One molecule of glucose can release a total of _____ molecules of atp during its breakdown.

Answer:

......

Explanation:

The total equation is C2H4 + C2H5 + H2 → C2H5 + C2H6 when these equations are combined together.

By placing all of the reactants on the left side of the equation and all of the products on the right side, you can integrate numerous reactions into a single equation. Chemical species that are present on both sides of the equation will be eliminated without change if the overall equation is simplified.

Only chemical compounds with numerous bonds—such as molecules with carbon-carbon double bonds (alkenes), carbon-carbon triple bonds (alkynes), or molecules with carbonyl (C=O) groups—can conduct addition reactions. Consider the formula CH2=CH2 + Cl2 CH2Cl → CH2Cl.

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Answer:

Calcium and magnesium sulphide react to form calcium sulphide and magnesium metal.

Explanation:

Ca + MgS → CaS + Mg

The reaction between calcium and magnesium sulfide produces calcium sulfide and magnesium metal. The balanced equation can be given as Ca + MgS → CaS + Mg.

An equation for just a chemical reaction is said to be balanced if both the reactants as well as the products have the same number of atoms and total charge for each component of the reaction. In other words, both side of the reaction have an equal balance of mass and charge.

Conservation of charge as well as mass, equation and reaction balance, etc. The components and outcomes of a chemical reaction are listed in an imbalanced chemical equation, but the amounts necessary to meet the conservation of mass are not specified. The reaction between calcium and magnesium sulfide produces calcium sulfide and magnesium metal. The balanced equation can be given as Ca + MgS → CaS + Mg.

Therefore, the balanced equation can be given as Ca + MgS → CaS + Mg.

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Answer:

Do you have any options, it will narrow down and we can give you the  answer alot faster

Explanation:

Relation between Boiling Point and Pressure is the system pressure is directly proportional to boiling point, If the system pressure is higher, more energy will be needed to create vapor pressure equal to the pressure.

The  boiling point can be defined as the temperature at which the vapor pressure of a liquid is equal to the external pressure, where as another term called Melting point in which the solid will start melting to become a liquid at a given temperature.

On the other hand the freezing point is the temperature at which a liquid is converted into solid occur.

In Boiling point  the liquid substance enters into the gaseous phase, if the external pressure is high, which can lead to increase the temperature for the vapor pressure to become equal to the external pressure.

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The chemical formula Mn₂(CO₃)₃ represents a compound composed of manganese (Mn) and carbonate (CO₃) ions and contains 2 manganese atoms, 9 carbon atoms, and 9 oxygen atoms.

To determine the number of atoms of each element in the compound, we need to break down the formula and analyze the subscripts.

Breaking down the formula

- Mn₂ indicates that there are two manganese atoms in the compound.

- (CO₃)₃ indicates that there are three carbonate ions in the compound. Each carbonate ion consists of one carbon atom (C) and three oxygen atoms (O).

Analyzing the carbonate ion

Since there are three carbonate ions in the compound, we need to multiply the number of atoms in each ion by three:

- There are three carbon atoms (C) in each carbonate ion, so in total, there are 3 x 3 = 9 carbon atoms.

- There are three oxygen atoms (O) in each carbonate ion, so in total, there are 3 x 3 = 9 oxygen atoms.

Summing up the atoms

- Manganese (Mn): 2 atoms

- Carbon (C): 9 atoms

- Oxygen (O): 9 atoms

Therefore, the compound Mn₂(CO₃)₃ contains 2 manganese atoms, 9 carbon atoms, and 9 oxygen atoms.

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The proteins which are embedded to the membrane are called integral membrane protein and peripheral membrane protein . in this way proteins embedded to the membrane differs from soluble proteins .

proteins which are embedded in the membrane are called integral membrane proteins .it can be divided into integral polytopic proteins and integral monotopic proteins .

The three dimensional structure of IMPs can be determined by x-ray crystallography .

proteins which are attached to the surface of the membrane are called peripheral membrane proteins .

These are attached to the integral membrane proteins or penetrate the peripheral region of lipid bilayer .

These are able to diffuse in three dimensions  through water .Solubility is the main characteristics of proteins . high solubility proteins lead to the formation of finely dispersed colloidal system .

