Answers
♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫
➷ 1) Enzyme A
[This is because a pH below 7 is acidic and the optimum pH is 1 for this enzyme]
2) Enzyme C
[pH 7 is neutral]
3) Enzyme D
[A pH above 7 is 'basic']
4) Enzyme B
[It is still below 7 but it is closer to neutral so it is just 'acidic']
✽
➶ Hope This Helps You!
➶ Good Luck (:
➶ Have A Great Day ^-^
↬ ʜᴀɴɴᴀʜ ♡
1st one is A
2nd one is C
3rd one is D
4th one is B
(Brainliest plz)
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Answers
Given Mass of pure silver (Ag) = 265 mg
Silver chloride AgCl which is used in plating silver contains 75.27 % Ag
This means that:
A 100 mg of silver chloride contains 75.27 mg of silver
Therefore, the amount of silver chloride required to plate a sample containing 265 mg silver would correspond to:
265 mg Ag * 100 mg AgCl/75.27 mg Ag
= 352.1 mg AgCl
Answer:
0.35215 grams of silver chloride required to plate 265 mg of pure silver.
Explanation:
Mass of silver = 265 mg = 0.265 g
Moles of silver =
According to reaction, 2 moles of silver are obtained from 2 moles of silver chloride.
Then 0.002454 moles of silver will be obtained from :
of silver chloride
Mass of 0.002454 moles of silver chloride:
= 0.002454 mol × 143.5 g/mol = 0.35215 g
0.35215 grams of silver chloride required to plate 265 mg of pure silver.
Answers
Answer:
D. CH₃CH₂C(CH₃)₂C≡CCH(CH₃)₂
Explanation:
You start numbering from the end closest to the triple bond (on the right). The triple bond is between C3 and C4, and there is one methyl group on C3 and two on C5.
A. CH₃CH₂CH(CH₃)C≡CCH₂CH(CH₃)₂ is wrong. The longest chain has eight C atoms, so the compound is an octyne.
B. CH₃CH₂CH(CH₃)C≡CC(CH₃)₃ is wrong. This is a molecule of 2,2,5-trimethylhept-3-yne.
C. (CH₃CH₂)₂C≡CCH₂CH₃ is wrong. This is a molecule of 6-ethyl-5-methylhept-3-yne.
E. CH₃CH₂CH₂CH(CH₃)C≡CC(CH₃)₃ is wrong. The longest chain has eight C atoms, so the compound is an octyne.
Answers
Answer:
Covalent bond or common bond is one of the types of chemical bonds. This connection arises from electronic participation. In fact, atoms that need to receive electrons to achieve stable electron arrangement (noble gas electron arrangement or octagonal arrangement) share electrons in their valence layer with other atoms. In this case, the transfer of electrons from one atom to another does not take place, but only a pair of electrons, called a bonded or shared electron pair, belongs to the nucleus of two atoms.
Answers
The stability of an atom is affected by the balance between the electrons, protons, and neutrons in an atom.
What are sub-atomic particles?
A particle less than an atom is referred to as a subatomic particle. A subatomic particle can either be an elementary particle, which is not made of other particles, or a composite particle, which is composed of other particles, according to the Standard Model of particle physics.
Particles smaller than an atom are referred to as subatomic particles. The three primary subatomic particles present in an atom are protons, neutrons, and electrons.
Learn more about sub-atomic particles at: brainly.com/question/16847839
#SPJ6
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The rule used for the determination of the protons, electrons, and neutrons has been the equal number of protons and electrons, while the number of the neutrons has been the difference in the atomic mass and the protons.
The atom has been the smallest particle that has comprised of electrons, protons, and neutrons as the subatomic particle. The neutrons and protons in the atoms have consisted within the nucleus. The electrons in the atom are revolving around the nucleus.
The atoms have been consisted of an equal number of protons and electrons, while the number of neutrons has been the difference in the atomic mass and the protons.
The ions have been formed with the loss or gain of the electrons by the atom in the terms of valence electrons to complete its octet.
For more information about the electrons and protons, refer to the link:
Answer:
Explanation:
This question appears incomplete, however
The number of protons of an element/atom (atomic number) can be determined by checking for the position of the element on the periodic table. This is because elements are arranged according to there atomic number on the periodic table.
The number of electrons of any element (of a neutral atom) is equal to the number of protons of the same element.
The number of neutrons of an element/atom is determined by subtracting the atomic number of the element from it's mass number. Hence, mass number is the addition of the atomic number and the number of neutrons.
Ions are charged particles that have the same number of protons and neutrons as there parent atoms. Hence, they have different number of electrons when compared to there specific parent/neutral atom.
A negatively charged atom has more electrons than it's original atom. For example, fluoride ion (F⁻) has 10 electrons while fluorine atom has 9 electrons (meaning fluoride ion has one more electron than it's parent fluorine). The increase is dependent on the number "attached" to the charge. A positively charged atom has less electrons than it's original atom. For example, calcium ion (Ca²⁺) has 18 electrons while calcium atom has 20 electrons (meaning the calcium ion has 2 electrons less than it's parent calcium atom). As said earlier, the decrease here is also dependent on the number "attached" to the charge.
Answers
Answer:
FCC.
Explanation:
Hello,
In this case, since the density is defined as:
Whereas n accounts for the number of atoms per units cell (2 for BCC and 4 for FCC), M the atomic mass of the element, Vc the volume of the cell and NA the Avogadro's number. Thus, for both BCC and FCC, the volume of the cell is:
Hence, we compute the density for each crystal structure:
Therefore, since the density computed as a FCC crystal structure matches with the actual density, we conclude rhodium has a FCC crystal structure.
Regards.