Will a Grignard reagent add to the carbonyl carbon of a carboxylic acid? Why or why not?

In modern times the highest concentration of \(CO_{2}\) measured in the earth's atmosphere is 400 ppm.

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Catalysts, such as the minerals deposited on hydrothermal vent walls, bring reactants together and increase the speed of the reactions without providing energy.

We can define catalysts as substances that increase the speed of a reaction. The catalysts themselves remain unchanged in a chemical reaction and work by lowering the temperature, pressure and energy levels.

Without a catalyst, a chemical reaction will take a long time to occur.

The rate of a reaction increases using a catalyst for the reaction. Some of the minerals that act as catalyst in hydrothermal vents are iron, nickel and sulfide minerals.

The oxides of most metals acts as catalysts. Inside the body of organisms, enzymes act as biological catalysts.

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Answer:

A parasite.

Explanation:

A virus usually invades cells and replicates.

A bacteria usually just replicates and either is beneficial or can harm.

A fungus usually decomposes or can make you sick.

A parasite usually is parasitism - it invades the organisms and leeches off them for shelter and nutrients and can harm.

Answer:

A parasite.

Explanation:

i got it right

Answer:

nose Inglés

bssnsnnsnsnsnsnsks

Answer: I think its the first won

Explanation:

(copped and pasted from website)

Zirconium

Electronic configuration

1s22s22p63s23p63d104s24p64d25s2

In summary, to achieve a noble gas-like stable electron configuration, barium needs to lose two electrons, resulting in a Ba²⁺ ion being formed.

Barium is an element with an atomic number of 56 and an electron configuration of [Xe]6s². Its outermost shell, like all other alkaline-earth metals, contains two electrons. It must lose two electrons to achieve a stable octet electron configuration, which is identical to a noble gas with eight electrons in its outermost shell (like Xe).

Barium has an atomic number of 56, indicating that it has 56 electrons in its natural state. Its electron configuration is [Xe]6s², indicating that there are two electrons in the outermost shell. Since noble gases have full outer shells, barium must lose the two electrons in the outermost shell to achieve a stable octet electron configuration, similar to that of a noble gas.

This results in a Ba²⁺ ion being formed, which is stable since it now has a stable electron configuration. Thus, two electrons need to be lost by barium to achieve a noble gas-like stable electron configuration. Answer more than 100 words: Barium is an alkaline earth metal that is found in Group 2 on the periodic table. It is a soft, silvery-white metal that has a high reactivity rate with air, and as a result, it is never found in its natural state.

It was first discovered in 1808 by Sir Humphry Davy, who named it after the Greek word barys, which means "heavy. "Barium's electron configuration is [Xe]6s², indicating that it has 56 electrons in its natural state. Barium has two electrons in its outermost shell, like all other alkaline-earth metals. Since noble gases have full outer shells, barium must lose the two electrons in the outermost shell to achieve a stable octet electron configuration, similar to that of a noble gas. This results in a Ba²⁺ ion being formed, which is stable since it now has a stable electron configuration.

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Answer: B.has the highest air pressure

Explanation:

During the light reactions water is oxidized to O2. hydrogen go to Used in the reduction of NADP+.

The photolysis process, sometimes referred to as the light reaction, occurs when light is present. Typically, it occurs in the chloroplasts' grana. Pigment molecules are present in photosystems. One of the key pigments in plants that actively participates in light-related processes like photosynthesis is chlorophyll. In the chloroplast of the mesophyll cells of the leaves, a light-dependent process takes place. The stacked disc-like structures known as thylakoids make up the double-membraned cell organelles known as chloroplasts. The membrane of these thylakoids contains the pigment chlorophyll, which is necessary for the process and is where the light reaction takes place.

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Answer:

Covalent bonds

Explanation:

Covalent bonding

Covalent bond refers to mutual sharing of electrons between two atoms

Answer:

Methane

Explanation:

It is methane because, it comes from natural sources.

Answer:

Mass is a measure of the amount of matter in a substance or an object

Explanation:

we learned about this on school

Answer:

gasoline

Explanation:

The given statement is false. This is because when the system is spontaneous then there is a decrease in the free energy of the system. On the contrary, when the system is non-spontaneous, then there is no such decrease.