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Answer:

K is a group 1 element while Ne is a group 0 element

K is a good reducing agent while Ne is inert

K is metal while Ne is a gas

K has one valence electron while Ne has no valence electron

Explanation:

Answer: 1.215 × 10^4  i think

Explanation:

Answer:

Explanation:Table salt is sodium chloride and has the chemical formula of NaCl. What is the ratio of sodium atoms to chlorine atoms? (8.5D)

Answer

А 2:1

B

1:1

С

1:2

D

3:1

Answer:

This is due to the very slow wobble of the axis of Earth. Which change is most likely to occur because of the movement of the axis? Winter and summer months will reverse

Explanation:

hope its help you

Answer:

Oxygen is the limiting reactant.

Explanation:

Hello,

In this case, given the reaction:

\(C_2H_6O(g) + 3O_2(g)\rightarrow 2CO_2(g) + 3H_2O(g)\)

Hence, given the masses of both ethanol and oxygen, we are able to compute the available moles ethanol by:

\(n_{C_2H_6O}^{available}=0.461g*\frac{1mol}{46g}=0.01mol C_2H_6O\)

Next, we compute the moles of ethanol that react with the 0.640 grams of oxygen considering their 1:3 molar ratio in the chemical reaction:

\(n_{C_2H_6O}^{consumed\ by\ O_2}=0.64gO_2*\frac{1molO_2}{32gO_2}*\frac{1molC_2H_6O}{3molO_2} =0.0067molC_2H_6O\)

In such a way, since there are 0.01 available moles of ethanol but just 0.0067 moles are reacting, we evidence ethanol is in excess, therefore the oxygen is the limiting reactant.

Best regards.

Answer:

Oxygen O₂ will be the limiting reagent.

Explanation:

C₂H₆O(g) + 3 O₂(g) ⇒ 2 CO₂(g) + 3 H₂O(g)

First of all you must know by stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction) how much mass of each compound reacts. First of all, being:

the molar mass of each reagent is:

Then, since 1 mol of C₂H₆O and 3 moles of O₂ react by stoichiometry, the amount of mass that reacts is:

Now you apply a rule of three as follows: if 46 g of C₂H₆O reacts with 96 g of O₂ by stoichiometry, 0.461 g of C₂H₆O with how much mass of O₂ will they react?

\(mass of O_{2} =\frac{0.461 grams of C_{2}H_{6} O*96 grams ofO_{2} }{46 grams of C_{2}H_{6} O}\)

mass of O₂= 0.962 grams

But 0.962 grams of O₂ are not available, 0.640 grams are available. Since you have less mass than you need to react with 0.461 g of C₂H₆O, oxygen O₂ will be the limiting reagent.

The experimental value for the standard enthalpy of formation of magnesium oxide can deviate from the known value due to several sources of error. One potential source of error is incomplete combustion of magnesium during the experimental procedure, leading to a lower amount of energy being released.

Another possible source of error is heat loss to the surroundings, which can reduce the measured enthalpy change. Additionally, the purity of the reactants used in the experiment can affect the accuracy of the result, as impurities can interfere with the reaction and lead to inconsistent measurements. Any errors in the calibration of the equipment used to measure the enthalpy change can also contribute to deviations from the known value. Therefore, it is important to carefully control experimental conditions and minimize sources of error in order to obtain accurate values for the enthalpy of formation.
The known standard enthalpy of formation for magnesium oxide is -601.24 kJ/mol. Potential sources of error that could cause the experimental value to deviate from the known value include:

1. Measurement errors: Inaccurate readings from instruments, such as balances or calorimeters, can lead to incorrect calculations of the enthalpy change.

2. Incomplete reaction: If the magnesium does not fully react with oxygen to form magnesium oxide, the calculated enthalpy change will be lower than the true value.

3. Heat loss: Heat may escape from the reaction system, causing an underestimation of the enthalpy change. Proper insulation and minimizing heat transfer to the surroundings can help mitigate this issue.

4. Impurities: The presence of impurities in the magnesium sample or oxygen source can affect the enthalpy change. Using high-purity materials can minimize this error.

