determine the products formed when ch3coch2ch2ch=ch2 is treated with each reagent.

Answer:

b

Explanation:

I did the test mark the brianlyes byyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy

Answer:

Its the second one (B)

Explanation:

Marki the person that answerd first brainliest :)

Hi! I'd be happy to help with your question regarding sodium bicarbonate during a reaction workup. Sodium bicarbonate solution is often added during a reaction workup to neutralize any acidic impurities present in the organic layer, which in turn aids in their removal.

When sodium bicarbonate (NaHCO₃, aq) reacts with an acidic impurity, it forms water (H₂O, l), carbon dioxide (CO₂, g), and sodium salt of the corresponding acid (NaX, aq, where X is the anion of the acid). The overall reaction can be written as:

NaHCO₃ (aq) + HX (org) → NaX (aq) + H₂O (l) + CO₂ (g)

The products, water, and carbon dioxide, are formed in the aqueous phase, while the sodium salt (NaX) remains dissolved in the aqueous layer. This separation allows for the organic layer to be easily extracted, effectively removing acidic impurities from the reaction mixture.

To summarize:
1. Sodium bicarbonate is added to neutralize acidic impurities.
2. The reaction between sodium bicarbonate and an acidic impurity forms water, carbon dioxide, and sodium salt.
3. The products separate into different layers, allowing for the removal of impurities from the organic layer.

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125.366 mg will remain after 2000 years

Radium is a radioactive element; all radioactive elements are first-order reactions having a half-life constant.

In first-order reactions, the half-life is inversely proportional to the rate constant. The mathematical equation is given below:

For first-order reactions,

\(t_{\frac{1}{2} }\) = ln(2) / k

Half-life (\(t_{\frac{1}{2} }\) ) = 0.693/ k

k = 0.693 / 1590

  =0.000436 years

We know that the period of radioactive decay is:

t = 2.303 × log(a / a-x) / k

where,

t ⇒time taken by the radioactive element for decaying.

a ⇒ initial amount

a-x ⇒ amount left after t time

k ⇒ rate constant

Now, putting the values in equation (i)

2000  = 2.303 × log(300 / a-x) / 0.000436

On rearranging,

log(300 / a-x) = 2000 ×0.000436 / 2.303

                       =0.379

300 / a-x = log 0.379

300 / a-x = 2.393

a-x = 300 / 2.393

      = 125.366

Therefore, 125.366 mg will remain after 2000 years.

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Answer:

Explanation:

0.25 M

The molarity of a solution will be 4.27M .

Molarity (M), often known as molar concentration, is the concentration of a solution expressed in moles of solute per liter of solution.

Solution can be considered as a mixture of more than one component. It may be homogeneous solution as well as heterogeneous solution.

Gram to mole conversion:

\(=\;2.75\;g.\;\frac{1\;mol}{58.44g} \\=\;0.0470 \;mol\)

Molarity of the solution can be calculated by using the following formula:

It is calculated that, moles of solute = 0.0470 mol, volume of the solution = 1100 mL.

Now, put the value of given data in molarity formula:

\(Molarity=\frac{Moles\;of\;the\;solute}{Volume \;of\; the\; solution} \\=\frac{0.0470\;mol}{1100 \;mL} \\=\;4.27\;mol/mL\\=\;4.27\; M\)

Therefore,  the molarity of a solution will be 4.27M.

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24.7 g of NH4Cl will remain as excess reactant after the maximum amount of NH3 has been formed.

What is Reactant?

In a chemical reaction, a reactant is a substance that undergoes a chemical change or reaction with other substances to form a product. Reactants are typically written on the left side of a chemical equation and are used to represent the starting materials in a chemical reaction. The reactants are consumed during the reaction, and the resulting products are formed.

To determine the maximum possible yield of NH3, we first need to calculate the limiting reactant of the reaction, which is the reactant that is completely consumed and determines the maximum amount of product that can be formed.

