Which compound is most likely to have a sweet smell? which compound is most likely to have a sweet smell? ch3−ch2−nh2 o∥ch3−c−o−ch3 ch3−ch2−o−ch3 ch3−ch2−ch2−oh?

Final answer:

An oxidation reaction requires the presence of an oxidizing agent.

Explanation:

Oxidation reaction are part of a larger set of reactions known as oxidation-reduction reactions, which involve the transfer of electrons. The term 'oxidation' itself originally referred to reactions involving molecular oxygen a key factor in these processes. However, the concept has broadened over time to cover any reaction where there is a loss of electrons, leading to an increase in the oxidation state of an element.

For example, compounds of elements in high oxidation states tend to act as oxidants and become reduced in chemical reactions. Every oxidation must be accompanied by a reduction. In chemical terms, the reducing agent is the species being oxidized because it loses electrons, whereas the oxidizing agent is the species being reduced, as it gains those electrons.

Final answer:

The molarity of the sulfuric acid solution is calculated by first determining the moles of NaOH used in the titration, then finding the corresponding moles of H2SO4 using the 1:2 mole ratio from the balanced equation, and finally, dividing the moles of H2SO4 by its volume in liters.

Explanation:

To calculate the molarity of the sulfuric acid solution, we need to follow these steps:

Write down the balanced chemical equation for the reaction: H2SO4 (aq) + 2NaOH (aq) → Na2SO4 (aq) + 2H2O (l).

Calculate the moles of NaOH used in the titration. Since the molarity of NaOH is given as 0.08964 M and the volume used is 27.86 mL, the moles of NaOH is (0.08964 M)(0.02786 L) = 0.002496 moles.

From the balanced equation it's evident that the mole ratio of H2SO4 to NaOH is 1:2, thus the moles of H2SO4 will be half the moles of NaOH, which is 0.002496 / 2 = 0.001248 moles.

Finally, divide the moles of H2SO4 by the volume of the sulfuric acid solution in liters to get the molarity of the solution. Therefore, molarity = 0.001248 moles / 0.03453 L = 0.03612 M.

Answer:

Cellular respiration

Explanation:

Oxygen is required by the cell in the Krebs cycle as the ultimate proton acceptor (creating water an end product during making out ATPs). During the conversion of pyruvate from glycolysis to Acetyl-CoA that enters the Krebs cycle, the pyruvate is decarboxylated (or oxidized) hence creating carbon IV oxide as a byproduct.

Answer:

The answers are in the explanation.

Explanation:

Analyze the form of H2O: The water molecule is composed of an oxygen atom, linked to two hydrogen atoms. The oxygen atom shares one pair of electrons with each hydrogen atom, leaving two pairs of free electrons in the oxygen without sharing.

What is the shape of the H2O molecule? The pairs of unshared electrons exert a repulsion, so the molecule acquires the angular shape.

Is it symmetrical? The H2O molecule is asymmetric due to free electron pairs.

Does this mean that the H2O molecule is polar or non-polar? Does this mean that the molecule is polar, as the uneven distribution of electrons gives it a slightly negative charge near the oxygen atom and a slightly positive charge near the hydrogen atoms.

Have a nice day!

The H2O molecule looks like a bent or V-shaped. This is made up of two hydrogen atoms connected to a middle oxygen atom.

The H2O molecule is not symmetrical due to the lone pairs on the central oxygen atom.

The H2O molecule is polar due to the bent shape and unequal distribution of electron density.

This arrangement makes the molecule have a curved shape. The H-O-H bond is polar because the oxygen and hydrogen have different attraction strengths.

However, the bent shape of the molecule creates an overall polarity. In water (H2O), the oxygen atom has a stronger pull on the shared electrons compared to the hydrogen atoms. This makes the oxygen atom attract the electrons closer to itself. As a result, one end of the molecule has a little bit more negative charge, while the other ends have a little bit more positive charges.

