I need help explain why the groundwater heater system will heat up the school more then the water heater, please try to make the explaining as long as possible.

Answer : The correct answer is option (3) \(5.68\times 10^{-19}J\)

Explanation: Given,

Wavelength =  350 nm = \(350\times 10^{-9}m\)         \((1nm=10^{-9}m)\)

Now we have to determine the energy of photon.

Formula used:

\(E=\frac{hc}{\lambda}\)

where,

E = energy  of photon

h = Planck's constant =  \(6.63\times 10^{-34}J.s\)

c = speed of light =  \(3\times 10^{8}m/s\)

\(\lambda\) = wavelength of photon

Now putting all the given values in this formula, we get:

\(E=\frac{(6.63\times 10^{-34}J.s)\times (3\times 10^{8}m/s)}{350\times 10^{-9}m}\)

\(E=5.68\times 10^{-19}J\)

Therefore, the energy of photon is, \(5.68\times 10^{-19}J\)

Coenzyme q carries electrons from complex I to complex III  and complex II to complex III  in the electron-transport chain.

Coenzyme q  (CoQ), also known as ubiquinone, is the electron carrier in the electron transport system (ETS) present on the inner membrane of mitochondria.

Ubiquinone is a ubiquitous quinone, which accepts electrons from complex II ( succinate dehydrogenase) and  reduces to ubiquinol ( reduced form)

The purpose of the ETS is to generate an H+ ion concentration, by carrying electrons obtained from NADH AND \(FADH_{2}\)   produced by the Krebs cycle and glycolysis in the mitochondrial matrix. This  H+ ion potential will be used by ATP synthase to generate ATP.

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The inner mitochondrial membrane contains CoQ, a key part of the mitochondrial electron transport chain (ETC), which moves electrons from complexes I and II to complex III to provide energy for proton translocation to the intermembrane gap.

An organelle called a mitochondrion can be found in the cells of the majority of Eukaryotes, including mammals, plants, and fungi. Adenosine triphosphate, which is produced by aerobic respiration in mitochondria with their double membrane structure, is used as a source of chemical energy throughout the entire cell.

Coenzyme Q10 takes electrons from reducing equivalents produced during the metabolism of fatty acids and glucose and then transports them to electron acceptors as part of the mitochondrial electron transport chain.

Ubiquinone, also known as coenzyme Q, is a lipophilic molecule that is found in all tissues and cells and is mostly found in the inner mitochondrial membrane. It is generally known that Coenzyme Q is an essential part of the oxidative phosphorylation process in mitochondria.

Thus, The inner mitochondrial membrane contains CoQ, a key part of the mitochondrial electron transport chain (ETC).

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Answer:

7

Explanation:

The pH of water is 7.

 pH is the convenient scale for expressing the level of acidity or alkalinity of aqueous solutions.

An acidic solution has a pH value less than 7.

As pH decreases, the acidity of solutions increases.

Neutral solutions have a pH of 7.

An alkaline solutions has a pH greater than 7 and the level of alkalinity increases as the pH increases.

  Water has a pH of 7 because the concentration of hydrogen and hydroxyl ion is equal.

Large-scale convection currents create divergent plate boundaries in science.

This refers to vertical motion organized on a larger scale than atmospheric free convection, it is associated with cumulus clouds. Examples of large-scale convection currents patterns of vertical motion is hurricanes or migratory cyclones.

Large convection currents in the aesthenosphere send heat to the surface, where plumes of less dense magma break apart the plates at the spreading centers, giving rise to divergent plate boundaries.

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Answer:

d

Explanation:

formula= PV = nRT

moles of Zn = 4.33 g Zn x 1 mol Zn/65.4 g

= 0.0662 moles Zn

moles H2 = 0.0662 moles Zn x 1 mol H2/mol Zn

= 0.0662 mole H2 gas

V = nRT/P

T = 38 + 273

= 311K

763 torr/760

= 1.00 atm

V = (0.0662 mol)(0.0821 Latm/Kmol)(311K)/1.00 atm

V = 1.69 L

Structural isomers are molecules with the same molecular formula but with different structural formulae. This means that they have the same number and types of atoms, but they are arranged differently. The following two organic compounds are structural isomers of each other.

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A thermodynamic system's property called enthalpy is the result of adding the internal energy of the system and the product of its pressure and volume.

The change in enthalpy for a chemical reaction, also known as the heat of reaction or delta H, is the amount of heat absorbed or released during the reaction at a constant pressure. To calculate the change in enthalpy for the chlorination of propane, you would need to know the enthalpies of formation for the reactants and products, and use the following equation:

ΔH = ