Where are fusion reactions found

The law of conservation of mass states that in a chemical reaction mass is neither created nor destroyed.

Answer:

d. Two moles of carbon dioxide were produced from this reaction

Explanation:

The given chemical reaction can be written as follows;

2C₂H₂ + 5O₂ → 4CO₂ + 2H₂O

From the above chemical reaction, we have;

Two moles of C₂H₂ reacts with five moles of O₂ to produce four moles of CO₂ and two moles of H₂O

We have;

One mole of C₂H₂ will react with two and half moles of O₂ to produce two moles of CO₂ and one mole of H₂O

Therefore, in the above reaction, when one mole of C₂H₂ is used, two moles of CO₂ will be produced.

The primary organic product is a 1:1 mixture of enantiomeric ethers when cyclohexene is subjected to mercuration in methanol and the resulting mixture is reduced with sodium borohydride. The correct option is B.

Cyclohexene is a hydrocarbon with the formula C₆H₁₀ . It has no color and a pungent scent. It is a necessary element in a number of industrial processes. It is not a stable compound.

One butadiene will exist in the s trans form rather than the s-cis form because the energy of s trans is lower than that of s-cis trans.

Thus, the correct option is B) a 1:1 mixture of enantiomeric ethers.

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The question is incomplete. Your complete question is given below:

A) a meso ether.

B) a 1:1 mixture of enantiomeric ethers.

C) a meso diol.

D) a 1:1 mixture of enantiomeric diols.

E) methoxycyclohexane.

Answer:

The protons

Explanation:

The force of attraction/repulsion is indirectly proportional to the square of the distance between...the protons are much closer together and will have a stronger force.

F = k q1q2 / r^2

Answer:

The product of the synthesis reaction is CaI.

Explanation:

In chemistry, chemical equations are the representation of chemical reactions between elements, compounds, substances, or molecules.

They are written using element symbols (and sometimes including their current state of matter).

Therefore, if we wanted to show the reaction of sodium and chlorine to make sodium chloride, or table salt, we would illustrate it as such:

\(\bullet \ \text{Na + Cl} \rightarrow \text{NaCl}\)

A synthesis reaction in chemistry is the combination of two or more elements, compounds, molecules, or substances to make one compound, molecule, or substance.

The parent equation for a synthesis reaction is:

\(\bullet \ \text{A + B}\rightarrow \text{AB}\)

Therefore, we need to find out what the element symbols are for both calcium and iodine.

If we reference a periodic table, we will see that calcium is atomic number 20 and has the symbol Ca.

Additionally, when we locate iodine, we will see that it is atomic number 53 and has the atomic symbol I.

Now, we just need to create the reaction equation.

\(\text{Ca + I}\rightarrow \text{?}\)

We know that we are dealing with a synthesis reaction, or a combination, so the elements will combine to make one substance.

With this information, we can make an equation:

\(\text{Ca + I} \rightarrow \text{CaI}\)

Therefore, the product of the synthesis reaction is CaI.

Note: Please note that "I" is an uppercase i.

The temperature when the gas has a volume of 100 mL will be approximately 28.6°C.


To solve this problem, we'll use Charles's Law, which states that the volume of a gas is directly proportional to its temperature when the pressure and the amount of gas are constant. The formula for Charles's Law is V1/T1 = V2/T2, where V1 and T1 represent the initial volume and temperature, and V2 and T2 represent the final volume and temperature.
Given: V1 = 147 mL, T1 = 42°C, V2 = 100 mL. Convert the Celsius temperatures to Kelvin: T1 = 42 + 273 = 315 K.
Now, we'll solve for T2:
(147 mL / 315 K) = (100 mL / T2)
T2 = (100 mL * 315 K) / 147 mL
T2 ≈ 214.3 K
Finally, convert back to Celsius: T2 = 214.3 - 273 ≈ 28.6°C.

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Answer:

17000 joules.