5. Human errors: Mistakes in experimental setup, procedure, or data recording can lead to deviations in the enthalpy value. Careful attention to detail and following established protocols can reduce such errors.

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Moles are the quantity of a substance that is found in the atom or the molecules. 0.85 moles of zinc iodide will be produced from the reaction between hydroiodic acid and zinc bromide.

What is the mole in chemistry?

The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12; its symbol is “mol”.

The balanced reaction is  -

2HI + ZnBr2 → 2HBr + ZnI2.

Moles of hydroiodic acid = 1.7 moles

Moles of zinc bromide = 3.43 moles

From the reaction, it can be said that 2 moles of hydroiodic acid need 1 mole of zinc bromide.

So, the moles of zinc bromide that will react in the reaction are:

1.7/2 = 0.85 moles

Hence, hydroiodic acid is a limiting reactant, and zinc bromide will remain in the reaction as it is an excess reagent.

Moles of zinc iodide is calculated from the limiting reagent:

1.7/2 = 0.85 moles

Therefore, 0.85 moles of zinc iodide are formed.

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The compound is named 2,3-dibromo-2,4-hexadienedioic acid, which consists of a six-membered ring with alternating single and double bonds.

The line-angle formula describes a six-membered ring with alternating single and double bonds. To name the compound, we need to consider the functional groups and substituents present.

The carboxylic acid group, -COOH, is attached to the first vertex of the ring. This group is named as "hexanedioic acid" because it contains six carbon atoms in a linear chain. The prefix "hexa-" indicates the presence of six carbons, and the suffix "-dioic acid" denotes the presence of two carboxylic acid groups.

The bromine atom, represented by "Br," is attached to the third vertex in a clockwise direction. Since there are two bromine atoms present, the prefix "di-" is used. Thus, the compound is named "dibromo-hexanedioic acid."

To specify the positions of the bromine atoms, we start numbering the ring from the vertex where the carboxylic acid group is attached, which is the first vertex. Moving clockwise, the second vertex has a double bond, the third vertex has a bromine atom, and the fourth vertex has a double bond. Therefore, the compound is named as "2,3-dibromo-2,4-hexadienedioic acid." The numbers indicate the positions of the substituents in the ring.

In summary, the compound is named 2,3-dibromo-2,4-hexadienedioic acid, which represents a six-membered ring with alternating single and double bonds, a carboxylic acid group attached to the first vertex, and a bromine atom attached to the third vertex in a clockwise direction.

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Answer: 89.0 nanometers

Explanation:  0.000000089 is 8.9x10^-8 m.  I don't think there is a metric prefix for 10^-8.  The term for 10^-9 is nano-  .  If we rewrite 8.9x10^-8 m as 89.ox10^-9 m,, it would be 89.0 nanometers.

The units would be best suited for a measurement of 0.000000089 meters is nanometers.

There are many units used to measure length or distance of substance are given below as.

Picometer = 10∧-12 meters

Nanometer = 10∧-9 meters

micrometer = 10∧-6 meters

milimeter = 10∧-3 meters

centimeter = 10∧-2 meters

decimeter = 10∧-1 meters

decameter = 10 meters

Kilometer = 10∧3 meters

Calculation,

0.000000089 meters = 89/10∧9 = 89 × 10∧-9 = 89 nanometers.

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Answer:

Nitrous oxide

Explanation:

Nitrous+ Oxygen (ygen becomes -ide when it is combined) = Nitrous oxide

just learnt these in school, hope this is correct

hii kiran hru my darling

In the titration of a 25.6 ml sample of a 0.397 m aqueous hydrofluoric acid solution with a 0.406 m aqueous potassium hydroxide solution, the pH at the equivalence point is 8.21.

Given volume of sample (V) = 25.6ml = 0.0256L

Concentration of  aqueous hydrofluoric acid solution (M1) = 0.397M

Concentration of  aqueous potassium hydroxide solution (M2) = 0.406M

The concentration of fluoride ions will determine the pH at the equivalency point. During the titration, the reaction is

HF + KOH --> H2O + KF.

Since it is the conjugate base of a weak acid, the F- will have an impact on the pH of the solution rather than the K+ in solution.