Gravitational potential energy contained in water is converted to electrical energy by hydroelectric dams. Water is kept at a height. The potential energy of gravity is transformed into kinetic energy as the water is released. The turbine is exposed to the water and begins to spin. Kinetic energy is therefore changed into mechanical energy. The generator, via which mechanical energy is transformed into electrical energy, is coupled to the turbine. Therefore, gravitational potential energy must be transformed into kinetic energy, which must then be converted into mechanical energy, which must then be converted into electrical energy.

a reaction that leads to a decrease in the free energy of the system, δg< 0, is always spontaneous.

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increasing temperature enhances the vibrational energy of atoms, promoting melting, while increasing pressure compresses the solid, strengthening intermolecular forces and making it more resistant to melting.

In a solid, atoms and their bonds are always vibrating. As temperature increases, the vibrations of the atoms become more energetic and intense. This increased thermal energy disrupts the ordered arrangement of the atoms, causing them to vibrate more vigorously. Eventually, the vibrational energy overcomes the intermolecular forces holding the solid together, leading to a phase transition from solid to liquid, which is known as melting.

On the other hand, pressure has the opposite effect on a solid. When pressure is applied to a solid, it compresses the atoms and reduces the space between them. This compression increases the strength of the intermolecular forces, making it more difficult for the atoms to move and break free from their fixed positions. Consequently, the solid becomes more resistant to melting under high pressure.

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Answer:

0.00 °C = 273 K. 1.00 atm = 760.0 mm Hg = 101.325 kPa = 101,325 Pa. 273 1.

Explanation:

Answer:

Explanation:

A chemical compound is a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds. A molecule consisting of atoms of only one element is therefore not a compound.

A pure chemical compound is a chemical substance that is composed of a particular set of molecules or ions that are chemically bonded. Two or more elements combined into one substance through a chemical reaction, such as water, form a chemical compound.

Answer:

D

Explanation:

One example of a compound is steel unlike a mixture (for example a salad) it looks uniform throughout. In the case of steel, it is often a compound of Iron (Fe), Carbon (C), and in some cases a few other types of metals.

Answer:

Heat of vaporization: 250.580 kJ/mol. Number of Protons/Electrons: 47. Number of neutrons: 61. Classification: Transition Metal.

Number of Protons/Electrons: 47

Number of neutrons: 61

Classification: Transition Metal

Number of shells: 5

Explanation:

add 47 to 61 and its 108! hope its right! have a great day!

The time required to electrolyze molten metal at a current of 30.0 A to yield 1.00 g of silver metal is 90 seconds.

Number of moles = given mass = 1.0 = 0.0093

                              molar mass   108  

According to the mole concept:

One mole of atoms contains 6.022 x 10²³ number of particles.

We know that:

charge of 1 electron = 1.6 x 10⁻¹⁹

Charge of 1 mol electron = 1.6 x 10⁻¹⁹ x 6.022 x 10²³ = 96500 C

AgNO₃⇒ Ag³⁺ +3NO₃⁻

At cathode :  Ag³⁺ +3e⁻ ⇒  Ag

1 mol of silver is deposited as follows:

3 x 96500 = 289500 C

So 0.0093 moles of silver is deposited as

289500 C X 0.0093 =2692.35 C  

     1

Use the following formula to calculate the required time:

I= q/t

where,

I =  current = 30 A

q = total charge = 2692.35 C

t = required time (seconds) = ?

Substituting the values ​​into the above formula, we get:

t= q/1

t = 2692.35 C / 30 A

t = 89.745 ≈ 90 s

Therefore, the time required to electrolyze molten metal at a current of 30.0 A to yield 1.00 g of silver metal is 90 seconds.

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Answer:

a)6.730×10⁻⁴

b)5×10⁴

c)3.010×10⁻⁶

d)1.3240×10²

e)2.232×10³

The given numbers in scientific notation are \(6.730 \times 10^{-4}\), \(5.0 \times 10^4\), \(1.3240 \times 10^2\),  \(2.232 \times 10^3\) and  \(2.232 \times 10^3\), respectively.