Explanation:

Explanation:

With knowledge of the specific heat capacity of a substance, its mass, and the temperature change, we can convert this to the energy required for this temperature change using:

ΔH=mCΔT, where

ΔH=change in enthalpy (J)

m= mass of substance being heated (g) i.e. water in this question

C= specific heat capacity (J/g°C)

ΔT= change in temperature (°C)

We know mass=65g and ΔT=76°C−12°C=64°C

The specific heat capacity of water is 4.18J/g°C

Therefore, ΔH=65g⋅4.18Jg°C⋅64°C

=17388.8J

=17000J (2 significant figures)

Answer:

carbon because it is the main answer of these

hi <3

graphite is able to conduct electricity because it has delocalised electrons.

explanation:

carbon can bond 4 times, but in graphite it is only bonding to three other carbons, leaving one electron free to carry charge

hope this helps <33

The structural fragment that will give rise to this pattern is a -CH2- group that is flanked by two sets of protons.

The characteristic triplet-quartet pattern in the 1H NMR spectrum is typically observed when a proton is coupled to a group of three adjacent protons (a quartet) and a group of two adjacent protons (a triplet) on the same or neighboring carbon atoms. This coupling pattern is known as a "splitting pattern" and is the result of the spin-spin coupling between the neighboring protons.

The quartet arises from the coupling of the proton on the -CH2- group with the three adjacent protons on one side, and the triplet arises from the coupling of the same proton with the two adjacent protons on the other side. The coupling constants for the quartet and triplet depend on the strength of the spin-spin coupling between the protons and the relaxation time of the nuclei involved.

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There is no statement that is not true about β-sheets in the given options. Option D is correct.

β-sheets are a common structural motif in proteins, characterized by the arrangement of multiple beta strands connected by hydrogen bonds. β-strands are stretches of peptide backbone that are nearly fully extended, forming a zigzag conformation, and they can be either parallel or antiparallel.

The arrangement of β-strands and their directionality determine the overall structure and stability of the β-sheet. β-sheets are important for protein stability, function, and recognition, and they play critical roles in many biological processes.

Beta sheets are formed by the two or more beta strands connected by the hydrogen bonds, and can be arranged in either parallel or antiparallel configurations.

Hence, D. None of the above (they are all true) is the correct option.

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The given balanced equation is:

2NO + O2 → 2NO2

To find out the amount of O2 used, the amount of NO2 formed should be used.

For every 2 mol of NO2 formed, 1 mol of O2 reacts.

The molar mass of NO2 is 46 g/mol.

Moles of NO2 = 9.3 g / 46 g/mol

= 0.20 mol

NO2 and O2 react in a 2:1 molar ratio,

therefore:

Number of moles of O2 required = 0.20 mol / 2

= 0.10 mol

The molar mass of O2 is 32 g/mol.

Therefore:

Mass of O2 required = 0.10 mol × 32 g/mol

= 3.2 g

Hence, 3.2 grams of oxygen gas (O2) must have reacted according to the given equation.

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The molecular shapes in order of appearance are as follows:

Molecular geometry also known as the molecular structure, is the three-dimensional structure or arrangement of atoms in a molecule.

The shape of a molecule is determined by the location of the nuclei and its electrons.

In a linear molecule, the electron pairs take up opposite sides of the central atom, however, in a trigonal molecule, three pairs are evenly spaced around the central atom.

In a tetrahedral molecule, the four electron pairs get further away from each other by leaving the flat plane and separating in 3 dimensions.

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Answer:

The central and most important part of an object, movement, or group, forming the basis for its activity and growth.

Explanation:

hope this helps!

Answer:

atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom. definition for science.

Explanation:

important part of an object, movement, or group

Answer:

A Transverse Wave

Answer:

B. Reese's yard

Explanation:

Because Reese's yard is full of rocks, rock's don't absorb water, while Chris' yard is only soil, which will make his yard absorb water quicker.

The hydrogen bond between the amino and the carboxyl group of the amino acid is involved in creating the secondary level of structure.

Certain folding patterns can occasionally be induced by hydrogen bonds between amino and carboxyl groups in adjacent parts of the protein chain. The secondary structure of a protein is made up of these reliable folding patterns, alpha helices and beta sheets.

Multiple helices and sheets, as well as other less common patterns, are present in most proteins. The tertiary structure of a protein is the collection of arrangements and folds in a single linear chain of amino acids, also known as a polypeptide. Finally, proteins with multiple polypeptide chains or subunits are referred to as quaternary structure proteins.

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The direction of the total electric force exerted by q1 and q2 on q3 can be determined as an angle measured from the x-axis towards the y-axis.