The balanced chemical equation for the reaction is:

CaO(S) + 2 NH4Cl(s) → 2 NH3(g) + H2O(g) + CaCl2(s)

The molar mass of CaO is 56.08 g/mol, and the molar mass of NH4Cl is 53.49 g/mol.

To find the limiting reactant, we can use the mole ratio of CaO and NH4Cl in the balanced equation.

Number of moles of CaO = 139 g / 56.08 g/mol = 2.476 mol

Number of moles of NH4Cl = 245 g / 53.49 g/mol = 4.588 mol

The mole ratio of CaO to NH4Cl is 1:2, which means that 1 mole of CaO reacts with 2 moles of NH4Cl.

Therefore, the amount of NH4Cl required to react with all the CaO is:

2.476 mol CaO × (2 mol NH4Cl / 1 mol CaO) = 4.952 mol NH4Cl

Since we have only 4.588 mol of NH4Cl available, it is the limiting reactant. This means that all the NH4Cl will be consumed in the reaction and the amount of NH3 produced will be limited by the amount of NH4Cl.

The maximum possible yield of NH3 can be calculated using the mole ratio of NH4Cl and NH3 in the balanced equation:

4.588 mol NH4Cl × (2 mol NH3 / 2 mol NH4Cl) × (17.03 g NH3 / 1 mol NH3) = 155 g NH3

Therefore, the maximum possible yield of NH3 is 155 g.

To determine the mass of the excess reactant remaining, we can use the amount of NH4Cl consumed in the reaction and subtract it from the initial amount of NH4Cl:

245 g NH4Cl - (4.588 mol NH4Cl × 53.49 g/mol) = 24.7 g NH4Cl

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Answer:

C) The reaction in glycolysis that involves an aldose to ketose isomerization is option  Phosphohexose isomerase. Phosphohexose isomerase catalyzes the conversion of glucose-6-phosphate (an aldose) to fructose-6-phosphate (a ketose).

The reaction in glycolysis that involves an aldose to ketose isomerization is catalyzed by phosphohexose isomerase. This enzyme converts glucose-6-phosphate, which is an aldose sugar, into fructose-6-phosphate, which is a ketose sugar.

This is a crucial step in glycolysis as it allows for the rearrangement of the sugar molecule, facilitating further downstream metabolic processes.

The isomerization reaction occurs through the shifting of functional groups within the sugar molecule, resulting in the conversion from an aldose to a ketose.

This isomerization step ensures the proper progression of glycolysis and the generation of energy in the form of ATP.

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Answer:

no

Explanation:

stop troll hate

Answer:

i dont know

Explanation:

Answer:

Acid btw I am new in Brainly

Eighteen turns of the Calvin cycle would produce 36 G3P molecules.

The Calvin cycle, also known as the dark cycle, is a metabolic process that occurs in plants and algae. The cycle is made up of a series of chemical reactions that convert carbon dioxide into glucose.

Glyceraldehyde 3-phosphate (G3P) is a three-carbon sugar that is one of the products of the Calvin cycle. Six CO2 molecules and six ribulose-1,5-bisphosphate molecules enter the cycle to create twelve 3-phosphoglycerate molecules.

Twelve ATP molecules and twelve NADPH molecules are then used to transform the 3-phosphoglycerate molecules into twelve G3P molecules. Ten out of twelve G3P molecules are used to regenerate six ribulose-1,5-bisphosphate molecules, while two are used to create glucose or other organic compounds.

Each turn of the Calvin cycle produces one G3P molecule, while each glucose molecule requires two G3P molecules. This implies that 36 G3P molecules would be produced by 18 turns of the Calvin cycle.

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Answer: Force of attraction called bond

click no answer provided

Explanation:

Answer:

B

Explanation:

yes, truly it is force of attraction but from the question,it said attraction created by opposite charge of protons and electrons (positively charged and negatively charged respectively)

The pKa of HCHO2 is 3.74 and the pH of an HCHO2/NaCHO2 solution is 3.89. The correct statement is  [HCHO2] > [NaCHO2].

