinary matter, negativecharge is carried by electrons, and positive charge is carried by the protons in the nuclei of atoms.

Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. There are two types of electric charge: positive and negative (commonly carried by protons and electrons respectively). Like charges repel and unlike attract. An object with an absence of net charge is referred to as neutral. Early knowledge of how charged substances interact is now called classical electrodynamics, and is still accurate for problems that do not require consideration of quantum effects.

3 0
3 years ago
Which of the following is an inorganic compound?<br> AgNO3<br> C6H12<br> СНОН<br> C₂H7N
Lemur [1.5K]

Answer:

AgNO3

Explanation:

Silver nitrate (AgNO3) is an inorganic compound. Organic compounds usually have 1+ C.

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g Which ONE of the following pure substances will exhibit hydrogen bonding? A) methyl fluoride, FCH3 B) dimethyl ether, CH3C–O–C
luda_lava [24]

Answer:

C) formaldehyde, H2C=O.

Explanation:

Hello,

In this case, given that the hydrogen bondings are known as partial intermolecular interactions between a lone pair on an electron rich donor atom, particularly oxygen, and the antibonding molecular orbital of a bond between hydrogen and a more electronegative atom or group. Thus, among the options, C) formaldehyde, H2C=O, will exhibit hydrogen bonding since the lone pair of electrons of the oxygen at the carbonyl group, are able to interact with hydrogen (in the form of water).

Best regards.

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3 years ago
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