The angle represents the orientation of the resultant force vector in the two-dimensional coordinate system. To find this angle, we can use vector addition to determine the total electric force acting on q3 due to q1 and q2.

To calculate the total electric force, we first determine the individual forces between q1 and q3, and between q2 and q3 using Coulomb's law. The force between two charged particles is given by F = k * (q1 * q2) / r^2, where k is the electrostatic constant, q1 and q2 are the magnitudes of the charges, and r is the distance between the charges. We calculate the magnitude and direction of these forces.

Next, we use vector addition to find the resultant force acting on q3. The resultant force is the vector sum of the individual forces, taking into account their magnitudes and directions. By adding these forces as vectors, we obtain the magnitude and direction of the total electric force.

Finally, to find the direction of the total electric force as an angle measured from the x-axis towards the y-axis, we use trigonometry. We can represent the resultant force vector in terms of its x and y components and then calculate the angle using the arctangent function.

In summary, to determine the direction of the total electric force exerted by q1 and q2 on q3, we calculate the individual forces, add them as vectors to find the resultant force, and then use trigonometry to determine the angle of the resultant force vector measured from the x-axis towards the y-axis.

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Answer:

1. proton

2. electrons and protons

3. protons and electrons

4. protons and neutrons

Explanation:

Explanation:

0 10 grams that that should be the answer

The first term (a₁) of the geometric sequence can be calculated as 20.

In a geometric sequence, each term is found by multiplying the previous term by a constant ratio. The formula to find the sum of the first n terms (Sn) of a geometric sequence is given by:

Sn = a₁ * (1 - rⁿ) / (1 - r)

where a₁ is the first term, r is the common ratio, and n is the number of terms.

In this case, we are given that d (common difference) is 6 and s8 (sum of the first 8 terms) is 440. To find the first term a₁, we need to manipulate the sum formula.

Using the formula for the sum of the first 8 terms, we can write:

440 = a₁ * (1 - r⁸) / (1 - r)

We are not given the common ratio directly, but we can derive it using the common difference (d). In a geometric sequence, the common ratio (r) is found by taking the dth root of 1, where d is the common difference. In this case, r = √1 = 1.

Now, substituting r = 1 in the sum formula, we have:

440 = a₁ * (1 - 1⁸) / (1 - 1)

440 = a₁ * 0 / 0

Since we have 0/0, it means the equation is indeterminate, and any value of a₁ can satisfy the equation. Therefore, there is no unique solution for the first term (a₁).

Therefore, the initial term (a₁) of the geometric sequence can be determined as 20.

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The weight of magnesium chloride required to prepare the 200 ml solution that is 5.0 M is approximately 48 grams.

To calculate the weight of magnesium chloride (\(MgCl_{2}\)) required to prepare a 200 ml solution that is 5.0 M, we need to use the formula: Weight (in grams) = Volume (in liters) × Concentration (in moles/liter) × Molecular Weight (in grams/mole)

First, we convert the volume from milliliters to liters by dividing it by 1000: Volume = 200 ml ÷ 1000 = 0.2 L. Next, we multiply the volume, concentration, and molecular weight: Weight = 0.2 L × 5.0 mol/L × 95.3 g/mol = 47.65 grams

Rounding to the nearest whole number, the weight of magnesium chloride required to prepare the 200 ml solution that is 5.0 M is approximately 48 grams.

This calculation ensures that the desired concentration is achieved by accurately measuring the appropriate amount of magnesium chloride, taking into account its molecular weight and the desired volume of the solution.

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Therefore, the maximum volume of treated sewage that should be put in the bottle is approximately 85.71 ml.

To determine the maximum volume of treated sewage that should be put in the bottle, we need to calculate the amount of dilution required to achieve the desired dissolved oxygen (DO) concentration of at least 2.0 mg/l at the end of the test.

Given:
- Initial DO concentration (DOi) = 9.0 mg/l
- Desired DO concentration (DOf) = 2.0 mg/l
- Bottle volume = 300 ml

First, we calculate the remaining DO after the test:
Remaining DO (DOr) = DOi - DOf

Remaining DO (DOr) = 9.0 mg/l - 2.0 mg/l

Remaining DO (DOr)  = 7.0 mg/l

Next, we calculate the dilution factor:
Dilution factor = Remaining DO / DOf

Dilution factor  = 7.0 mg/l / 2.0 mg/l

Dilution factor  = 3.5

The dilution factor represents how many times we need to dilute the treated sewage.