In an HCHO2/NaCHO2 solution, HCHO2 (formic acid) acts as a weak acid and NaCHO2 (sodium formate) acts as its conjugate base. The pH of the solution (3.89) is higher than the pKa of HCHO2 (3.74), indicating that the solution is slightly acidic. When the pH is higher than the pKa of an acid, it means that the concentration of the acid form ([HCHO2]) is greater than the concentration of the conjugate base form ([NaCHO2]). This is because at a higher pH, the acid form tends to dissociate and release more protons (H+ ions) to shift towards equilibrium.Therefore, the correct statement is that [HCHO2] > [NaCHO2], as option c suggests.

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Gravity, as a fundamental force of nature, is influenced by several factors. The following are some of the key factors affecting gravity:

The specific heat of the metal is  0.888 J/g°C.

Specific heat is described as  the quantity of heat required to raise the temperature of one gram of a substance by one Celsius degree.

q = m * c * ΔT

where:

q = heat transferred

m = mass

c = specific heat

ΔT = change in temperature

The heat of the water = m * c * ΔT (all values for water)

The heat of the water q = 506.838 J

The heat transferred to the metal:

q = m * c* ΔT

m = 168.6 grams

ΔT = 87.1°C - 53.0°C = 34.1°C

We then rearrange the equation:

c = q  / (m * ΔT)

c = 506.838 J / (168.6 g * 34.1°C)

c = 0.888 J/g°C

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Answer:

Introduction. Alongside fat and protein, carbohydrates are one of the three macronutrients in our diet with their main function being to provide energy to the body. They occur in many different forms, like sugars and dietary fibre, and in many different foods, such as whole grains, fruit and vegetables.

Explanation:

pleaseee consider as brainlest if i helped you

There are 85.66 grams of O₂ in 60 liters of O₂.

The ideal gas states that "the pressure multiplied by volume is equal to moles multiply by the universal gas constant multiply by temperature.

It is expressed as;

PV = nRT

Where P is pressure, V is volume, n is the amount of substance, T is temperature and R is the ideal gas constant ( 0.08206 Latm/molK )

We can rearrange this equation to solve for n:

n = PV/RT

Since we're given the volume (60 L) and we're interested in the number of grams of O₂, we need to find the number of moles of O₂ first:

n = PV/RT

n = (1 atm) × (60 L) / [(0.08206 L·atm/mol·K) × (273.15 K)]

n = 2.6768 moles of O₂

Next, we can use the molar mass of O₂ to convert from moles to grams:

m = n x M

Where m is the mass in grams, n is the number of moles, and M is the molar mass of O₂.

Note that: the molar mass of O₂ is 32 g/mol (16 g/mol for each oxygen atom).

Hence

m = n x M

m = 2.6768 moles × 32 g/mol

m = 85.66 grams of O₂

Therefore, there are 85.66 grams.

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To draw the alkenes cis-1,2-dichloroethene, trans-1,2-dichloroethene, and 1,1-dichloroethene, we need to understand the concept of alkenes and their structural formulas.

Alkenes are unsaturated hydrocarbons that contain a carbon-carbon double bond. The general formula for an alkene is CnH2n. In this case, we are dealing with alkenes that contain chlorine atoms.

Let's start by drawing cis-1,2-dichloroethene. In this compound, the two chlorine atoms are on the same side of the double bond. The structural formula can be represented as follows:

```
   Cl
    |
H3C=C(Cl)
```

Now, let's move on to trans-1,2-dichloroethene. In this compound, the two chlorine atoms are on opposite sides of the double bond. The structural formula can be represented as follows:

```
   Cl     Cl
    |     |
H3C=C=CH2
```

Lastly, let's draw 1,1-dichloroethene. In this compound, there is only one carbon atom, and both hydrogen atoms are replaced by chlorine atoms. The structural formula can be represented as follows:

```
   Cl     Cl
    |     |
   C=C
```

In these structural formulas, each line represents a single bond, and each corner and end of a line represents a carbon atom. Hydrogen atoms are not explicitly shown, but we assume that each carbon atom is bonded to the appropriate number of hydrogen atoms to satisfy the valence requirements.