Read more about  H2O  here:

https://brainly.com/question/1313076

#SPJ6

Answer:

5.Lithium sulfate:[tex]LiSO_4[/tex]

Explanation:

We  have to find the formula which is incorrect for the name given

1.Calcium nitrate :[tex]Ca(NO_3)_2[/tex]

We know that Charge on calcium ion =+2

Charge on nitrate ion=-1

Therefore, the formula of calcium nitrate is [tex]Ca(NO_3)_2[/tex].

Hence, it is true.

2.Ammonium cyanide:[tex]NH_4CN[/tex]

Charge on ammonium ion=+1

Charge on cyanide ion=-1

Therefore, the formula of ammonium cyanide is [tex]NH_4CN[/tex].

Hence, it is true.

3.Strontium carbonate :[tex]SrCO_3[/tex]

Charge on strontium ion=+2

Charge on carbonate ion=-2

Therefore, the formula of strontium carbonate is [tex]SrCO_3[/tex].

Hence, option  is true.

4.Potassium acetate:[tex]KC_2H_3O_2[/tex]

Charge on potassium ion=+1

Charge on acetate ion=-1

Therefore , the formula of potassium acetate is [tex]KC_2H_3O_2[/tex].

Hence, option is true.

5.Lithium sulfate:[tex]LiSO_4[/tex]

Charge on  lithium ion=+1

Charge on sulfate ion=-2

Therefore, the formula of lithium sulfate is [tex]Li_2SO_4[/tex].

But given formula is [tex]LiSO_4[/tex].

Hence, option is false.

Answer: CO₂ will be formed, with the consequent fizzing effect.

Explanation:

1) Look at the chemical reaction that happens between magnesiumm carbonate and vinegard

MgCO₃(aq) + CH₃COOH(l) → CO₂ (g) + MgCOOH(aq) (it is not balance as it is only to show the products formed not to make calculations).

2) Then you see that CO₂ is evolving in the form of gas. That will cause the formation of bubbles (fizzing).

Dolomite is an anhydrous magnesium carbonate mineral that reacts with acetic acid (vinegar) to produce fizzing because of the carbon dioxide gas produced.

Effervescence is a fizz or release of bubbles of gases when it reacts with another substance. Carbon dioxide is released with a fizzing effect.

The reaction between dolomite and vinegar is shown as:

[tex]\rm MgCO_{3}(aq) + 2 CH_{3}COOH(l) \rightarrow CO_{2} (g) + H_{2}O + Mg(CH_{3}COO)_{2}[/tex]

From the reaction, it can be said that the release of carbon dioxide results in effervescence or fizz.

Therefore, a drop of acetic acid on dolomite results in effervescence.

Learn more about effervescence here:

https://brainly.com/question/27158521

#SPJ3

The electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁵ represents the element Chromium (Cr), a transition metal with a notably stable half-filled 3d subshell. Chromium can undergo hybridization and is capable of forming complex ions, including the ability to form up to six bonds in certain complexes. Option A is correct .

The electron configuration given is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁵ which corresponds to the element Chromium (Cr). Chromium tends to have exceptions to predicted electron configurations due to enhanced stability associated with half-filled or completely filled subshells.

The presence of a half-filled 3d subshell alongside a singly occupied 4s orbital is more stable than expected configurations. As for bonding properties, Chromium is a transition metal known for its ability to exhibit variable oxidation states and form complex ions, primarily through its valence electrons in the 3d and 4s orbitals.

When forming bonds, it is common for transition metals like Chromium to undergo hybridization, combining their s, p, and d orbitals to form new hybrid orbitals that can result in different geometries and bonding capabilities.

For instance, the hybridization can result in d²sp³ hybrid orbitals, which can form octahedral complexes with ligands. In the case of Chromium (III), which has an electron configuration of 3d³ after losing its 4s electron and two 3d electrons, it can form up to six bonds, as seen in complexes such as the octahedral hexaamminechromium (III) cation.

Answer:

0.028 moles

Explanation:

you'll never delete me !!

The nitrogen atom in an ammonia molecule has one lone pair of electrons.

The nitrogen atom in an ammonia molecule (NH₃) has five valence electrons. According to its Lewis structure, nitrogen forms three covalent bonds with three hydrogen atoms. Each hydrogen atom donates one electron, filling its valence shell.

