how many grams of nh3 will have the same number of molecules as

Answer:

0.04506 mol

Explanation:

For this problem, you need to convert grams to moles.  To do this, you need the molar mass, which is given.  Divide the mass by the molar mass to find the moles you have.

(5.001 g)/(110.98 g/mol) = 0.04506 mol

Answer:

B

Explanation:

You prioritize the bromo group and then name the alkyl substituents accordingly (and also in the correct alphabetical order)

B. 1-bromo-2-ethyl-3-methylbenzene is the aromatic hydrocarbon

CH3 CH2CH3Br.

Traditionally, benzene-like substances have been called aromatic hydrocarbons due to the fact that they had unique aromas. Today, aromatic compounds include any that incorporate a benzene ring or have the residences we accomplice with this group of compounds.

Aromatic compounds, additionally known as "mono- and polycyclic aromatic hydrocarbons", are natural compounds containing one or extra fragrant earrings. The discern member is benzene. Heteroarenes are carefully related, considering the fact that as a minimum one carbon atom of CH organization is changed through one of the heteroatoms oxygen, nitrogen, or sulfur.

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Answer:

C

Explanation:

A molecule is a smallest particle of a substance that has all of the physical and chemical properties of that substance. or

Molecules are two or more atoms chemically joined together.

Because not all of the oxygen was reacted, there appears to be a mass loss.

Solid MgO is produced from the simultaneous combustion of solid magnesium metal and oxygen gas, which burns with a flash of light and heat. The initial masses of magnesium and oxygen added together are less than MgO.

Magnesium oxide is created when oxygen and magnesium interact. After burning, it transforms into a white magnesium oxide powder. Magnesium and oxygen react to produce a light powerful enough to momentarily impair your vision. Magnesium burns so brilliantly because it produces a lot of heat while doing so. This powder is produced by magnesium transferring two electrons to oxygen atoms. It is an exothermic process.

2Mg + O2 → 2MgO is a prime illustration of an oxidation and combination process.

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Answer:

Its name is Sodium Bromide .

Answer:

=>. the chemical Name of NaBr

=>. sodium bromide

hope it helps

1.  The 4s subshell should be filled before the 3d subshell because the 4s subshell is at lower energy than the 3d subshell.

Electrons fill the subshells in order of increasing energy.

2.  To write the electron configuration for the Na^+ ion, which has ten electrons, follow these steps:
  a. Begin with the lowest energy subshell, which is 1s.
  b. Fill the subshells with electrons in increasing energy order: 1s, 2s, 2p, 3s, and so on.
  c. Stop when you've added ten electrons.
The electron configuration for the Na^+ ion is: 1s^2 2s^2 2p^6

3. To write the electron configuration for the Br^- ion, which has thirty-six electrons, follow the same steps as above, but stop when you've added thirty-six electrons.

The electron configuration for the Br^- ion is: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6

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Temperature will the vapor pressure be 7.00 times higher than it was at 307 k is 324 K.

Calculation :

Given Data:

Heat of vaporization = 66.64kJ/mol

Final vapor pressure = 4 times of initial vapor pressure

Initial temperature = 307 K

The temperature is calculated by using the Clausius Clapeyron equation:

ln(P1/P2)=ΔHvap/R(1/T2−1/T1)

ln(P1/4P1)=66640Jmol⁻¹/8.314Jmol⁻¹K⁻¹(1/T2−1/307K)

ln(1/4)=8015.4(1/T2−1/307)

−1.38=8015.4/T2(−26.108)

T2=324K

Therefore, the temperature is 324 K.

Thermometers are calibrated at different temperature scales and have historically relied on different reference points and thermometric substances for definition. The most common scales are the Celsius scale with the unit symbol °C (previously called Celsius), the Fahrenheit scale (°F), and the Kelvin scale (K), the latter mostly used for scientific purposes. will be Kelvin is one of the seven basic units of the International System of Units (SI).

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Heating up a reaction increases the speed of a reaction until the enzyme denatures.

Enzyme denaturation occurs when a biological protein catalyst does not work anymore due to a high temperature that alters its tridimensional conformation.

This cellular process (denaturation) is well known to be one of the main causes of enzymatic failure.

In conclusion, heating up a reaction increases the speed of a reaction until the enzyme denatures.

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The equilibrium constant is the value of the reaction quotient obtained from the chemical equilibrium equation. Therefore,  K for H⁺(aq) + F(aq) ⇄HF(aq) is 15.2.

The equilibrium constant is the value of the reaction quotient obtained from the chemical equilibrium equation. It is affected by ionic strength and temperature, but is unaffected by the amounts of products and reactants in a solution.

For a process in homogeneous equilibrium, all of the reactants and products are within the same phase. For example, all of the species may be liquids, or all of them could be gases.

HF(aq)⇄H⁺(aq) + F(aq) K = 6.8x104

H⁺(aq) + F(aq) ⇄HF(aq)  K = 1/6.8x104=15.2

Therefore,  K for H⁺(aq) + F(aq) ⇄HF(aq) is 15.2.