It's important to note that these structural formulas represent a 2D representation of the compounds. In reality, molecules are three-dimensional, and the spatial arrangement of atoms can affect the properties and reactivity of the compound. Additionally, there can be different ways to draw the same compound while maintaining the same connectivity of atoms. However, the structural formulas provided above are the most common representations for these alkenes.

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Answer:

Explanation:

By observing chemical reactions, we are able to understand and explain how the natural world works. Chemical reactions turn food into fuel for your body, make fireworks explode, cause food to change when it is cooked, make soap remove grime, and much more.

Answer:

Pressure

Explanation:

Basically when you are pressing something you are applying force over an area thus Pressure is force divided by area.

Answer:

pressure

Explanation:

Answer: The by-product of photosynthesis is oxygen.

Explanation: The photosynthesis process is the process by which photoautotrophs convert light energy into chemical energy which can later be used to fuel the activities of organisms. The three important elements required for the photosynthesis process are Water, carbon dioxide and light. The product formed from this process, stored in the form of sugars, which are created from water and carbon dioxide. The by-product of the photosynthesis process is oxygen.

6CO2 + 6H2O → C6H12O6 + 6O2

Answer:

Oxygen

Explanation:

Plants don't have any use for oxygen and we get oxygen from plants

The best beaker to represent a solution containing the weak electrolyte H2SO3 (a weak acid) is Beaker A.

This is because the solution will contain hydrogen (H+) and sulfate (SO3-) ions, and the hydrogen ions will be attracted to the partially-filled oxygen atoms in the water molecules, forming hydrogen bonds.

The hydrogen bonds will be weaker than the covalent bonds between the hydrogen and oxygen atoms, making Beaker A the best representation of the solution.

Hydrogen bonds are interactions between molecules that are formed when a hydrogen atom, which is slightly positively charged, is attracted to a slightly negatively charged atom, such as an oxygen or nitrogen atom.

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1) Which element is oxidized

Oxidation numbers

I2: 0

ClO3-: for Cl +5 and for O is -2

IO3-: for I is +5 and for O -2

Cl-: -1.

According to the oxidation number

a. Iodine (I) has been oxidized. It changed from 0 to +5.

b. Chlorine has been reduced. It changed from +5 to -1

2) reducing agent and oxidizing agent

c. A reducing agent donates electrons. In the reaction, Iodine is the reducing agent.

d. An oxidizing agent accepts electrons. In the reaction, Chlñorine is the oxidizing agent.

3) Balancing the chemical equation

Step 1: break the reaction into two half-reactions.

Oxidation half-reaction

Reduction half-reaction

Step 2: balance all elements EXCEPT for hydrogen and oxygen

Oxidation half-reaction

Reduction half-reaction

Step 3: Balance OXYGEN. We do so by adding water molecules to the half-reactions as needed.

Oxidation half-reaction

Reduction half-reaction

Step 4: Balance HYDROGEN. We do so by adding protons (H+) to the half-reactions as needed.

Oxidation half-reaction

Reduction half-reaction

Step 5: Balance CHARGES. We do so by adding electrons

Oxidation half-reaction

Reduction half-reaction

Step 6: Multiply each half-reaction in such a way we can cancel the electrons.

Oxidation half-reaction

New oxidation half-reaction

Reduction half-reaction

New reduction half-reaction

Step 7: combine the half-reactions. We have 30e in the reactants and 30e in the products. We can cancel them and combine the remaining species.

New oxidation half-reaction

New reduction half-reaction

Overall reaction

Step 8: Balance the reaction by reducing the number of water molecules and protons.

Overall reaction

e. Balance the reaction

.