F- + H2O <--> HF + OH- is the reaction at the equivalence point, and the fluoride ion's molarity is 0.0256 x 0.397 = 0.010 moles of HF = moles of KOH at the equivalence point = 0.010/0.406 = 0.0246L of KOH

At the equivalence point, the F-'s molarity will be equal to =  0.010/(0.0256+0.0246) = 0.199M

Additionally, the Kb for F- is required, and its values are as follows:

Kw/Ka = 1.0 x 10-14 / (6.6 x 10-4) = 1.5 x 10-11

pOH = -log (1.8 x 10-6) = 5.79

pH = 14-5.79 = 8.21

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Answer:

B. A battery.

Explanation:

I just took the test

Answer:

Explanation:

Primary and secondary succession occur after both human and natural events that cause drastic change in the makeup of an area. Primary succession occurs in areas where there is no soil and secondary succession occurs in areas where there is soil.

In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area previously occupied by living things is disturbed—disrupted—then recolonized following the disturbance.

Hope this helped :)

-Akito

Answer:

Approximately \(0.35\; \rm W\) on average.

Explanation:

There are multiple to find power:

The question did not state the speed at which the arm of the chipmunk moves. However, the question did state the work done (\(W = 0.70\; \rm J\)) and the time required (\(t = 2\; \rm s\)).

Therefore, the equation \(P = W / t\) seem to be more suitable.

\(\begin{aligned}&P\\ &= \frac{W}{t} \\ &= \frac{0.70\; \rm J}{2\; \rm s} \approx 0.35\; \rm W\end{aligned}\).

Answer:

\(\large \boxed{\text{0.88 L}}\)

Explanation:

The temperature and amount of gas are constant, so we can use Boyle’s Law.

\(p_{1}V_{1} = p_{2}V_{2}\)

Data:

\(\begin{array}{rcrrcl}p_{1}& =& \text{1.34 atm}\qquad & V_{1} &= & \text{ 0.56 L} \\p_{2}& =& \text{0.85 atm}\qquad & V_{2} &= & ?\\\end{array}\)

Calculations:  

\(\begin{array}{rcl}\text{1.34 atm} \times \text{0.56 L} & =& \text{0.85 atm} \times V_{2}\\\text{0.750 L} & = & 0.85V_{2}\\V_{2} & = &\dfrac{0.750}{0.85}\\\\& = &\textbf{0.88 L}\\\end{array}\\\text{The balloon's new volume is $ \large \boxed{\textbf{0.88 L}}$}\)

Answer:

21. D (Food moves into the small intestine.)

22. C (Food is stored and further broken down by acid and powerful enzymes.)

23. A (Your saliva helps break down what you're eating and turn it into chemicals called enzymes.)

24. B (...Food moves through your esophagus.)

25. E (Anything left in the small intestine moves into the large intestine.)

Explanation:

Food first enters the mouth where it is chewed and broken down by salivary amylase. Then, it is swallowed, moving down the esophagus to the stomach where it is stored and further broken down by acids and enzymes. And, these broken down food molecules moves into the large intestine.

Answer:

When cells become damaged or die the body makes new cells to replace them. This process is called cell division. One cell doubles by dividing into two. Two cells become four and so on.

Explanation:

The estimated age of the rock is approximately 1.58 x 10^10 years.

To estimate the age of the rock based on the mass ratio of 208Pb to 232Th, we can use the concept of radioactive decay and the half-life of 232Th.

The ratio of 208Pb to 232Th in the rock represents the amount of 208Pb that has been formed through the radioactive decay of 232Th over time. Since one 208Pb atom is the final decay product of one 232Th atom, the mass ratio can be used to determine the fraction of 232Th that has decayed.

Given that the mass ratio of 208Pb to 232Th is 0.28/1.00, we can calculate the fraction of 232Th that has decayed as follows:

Fraction of 232Th decayed = (1 - mass ratio of 208Pb/232Th) = (1 - 0.28/1.00) = 0.72

The fraction of 232Th that has decayed corresponds to the fraction of the original amount of 232Th present in the rock. Using the concept of half-life, we can relate this fraction to the age of the rock.

