Answer:
robbery
Explanation:
The elements of robbery are 1) the felonious taking of personal property, 2) from the person or immediate presence of another, 3) against the will of the victim, and 4) accomplished by means of force or by putting the victim in fear.
Action of taking property by unlawfully from a person or place by force or threat of force is called robbery and all above condition satisfies the term robbery hence robbery is correct match.
B- The electrons spend more time around the oxygen atom because oxygen is more electronegative than hydrogen.
C- There is a partial positive charge on each hydrogen atom and two partial negative charges on the oxygen atom in a water molecule.
D- Attractions form between opposite partial charges.
Answer:- Water is an electronegative molecule.
Explanation:
A molecule cannot be electronegative. Rather the atoms in a molecule may be electronegative. This first statement does not account for the hydrogen bonding in water at all because it is incorrect. However, the other statements in the question sheds more light on the nature of hydrogen bonding in water molecule.
Options B, C, and D are correct explanations for why water molecules form hydrogen bonds.
The correct option that does not help to explain why water molecules form hydrogen bonds is A- Water is an electronegative molecule. Hydrogen bonds form between a hydrogen atom in one water molecule and an electronegative atom, such as oxygen or nitrogen, in another water molecule. This attraction occurs because the electronegative atom pulls the shared electrons closer to itself, creating a partial positive charge on the hydrogen atom. The presence of partial positive and negative charges on the molecule is crucial for hydrogen bond formation. Therefore, options B, C, and D all contribute to explaining why water molecules form hydrogen bonds.
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b. The valence electrons stay in a single orbital.
c. The valence electrons break free of the crystals.
d. The valence electrons move closer to the nuclei.
Answer: THE answer is A
Explanation: took the exam
The negative log of hydrogen or hydronium ions concentration gives the pH of the solution. The concentration of hydronium is more than the hydroxide ions.
The pH of the solution is the concentration of the hydrogen or the hydronium ion in the aqueous solution, whereas the concentration of the hydroxide ion in the solution gives the pOH.
Let the pH of the tea = 5 then,
The concentration of hydronium ion is calculated as:
The concentration of hydroxide ion is calculated as:
Calculating further:
Therefore, the concentration of the hydronium ion is much higher than that of the hydroxide ion.
Learn more about pH and pOH here:
Answer
Explanation:
Acid and base have different characteristic which identify either it is acid or base.
1. Substance A is tested and found to have a pH of 3.
This option is for acid because acid have pH in the range of 0-6
2. Substance B, a common food, tastes sour?
This option is also for acid because acid have sour taste.
3. Substance C causes metals to corrode.
This option is also for acid because acid can cause corrosion
4. Substance D feels slippery in solution
This option is not for acid but it is for base because bases have the properties of slippery.
H2SO4
HNO3
NaOH
Any substance that tastes unpleasant in water solution, turns blue litmus paper red, reacts with some metals to release hydrogen, combines with bases to create salts, and stimulates chemical processes is considered an acid. Here among the given options, NaOH is a base. The correct option is D.
Any hydrogen-containing material that has the ability to donate a proton (hydrogen ion) to another chemical is considered an acid. A base is a molecule or ion that can take up an acid's hydrogen ion. Typically, sour tastes help to identify acidic chemicals.
An acid is not NaOH. It is categorized as a base, more specifically a strong base, because it can receive protons from any proton donor and completely dissociates into sodium and hydroxide ions in an aqueous form.
Thus the correct option is D.
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