The rate of a certain reaction is given by the following rate law:
rate = k [H2]2[NH3]
Use this information to answer the questions below.
1. What is the reaction order in H2? ____________
2. What is the reaction order in NH3 ? _____________
3. What is overall reaction order? __________
4. At a certain concentration of H2 and NH3 the initial rate of reaction is 0.740 M / s. What would the initial rate of the reaction be if the concentration of H2 were doubled? Round your answer to 3 significant digits. ________________M/s
5. The rate of the reaction is measured to be 6.0 x 104 M / s when [H2] = 0.98 M and [NH3] = 0.31 M. Calculate the value of the rate constant. Round your answer to 2 significant digits. k = ______________ M-2 x s-1

Answer:

b

Explanation:

Beryllium is under Group 2, and group 2 are usually known as alkaline earth metals.

Answer:

There is a hack in forms that forms gives u the answer hold ctrl + u, and scrool to the bottom he read the part with the question and there will be an answer.

Mark as brainliest if im right good luck

True. Every nonsingular second-order linear ordinary differential equation a(x)u" + 6(x) u' + c(u) u = f(x), subject to homogeneous Dirichlet boundary conditions on an interval [a,b], is (a) self-adjoint.

Generally speaking, homogenous refers to having same pieces or components. Homogeneous refers to something that is consistent in nature or character throughout. A variety of objects that are basically similar to one another or belong to the same sort can also be referred to as homogenous.

A homogenous mixture is one whose composition is constant across the whole mixture. The dissolved salt is uniformly dispersed across the whole salt water sample, making the salt water in the example above homogenous.

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Answer:

gene is the basic unit of hereditary,found in the chromosome transfered from parent to offspring

The bonds between the atoms of carbon, nitrogen, and oxygen molecules will be determined based on VSEPR theory.

The VSEPR theory (Valence Shell Electron Pair Repulsion theory) is used to predict the geometrical shape and bond angles of molecules. It depends on the number of electron pairs (bonded or non-bonded) surrounding a central atom. The atoms considered will include carbon, nitrogen, and oxygen.

The molecule predicted in VSEPR will be based on the electron pairs surrounding the central atom in the molecule.

For carbon: Carbon with four electron pairs and zero non-bonded pairs will have a tetrahedral shape with bond angles of 109.5°.Carbon with three electron pairs and one non-bonded pair will have a pyramidal shape with bond angles of 107.5°.

Carbon with two electron pairs and two non-bonded pairs will have a linear shape with bond angles of 180°.

For nitrogen: Nitrogen with four electron pairs and zero non-bonded pairs will have a tetrahedral shape with bond angles of 109.5°.

Nitrogen with three electron pairs and one non-bonded pair will have a pyramidal shape with bond angles of 107.5°.

Nitrogen with two electron pairs and two non-bonded pairs will have a linear shape with bond angles of 180°.

For oxygen: Oxygen with four electron pairs and zero non-bonded pairs will have a tetrahedral shape with bond angles of 109.5°.

Oxygen with three electron pairs and one non-bonded pair will have a bent shape with bond angles of 104.5°. Oxygen with two electron pairs and two non-bonded pairs will have a linear shape with bond angles of 180°.

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Answer:

i hope this helped

They have no true nucleus as the DNA is not contained within a membrane or separated from the rest of the cell, but is coiled up in a region of the cytoplasm called the nucleoid. Prokaryotic organisms have varying cell shapes.

Explanation:

Answer:

Explanation:

The DNA in prokaryotes is contained in a central area of the cell called the nucleoid, which is not surrounded by a nuclear membrane. Many prokaryotes also carry small, circular DNA molecules called plasmids, which are distinct from the chromosomal DNA and can provide genetic advantages in specific environments.

The following is the strongest reducing agent: Na(s). The correct option is d.

In a redox reaction, a reducing agent is a species that donates electrons and gets oxidized itself. The strength of a reducing agent is determined by its tendency to lose electrons.

Among the options provided, the reducing agents are the metallic forms of calcium (Ca(s)), sodium (Na(s)), and potassium (K(s)), as well as the aqueous cations of calcium (Ca2+(aq)) and lithium (Li+(aq)).

Since sodium (Na) is more reactive than calcium (Ca) and potassium (K) in the alkali metal group, it has a stronger tendency to lose electrons. Therefore, Na(s) is the strongest reducing agent among the options given.