Since the half-life of 232Th is 1.39 x 10^10 years, we can calculate the number of half-lives that have passed using the fraction of 232Th decayed:

Number of half-lives = log(base 0.5) (fraction of 232Th decayed)

Number of half-lives = log(base 0.5) (0.72) ≈ 1.14

The number of half-lives represents the time elapsed, and each half-life is equal to 1.39 x 10^10 years.

Therefore, the age of the rock can be estimated as:

Age of the rock = Number of half-lives x Half-life of 232Th

= 1.14 x 1.39 x 10^10 years

≈ 1.58 x 10^10 years

The estimated age of the rock is approximately 1.58 x 10^10 years.

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The citric acid cycle, where acetyl CoA is modified inside the mitochondria to produce energy precursors in preparation for the next step.

Generating ATP, the citric acid cycle, where acetyl CoA is modified inside the mitochondria to produce energy precursors in preparation for the next step. Oxidative phosphorylation, the process where the electron transport from the energy precursors from the citric acid cycle (step 3) results in to the phosphorylation of ADP, generating ATP. A biogeochemical cycle refers to the processes through which an element—or combination like water—moves between its different living or nonliving forms and places in the biosphere. The biogeochemical cycles of water, carbon dioxide, nitrogen, phosphorus, plus sulphur are crucial to living things.

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Answer:

(CH3COO)2 + redP + Cl2 → ClCH2COOH + HCl

Explanation:

This is an example of halogenation of carboxylic acids at alpha carbon atom. In this reaction, red phosphorus and chlorine are treated with carboxylic acids having alpha hydrogen atom followed by hydrolysis to form alpha chloro carboxylic acid.

Answer:

Atomic number is 30

Explanation:

An atom consist of electron, protons and neutrons. Protons and neutrons are present with in nucleus while the electrons are present out side the nucleus.

All these three subatomic particles construct an atom. A neutral atom have equal number of proton and electron. In other words we can say that negative and positive charges are equal in magnitude and cancel the each other. For example if neutral atom has 6 protons than it must have 6 electrons. The sum of neutrons and protons is the mass number of an atom it is also called nucleon number,

while the number of protons are number of electrons is the atomic number of an atom.

For example

if an element have 12 neutron and nucleon number is 42 it means the number of protons will be = nucleon number - number of neutrons

42 - 12 = 30

Thus atomic number is 30.

Answer:

30.

Explanation:

The nucleon or mass number is the total of protons and neutrons in the  nucleus.

Atomic number = nucleon number - number of neutrons in the nucleus

= 42 - 12

= 30.

Petroleum is a fossil fuel that was formed from sediments of plants and animals left over millions of years through the transformation of dead organisms that are buried under the sea and seafloors such as algae, plants, and bacteria, that experienced high temperature and pressure when trapped inside rock formations such as the sedimentary rocks.

Petroleum, also referred to as crude oil, is a naturally occurring liquid found beneath the earth’s surface which can be refined into fuel.  

Petroleum is a  fossil fuel that is created by the decomposition of organic matter over time and used as fuel to power vehicles, heating units, and machines, and can be converted into plastics.

Petroleum is mostly recovered through oil drilling and then refined and separated into different types of fuels. Petroleum contains hydrocarbons of different molecular weights. The petroleum has a property of the denser the petroleum the more difficult it is to process and the less valuable it is.

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The rate constant (k) for the given reaction is approximately 150.72 M^-2s^-1.

The rate law for the reaction is given as first order in both CH3Br and OH-. This implies that the rate of the reaction is directly proportional to the concentration of each reactant raised to the power of one.

Therefore, the rate law can be expressed as:

Rate = k[CH3Br][OH-]

Where k is the rate constant.

Now, let's use the given values to determine the rate constant:

[CH3Br] = 0.0949 M

[OH-] = 8.0 x 10^-3 M

Rate = 0.1145 M/s

Plugging these values into the rate law equation, we get:

0.1145 M/s = k * (0.0949 M) * (8.0 x 10^-3 M)

Simplifying: 0.1145 = k * 7.592 x 10^-4

Solving for k:

k = 0.1145 / (7.592 x 10^-4)

k ≈ 150.72 M^-2s^-1

Therefore, the rate constant (k) for the given reaction is approximately 150.72 M^-2s^-1.

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