Nitrogen uses three of its five valence electrons in these bonds, resulting in three bonding pairs shared between nitrogen and hydrogen. The remaining two valence electrons on the nitrogen atom do not participate in bonding and are thus termed an unshared pair or a lone pair.

Therefore, the nitrogen atom in ammonia possesses one lone pair of electrons.

Bromine (Br) is in the same halogen family as chlorine (Cl) and fluorine (F) because they share similar chemical properties and have the same number of valence electrons. Option A is correct .

The element that is in the same 'family' as chlorine (Cl) and fluorine (F) is bromine (Br). These elements are part of the halogen family in the periodic table. Halogens are found in Group 17, and they share similar chemical properties, such as high reactivity and the tendency to form salts with metals.

For clarification, elements in the same group or family have the same number of valence electrons, which contributes to their similar chemical behavior. Bromine, like chlorine and fluorine, has seven valence electrons and forms similar types of compounds.

Oxygen (O), hydrogen (H), and lithium (Li) belong to different families: oxygen is a chalcogen, hydrogen is often placed in its own group due to its unique properties, and lithium is an alkali metal. Option A is correct .

According to Avogadro's Law, which assumes temperature and pressure to be constant, the volume of gas is directly proportional to the number of moles of gas. So, if the number of moles is doubled from an initial volume of 2.10L, the final volume will be 4.20L.

The initial query asked: If the number of moles of a gas initially contained in a 2.10L vessel is doubled, what is the final volume of the gas in liters? The answer lies within Avogadro's Law which states that there is a direct relationship between the amount of gas (in moles) and its volume, assuming that temperature and pressure are held constant. Therefore, if you double the moles of gas, you should also double the volume. Hence, if we double the initial 2.10L, we will end up with a final volume of 4.20L.

https://brainly.com/question/4133756

#SPJ12

The correct answer would be Arteries

Ernest Rutherford was the first scientist to propose that the atom had a dense nucleus that occupied only a small fraction of the volume of the atom.

There are some models that are used to explain the arrangements of subatomic particles inside the atom based on the atomic theory of atoms known as the atomic models.

There are many types of atomic models proposed in past based on their individual assumptions and the experimentations

Rutherford's discovery demonstrated that the majority of an atom is essentially blank space and that the center only takes up a very small portion of the entire atom, which had an impact on Thomson's commonly accepted atomic model. 

Thus, Ernest Rutherford was the first scientist to propose that the atom had a dense nucleus that occupied only a small fraction of the volume of the atom.

Learn more about the atomic models here,

brainly.com/question/9145431

#SPJ2

Answer:

C₄H₈O₂

Explanation:

Answer: ions

Explanation:

Monoprotic acids contain one ionizable hydrogen atom, while triprotic acids contain three ionizable hydrogen atoms. Triprotic acids, like phosphoric acid, generate hydrogen ions through stepwise ionization reactions.

A monoprotic acid is an acid that contains only one ionizable hydrogen. Examples of monoprotic acids include hydrochloric acid (HCl) and acetic acid (CH3COOH). On the other hand, a triprotic acid is an acid that contains three ionizable hydrogens. An example of a triprotic acid is phosphoric acid (H3PO4).

When a triprotic acid like phosphoric acid dissociates, it releases hydrogen ions (H+) in a stepwise manner. The acid goes through a series of ionization reactions, each removing one proton. For example, phosphoric acid first donates one hydrogen ion (H+) to form dihydrogen phosphate ion (H2PO4-), then donates a second hydrogen ion to form hydrogen phosphate ion (HPO42-), and finally donates the third hydrogen ion to form phosphate ion (PO43-).

Crushing and heating a rock containing uranium-238 does not change its half-life, which remains 4.5 billion years.

The half-life of a radioactive isotope like uranium-238 is the time it takes for half of its atoms to decay into another element.

To summarize, the process of crushing and heating the rock does not alter the radioactive decay process or the half-life of uranium-238, which will remain constant at 4.5 billion years.

Answer:

Hydrogen

Methane

Ammonia

Fluorine

Explanation:

Edge 2023