Since the volume of the bottle is 300 ml, the maximum volume of treated sewage to be put in the bottle is:
Maximum volume = Bottle volume / Dilution factor

Maximum volume = 300 ml / 3.5

Maximum volume = 85.71 ml

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The rate of effusion of CO₂ under the same conditions is approximately 6.21 mole/min. Option B.

According to Graham's law of effusion, the rate of effusion of a gas is inversely proportional to the square root of its molar mass. Therefore, we can use the ratio of molar masses to determine the rate of effusion of CO₂ (carbon dioxide) compared to NH₃ (ammonia).

The molar mass of NH₃ is approximately 17.03 g/mol, while the molar mass of CO₂ is approximately 44.01 g/mol.

Let's denote the rate of effusion of CO₂ as x mole/min. Using the ratio of molar masses, we can set up the following proportion:

(√molar mass of NH₃) / (√molar mass of CO₂) = rate of effusion of NH₃ / rate of effusion of CO₂

√17.03 / √44.01 = 2.40 mole/min / x mole/min

Solving for x, we find:

x = 2.40 mole/min * (√molar mass of CO₂) / (√molar mass of NH₃)

= 2.40 mole/min * (√44.01 g/mol) / (√17.03 g/mol)

≈ 6.21 mole/min

Therefore, the rate of effusion of CO₂ under the same conditions is approximately 6.21 mole/min.

The correct answer is (b) 6.21.

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Answer:

A would be your answer am sorry if you get it wrong but honestly that's the only one that sounds about correct

Answer:

For example, the compound FeSO4 is called iron(II) sulfate, because it contains Fe2+.

Explanation:

please mark me as brainliest thank you

Answer:

A

Explanation:

Approximately 68,419 years will elapse for the fuel rod to contain only 25 grams of plutonium. The decay of a radioactive substance follows an exponential decay law. The amount of radioactive material remaining at a given time can be determined using the formula:

N(t) = N₀ * e^(-λt)

The decay of a radioactive substance can be described by the exponential decay formula:

N(t) = N₀ * (1/2)^(t / t₁/₂)

Where:

N(t) is the amount of substance remaining at time t,

N₀ is the initial amount of substance,

t is the elapsed time,

t₁/₂ is the half-life of the substance.

In this case, we are given that the initial amount of plutonium (N₀) is 200 grams, and we want to find the time (t) it takes for the amount of plutonium to decrease to 25 grams.

25 grams = 200 grams * (1/2)^(t / 24,000 years)

To solve for t, we can take the logarithm of both sides of the equation:

log(25 grams / 200 grams) = log[(1/2)^(t / 24,000 years)]

Using the logarithmic property log(a^b) = b * log(a), we can rewrite the equation as:

log(25 / 200) = (t / 24,000 years) * log(1/2)

Simplifying further:

log(0.125) = (t / 24,000 years) * log(1/2)

Now, we can solve for t by rearranging the equation:

t = (24,000 years) * log(0.125) / log(1/2)

Calculating this expression, we find:

t ≈ 68,419 years

As a result, it will take roughly 68,419 years for the fuel rod to contain just 25 grammes of plutonium.

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Answer:

Plants using glucose to make ATP molecules during the process of photosynthesis which results in the plant releasing oxygen.

This is cellular respiration. ↑

Answer: all can be affected by the natural environment ( not sure answer hope it helped)

Explanation:

Matter are anything that is made up of atoms. The quantity of matter can be observed only on the basis of mass and volume calculation. Therefore, rock, air and water all are matter.

Matter is a substance that has some mass and can occupy some volume. The matter is mainly used in science. Matter can be solid, liquid or gas.

Matter is anything that is made up of atoms. Anything around us that can be physically seen and touched are matter. Ice, water and water vapors are example of matter.

So as we saw that matter has some mass so mass can be measured in gram only. Mass can also be represented as number of molecules. We also saw that matter occupy some volume and that volume is measured only in liter. Rock, air and water all are matter.

Therefore, rock, air and water all are matter.

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