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The number of moles of sodium in 3.20 moles of sodium hydrogen phosphate  is 6.40 moles of sodium .

The correct option is :- (A)

Therefore, to calculate the number of moles of sodium in 3.20 moles of sodium hydrogen phosphate, we can use the following formula:

number of moles of sodium = (number of moles of sodium hydrogen phosphate) x 2

Plugging in the given value of 3.20 moles for sodium hydrogen phosphate, we get:

number of moles of sodium = (3.20 moles) x 2
number of moles of sodium = 6.40 moles

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2 Sodium azide(s) 2 Sodium(s) + 3 Nitrogen(g) is the balanced chemical equation for the breakdown of sodium azide (Sodium azide). As a result, 13.65 moles of Nitrogen gas will be created from 9.1 mol of Sodium azide.

According to Avogadro's law, a gas's total number of atoms or molecules is directly proportional to the volume of gas that gas occupies at a given pressure and temperature. The formula for Avogardro's equation is V = k n or V1/n1 = V2/n2.

We can use the following ratio to determine how many moles of Nitrogen gas are created by the breakdown of 9.1 mol of Sodium azide:

2 mol Sodium azide / 3 mol Nitrogen = 9.1 mol Sodium azide/ x mol Nitrogen

where x represents the quantity of Nitrogen generated in moles.

After finding x, we obtain:

x = 9.1 mol Sodium azide × 3 mol Nitrogen / 2 mol Sodium azide

x = 13.65 mol Nitrogen

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Lithium reacts with one atom of fluorine, and the atomic mass of fluorine is 38 amu.

The atomic mass of an element is the average mass of the atoms of an element measured in atomic mass unit.

One lithium (Li) atom can combine with one fluorine (F) atom. Together, they make the formula LiF.

Fluorine has seven electrons of it's own. Lithium gives up its one electron to make both atoms happy.

Hence, lithium reacts with one atom of fluorine, and the atomic mass of fluorine is 38 amu.

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Answer: it’s the bottom 2

Explanation: I just took the test and was able to see the answer. :)

Answer:

Chemistry makes no sense. See below for answer.

Explanation:

1. The kinetic energy and potential energy of both objects will be the same.

2. True. The acceleration due to gravity is different depending on the planet.

The kinetic energy of an object is energy due to the motion of the object.

K.E = ¹/₂ mv²

where;

The speed of the object at different heights is given as;

v = √2gh

for 5 m high;

v = √ (2 x 9.8x 5)

v = 9.9 m/s

for 10 m high;

v = √ (2 x 10 x 9.8)

v = 14 m/s

K.E for 5 m high;

K.E = ¹/₂ x 10 x 9.9²

K.E = 490 J

for 10 m high;

K.E = ¹/₂ x 5 x 14²

K.E = 490 J

2. The acceleration due to gravity is different depending on the planet.

This statement is true because, the value of acceleration due to gravity on Earth is 9.8 m/s² while that of Mars is 3.72 m/s², and so on.

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The complete question;

1. What has more kinetic energy, a 5 kg ball lifted 10 m high, or a 10 kg ball lifted 5 m high?

2. At the beginning of this assessment, you are told that all of the problems take place on earth.

The acceleration due to gravity is different depending on the planet, true or false?

Answer:

the structure of atom which discovered by Thomson the describe on how the sub-atomic particles are arranged in an atom

Explanation:

Lustrous (shiny)

Good conductors of heat and electricity.

High melting point.

High density (heavy for their size)

Malleable (can be hammered)

Ductile (can be drawn into wires)

Usually solid at room temperature (an exception is mercury)

Opaque as a thin sheet (can't see through metals)

To fix low ammonia levels in water to Treat with Ammonia Remover

Complete a 25% water change and retest after a few hours

Treat with Ammonia Remover

When at a safe level of 0.0 mg treat the tank with Fast Filter Start to boost the bacteria in your filter that process ammonia

Continue to regularly test your water

Why does this occur, and how can I stop it?

Ammonia is a substance that develops naturally in your aquarium as waste, such as food, farces, or plant matter, breaks down. Your biological filter bacteria should break down ammonia using a process known as the Nitrogen Cycle.

High ammonia levels result from

inadequate biological filtration (New Tank Syndrome, damaged or immature)

Manage each of these elements to lower ammonia levels. Make sure to clean filter components, like sponges, in aquarium water because tap water will harm the microorganisms that remove ammonia.

Treatment of fix low ammonia level in salt water fish tank:

Fish excrete the poisonous waste product Ammonia, which is normally broken down into less dangerous molecules by bacteria in biological filters. You can assist if this biological process fails by chemically eliminating the ammonia.

Hence, to fix low ammonia levels in water to Treat with Ammonia Remover

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Answer:

When endothermic reaction takes place, the system gains heat from the surroundings and so the temperature of the surroundings decreases ie. it gets colder

Explanation:

A chemical reaction is exothermic if heat is released by the system into the surroundings.

STUDY WELL!