Answer:

Explanation:

Water is called the "universal solvent" because it is capable of dissolving more substances than any other liquidIt is water's chemical composition and physical attributes that make it such an excellent solvent. Water molecules have a polar arrangement of oxygen and hydrogen atoms—one side (hydrogen) has a positive electrical charge and the other side (oxygen) had a negative charge. This allows the water molecule to become attracted to many other different types of molecules. Water can become so heavily attracted to a different compound, like salt (NaCl), that it can disrupt the attractive forces that hold the sodium and chloride in the salt compound together and, thus, dissolve it.

Answer:

Controlling the environment is the most key procedures for getting good results.

Explanation:

The control environment for an experiment is the essential part for getting good results. In control environment, there is no or less chances of disruption

from the external environment which can cause the results of the data more acceptable. So the scientists prefers laboratory for performing experiment as compared to outer environment. So in my opinion for getting better results, the control environment is the most necessary experimental procedure.

The molecular weight of NaOH is 40.

To find the molecular weight of any compound, you need to add up the atomic weights of each individual atom in the molecule. For example, let's take the compound NaOH. Na is the chemical symbol for sodium and has an atomic weight of 23. O is the chemical symbol for oxygen and has an atomic weight of 16, and H is the chemical symbol for hydrogen and has an atomic weight of 1.
So to find the molecular weight of NaOH, you need to add up the atomic weights of each atom in the molecule. In this case, it would be:
23 (for Na) + 16 (for O) + 1 (for H) = 40
The molecular weight of a compound is essential in determining many aspects of chemical reactions and reactions. It is the sum of the atomic weights of all the atoms present in the compound. This value is expressed in atomic mass units (amu) and is used to calculate the amount of a substance needed for a specific reaction. The molecular weight is also used to determine the amount of a compound needed for a specific mass, volume, or molarity of a solution. Additionally, the molecular weight can be used to find the empirical formula of the compound, which gives us information about the ratio of the elements present in the compound. Therefore, knowing the molecular weight of a compound is important in many fields, including chemistry, biochemistry, pharmacology, and many others.

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4.33 grams of nitrogen are produced when 7.80 grams of dinitrogen tetrahydride reacts with hydrogen peroxide.

To determine the mass of nitrogen (N2) produced when 7.80 grams of dinitrogen tetrahydride (NaH) reacts with hydrogen peroxide (H2O2), we need to calculate the stoichiometry of the balanced chemical equation and use the molar masses of the compounds involved.

The balanced chemical equation is:

2NaH + 2H2O2 → N2 + 4H2O

From the equation, we can see that 2 moles of NaH react with 2 moles of H2O2 to produce 1 mole of N2. To find the molar mass of N2, we add the atomic masses of two nitrogen atoms:

Molar mass of N2 = 2 × Atomic mass of nitrogen = 2 × 14.01 g/mol = 28.02 g/mol

Now, let's calculate the number of moles of NaH:

Moles of NaH = Mass of NaH / Molar mass of NaH

Moles of NaH = 7.80 g / (22.99 g/mol + 1.01 g/mol) ≈ 0.3088 mol

According to the balanced equation, the molar ratio of NaH to N2 is 2:1. Therefore, the moles of N2 produced will be half the moles of NaH used:

Moles of N2 = 0.3088 mol / 2 ≈ 0.1544 mol

Finally, to find the mass of nitrogen produced, we multiply the moles of N2 by the molar mass of N2:

Mass of N2 = Moles of N2 × Molar mass of N2

Mass of N2 = 0.1544 mol × 28.02 g/mol ≈ 4.33 g

Therefore, approximately 4.33 grams of nitrogen are produced when 7.80 grams of dinitrogen tetrahydride reacts with hydrogen peroxide.

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Answer:

yeah

Explanation:

it is a form of stored energy that is released when needed by a conversion chemical energy therefore it is a form of potential energy

hope this helps

Answer:

40 C atoms

Explanation:

Step 1: Write organic compound

10C₄H₁₀

We see here that in 1 mol of C₄H₁₀, we would have 4 atoms of C.

We are given that we have 10 moles of C₄H₁₀.

Therefore, we have 4 · 10 = 40 atoms C