The aqueous cations, Ca2+(aq) and Li+(aq), are not considered as strong reducing agents compared to their metallic forms, Ca(s) and Li(s), respectively. The correct option is d.

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Answer:

B.5

Explanation:

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Answer:

Explanation:

(i) Image

(ii) The energy of the products is more than that of the reactants, which shows that energy was absorbed. Hence, the reaction is endothermic.

Answer:

please mark brainliest!

Explanation:

Germanium is a chemical element with the symbol Ge and atomic number 32. It is a lustrous, hard-brittle, grayish-white metalloid in the carbon group, chemically similar to its group neighbours silicon and tin.

The pairs of conditions that need to construct a similar cell that generates the lowest cell potential is [Zn2+]=0.5M and [Fe2+]=1M because Q<1. The correct answer is option A,

In order to construct a similar cell that generates the lowest cell potential, we need to consider the Nernst equation.

Where,

Ecell=E°cell − (0.0592/n) log Q

Where,

E°cell = Standard electrode potential

n = Number of electrons exchanged

Q = Reaction Quotient = [products]/[reactants]

For the given reaction, the cell potential is +0.32 V. This implies that under standard conditions, Q = 1.The answer to the given question is that [Zn2+] = 0.5 M and [Fe2+] = 1 M because Q < 1.

The conditions under which the standard electrode potential of a half-cell is measured are referred to as standard conditions. This usually entails a concentration of 1.00 mol/L for all substances, an atmospheric pressure of 1.00 atm, and a temperature of 25°C.

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I beleive it would be 0.8

the volume of water alone is 4.8

the volume of rock and water is 5.6

you would subtract them both to find the volume of the Rock.

The pillar of sustainability broken by recycling electronics in India is environmental sustainability. Implementing a law that restricts electronics recycling to the US would not necessarily be the most effective solution, as it overlooks the complex global dynamics of electronic waste management.

Recycling electronics in India often involves improper disposal methods, such as burning or dismantling without proper safety measures. This leads to environmental pollution, including the release of hazardous substances into the air, soil, and water, thus violating the principle of environmental sustainability.

However, simply mandating that electronics can only be recycled in the US may not be the most optimal solution. Electronic waste is a global issue, and restricting recycling to a single country disregards the fact that electronic products are manufactured and consumed worldwide. A more comprehensive approach to addressing electronic waste would involve international cooperation, strict regulations, and monitoring of recycling practices to ensure they meet environmental standards.

Efforts should focus on improving recycling practices globally, including promoting responsible electronic waste management, developing sustainable recycling infrastructure in multiple countries, and encouraging the adoption of safe and environmentally friendly recycling practices. This approach would foster global sustainability and address the challenges associated with electronic waste disposal more effectively than a geographically limited restriction.

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Answer:

sodium ion

Explanation:

1. Gravitational lensing is the phenomenon that we call a massive object that can distort the light of more distant objects behind it.

2. WIMPs (weakly interacting massive particles) are defined as subatomic particles that have more mass than neutrinos but do not interact with normal matter.

3. The rotation curves of spiral galaxies provide strong evidence for the existence of dark matter.

4. Baryonic matter made from atoms with nuclei consisting of protons and neutrons, represents what we call ordinary matter.

5. Models show that the evolution of the universe is better-explained when we include the effects of dark matter along with the effects of luminous matter.

6. Matter consisting of particles that differ from those found in atoms is generally referred to as exotic matter.

What is dark matter? Dark matter is a kind of matter that scientists assume to exist since it does not interact with light and cannot be seen through telescopes. Dark matter is believed to account for approximately 27% of the matter in the universe. Dark matter interacts gravitationally with visible matter and radiation, but it doesn't interact with electromagnetism, making it completely invisible to telescopes that observe electromagnetic radiation, such as radio waves, infrared light, visible light, ultraviolet light, X-rays, and gamma rays.

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The total amount of lime that must be added is most nearly 190 mg/l.

In lime - Soda process first of all. CO₂ is removed by addition of lime- Imol. C0₂ requires I mol of time.

The balanced chemical reaction is given as,

CO₂ + Ca(OH)₂ → CaCO₃ + H₂O

CO₂ present = 50mg/l as CaCO₃

I milli equivalent

Now the removal of Carbonate hardness occurs.