The light reactions and the Calvin cycle are dependent on each other because they are the two stages of photosynthesis, and they work together to convert light energy into chemical energy in the form of glucose.

The light reactions take place in the thylakoid membranes of the chloroplasts and are responsible for capturing light energy and converting it into ATP and NADPH, which are used as energy and reducing power in the Calvin cycle. The Calvin cycle, on the other hand, takes place in the stroma of the chloroplasts and uses the ATP and NADPH produced in the light reactions, along with carbon dioxide, to synthesize glucose. Without the light reactions, there would be no ATP or NADPH available for the Calvin cycle to use, and without the Calvin cycle, there would be no glucose produced to sustain the plant. Therefore, the light reactions and the Calvin cycle are mutually dependent on each other for the successful completion of photosynthesis.

The light reactions take place in the thylakoid membranes of chloroplasts and use light energy to produce ATP and NADPH. These energy-rich molecules are then used in the Calvin cycle, which takes place in the stroma of the chloroplasts, to fix carbon dioxide into glucose and other organic molecules. The ATP and NADPH produced in the light reactions provide the energy and reducing power needed for the Calvin cycle to convert CO2 into glucose. In turn, the Calvin cycle regenerates ADP and NADP+, which are needed for the light reactions to continue producing ATP and NADPH. Thus, both processes are dependent on each other to maintain a continuous flow of energy conversion and carbon fixation in photosynthesis.

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Answer:

1.9992x10^-23

Explanation:

The thing is 6.022*10^23 atoms of carbon is 12g. so 1 atom of carbon will contain:

12/6.022*10^23 = 1.9992x10^-23

hope its clear and helps...

The number of moles of sodium (Na) in 3.4 x 10^23 atoms is approximately 5.64 moles.

In the first paragraph, the main answer is that there are approximately 5.64 moles of sodium (Na) in 3.4 x 10^23 atoms.

Now, let's explain the calculation in the second paragraph. The mole is a unit of measurement used in chemistry to quantify the amount of a substance. One mole of any element contains Avogadro's number of atoms, which is approximately 6.022 x 10^23. In this case, we have 3.4 x 10^23 atoms of sodium (Na). To convert this into moles, we divide the number of atoms by Avogadro's number.

Mathematically, the calculation is as follows:

Moles of Na = (Number of atoms of Na) / (Avogadro's number)

Moles of Na = (3.4 x 10^23) / (6.022 x 10^23)

Moles of Na ≈ 5.64 moles

Therefore, there are approximately 5.64 moles of sodium (Na) in 3.4 x 10^23 atoms.

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We will get Plagioclase as phenocryst in a porphyritic basalt using Bowmen's reaction series.

Porphyritic basalt is mafic  i.e. it has low silica content  and have higher melting point than felsic which have higher silica content . Porphyritic basalt's mineral composition is Calcium Plagioclase . Phenocryst is large crystal , early forming igneous rock.

Thus , on cooling plagioclase will be seen as phenocryst which is clear from Bowmen's reaction series because it is present on right side of series at higher temperature range in continuous branch in mafic region.

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Answer:

See explanation

Explanation:

The formation of isomers is common to octahedral complexes. Isomers are different compounds with the same molecular formula but different structural formulas. Isomers have different atom to atom connections. Werner's complexes can display; polymerization, ionization, linkage, geometric and optical isomerism among others.

Isomers of coordination compounds are not easily recognizable and not easily separable in the laboratory.

The geometric, linkage and ionization isomers of the complex given in the question are shown below.

Holding a toast  will not help in preventing Johny from dying of hypothermia as the thermal energy produced by holding a hot toast is not sufficient to maintain the thermal energy of the body.

Thermal energy is defined as a type of energy which is contained within a system which is responsible for temperature rise.Heat is a type of thermal energy.It is concerned with the first law of thermodynamics.

Thermal energy arises from friction and drag.It includes the internal energy or enthalpy of a body of matter and radiation.It is related to internal energy and heat .It arises when a substance whose molecules or atoms are vibrating faster.

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Answer:

4) Neon and Argon

Explanation:

Sodium has 11 electrons, Chlorine has 17.

For both of them to complete their shells Sodium will give one electron to chlorine.

Sodium will become 2,8 in the reaction.

Chlorine will become 2,8,8 in the reaction.

2,8 is the electron configuration of Neon.

2,8,8 is the electron configuration of Argon

A potassium atom's ground state electron configuration is 1s2, 2s2, 2p6, 3s2, 3p6, 4s1.

An atom's electron configuration is a picture of how electrons are arranged in relation to orbital shells and subshells. Consequently, this is potassium's electron configuration.

Making Electron Configurations in Writing. Write the energy level (the period) first, then the subshell that needs to be filled, and finally the superscript, which indicates how many electrons are in that subshell. The atomic number, Z, is the sum of all the electrons.

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Answer:

2. Molten rock rises in Earth's mantle caused by (pressure)

Explanation:

i think i just had a similar question

for some reason it won't let me type the answer, it's the first option

Answer:

162.4

Explanation:

Because yea thats the answer no need to tell you why ok bye