Scientific notation is a way of expressing very large or very small numbers in a compact and convenient form.

To express a number in scientific notation, we need to write the number in the form: \(\rm a\times 10^b\)

a) 0.0006730 can be written in scientific notation as \(6.730 \times 10^{-4}\). The decimal point was moved 4 places to the right, so the exponent is negative 4.

b) 50000.0 can be written in scientific notation as \(5.0 \times 10^4\). The decimal point was moved 4 places to the left, so the exponent is positive 4.

c) 0.000003010 can be written in scientific notation as \(3.010 \times 10^{-6}\). The decimal point was moved 6 places to the right, so the exponent is negative 6.

d) 132.40 can be written in scientific notation as \(1.3240 \times 10^2\). The decimal point was moved 2 places to the left, so the exponent is positive 2.

e) 2232 can be written in scientific notation as \(2.232 \times 10^3\). The decimal point was moved 3 places to the left, so the exponent is positive 3.

Therefore, \(6.730 \times 10^{-4}\), \(5.0 \times 10^4\), \(1.3240 \times 10^2\),  \(2.232 \times 10^3\) and  \(2.232 \times 10^3\), are the scientific notation for the given numbers.

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Answer:

ow many atoms are there in 1g of argon the Avogadro constant is 6.02 x 10^23 per mole relative atomic mass (Ar): AR=40Explanation:

The number of atoms of argon in 1g of argon is 1.5 × 10²² atoms

From the question,

We are to determine the number of atoms present in 1g of argon.

To determine this,

First we will calculate the number of moles of the 1g of argon

From the formula

\(Number\ of\ moles = \frac{Mass}{Atomic\ mass}\)

From the given information

Mass of Argon = 1g

Atomic mass of Argon = 40g/mol

∴ Number of moles of Argon = \(\frac{1}{40}\)

Number of mole of Argon = 0.025 mole

Now,

For the number of atoms of argon present

Using the formula

Number of atoms = Number of moles × Avogadro's constant

∴ Number of atoms of argon present = 0.025 × 6.022×10²³

Number of atoms of argon present = 1.5055 × 10²² atoms

Number of atoms of argon present ≅ 1.5 × 10²² atoms

Hence, the number of atoms of argon in 1g of argon is 1.5 × 10²² atoms

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Answer:

pag pinag balik tad moyan tama magiging tama sagot nya promise jslsh

Answer:

Cause and effect, easy.

Answer: All of the parts of a series circuit-power source, wires, and devices-are connected along the same pathway​,  All of the parts of a series circuit-power source, wires, and devices-are connected along the same pathway.​ These two are correct.

Explanation:

A diluted solution results from a chemist adding solvent to a concentrated HCl solution and a child adding extra chocolate syrup to his chocolate milk.

When a solvent is added to a concentrated solution, the concentration of the solution decreases, and the solution becomes more dilute. In the given options, a chef thickens her sauce by warming it over high heat. This process does not involve dilution, and hence, option B is incorrect.

Similarly, ice melting in a glass of lemonade does not involve dilution either, and hence, option A is also incorrect. However, when a chemist adds a solvent to a concentrated HCl solution, the concentration of the HCl solution decreases, and it becomes more dilute. Thus, option C is correct. Moreover, when a child adds extra chocolate syrup to his chocolate milk, the concentration of the chocolate milk decreases, and it becomes more dilute. Hence, option D is also correct.

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The test on a urine chemical strip that should be held for 2 minutes before reading the results is the leukocyte esterase test.

The leukocyte esterase test is used to detect the presence of white blood cells in the urine, which can indicate a urinary tract infection. The test strip should be held in the urine sample for 2 minutes before reading the results to ensure accurate results.

It is important to follow the instructions for each individual test on the urine chemical strip, as different tests may have different recommended wait times before reading the results. Always be sure to read the instructions carefully and follow them for the most accurate results.

In summary, the leukocyte esterase test on a urine chemical strip should be held for 2 minutes before reading the results.

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