Ca(HCO₃)₂ + Ca(OH)₂ → 2 CaCO₃ + 2 H₂O

Add lime 120 mg/l as CaCO₃  For removal of Carbonate hardness of calcium.

The excess of lime - 20mg/l as CaCO₃

Total lime added = 50mg/l + 120mg/l + 20 mg/l

                            = 190 mg/l as CaCO₃.

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Answer:d stay the same as well

Explanation:

sorry if im

wrong

Answer:

Explanation:

Here, we want to get the temperature of the gas

Mathematically, from the ideal gas equation:

where:

T is the temperature that we want to calculate

V is the volume given as 50 L

n is the number of moles that we can get by dividing the given mass by the molar mass of N2 (The molar mass of N2 is 28 g/mol: thus, we have the number of moles as 29.5/28 = 1.054 mol)

P is the pressure which we have to convert to atm by dividing by 760 mm Hg: we have that as 550/760 = 0.724 atm)

R is the molar gas constant which is 0.0821 L.atm/mol.K

Substituting the values, we have it that:

Henry's law, a gas law in physical chemistry, asserts that the quantity of dissolved gas in a liquid is inversely proportional to the partial pressure of the gas above the liquid. Henry's law constant is the name of the proportionality constant.

William Henry, an English chemist, developed Henry's law around the beginning of the 19th century. It claims that the relationship between dissolved gas concentration and gas phase partial pressure is linear. The Henry's law constant is the name of the proportionality factor.

Kн K1 is equal to 1.25 x 10-3 mol dm-3 atm-2.

KH times Pgas equals soluble.

Solvability = 1.25 x 10-3 x 2.5

Solubility is equal to 3.125* 10-3 mol/dm2.

The Henry's law constant (KH), commonly known as the air-water partition coefficient, is the ratio of a compound's concentration in water to its partial pressure in the air at a given temperature.

For example, moles per cubic meter for water and atmospheres for air (atm-m3/mol), or in a dimensionless unit like KH′ = KH/(RT), where KH′ is the dimensionless unit Henry's law constant (atm-m3/mol), ideal gas constant (8.20575 105 atm-m3/mol-K), and water temperature (K).

When a compound's molecular weight is less than 200 grammes per mole and its Henry's law constant is more than 103 atm-m3/mol, it is often classified as volatile.

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Answer:

you should consider waterproofing. depending on the climate in your area, you need to apply multiple layers of waterproofing in the roof for it to support vegetation. you should also confused the types of plants. the types of plants is important for the success of your roof. if you live in a dry area, you don't want to choose plants that can live in dry areas without drying out.

To solve such this we must know the concept of nucleophilic substitution reaction. Therefore, the correct option is option C that is  The first step is the slowest because a bond is being broken.

Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction.

The characteristics of SN1 mechanism:

It is a nucleophilic substitution reaction.

Leaving group, a nucleophile, electrophile and a solvent are present

Two types of enantiomers can be formed in the reaction depending on the preference of the nucleophile.

The first step is the slowest because a bond is being broken.

Therefore, the correct option is option C.

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Answer:

Explained below

Explanation:

Formula for Ammonia is NH3

Now, Nitrogen has 5 electrons in it's outermost shell while hydrogen has only 1 electron.

Thus means that nitrogen needs three more electrons to add to it's five to complete it's octet shell.

Whereas each hydrogen atom will need one extra electron to complete 2 electrons in it's outermost shell.

As depicted in the image attached, Each atom will now have a complete valence shell since the three

Hydrogen(H) atoms share their electrons thereby forming covalent bonds with one Nitrogen(N) atom.

Answer:

Boron

Explanation:

this is your answer

Answer:

Option #2 (Green seeds)

Explanation:

Since both the plants are true-breeding, both plants only have the green allele. Therefore, their offspring must also only have the green allele and will therefore have green seeds.

Answer:

it changes color from blue to light green.

Explanation:

due to copper iron nail functions

Answer:

give the other person brainlieset plz

Explanation:

Answer:

elements with low first ionization energies and positive or slightly negative electron affinities generally form cations.

hope it is helpful:)

Answer:

Heat, electricity x

Explanation:

Hope this helps! :) x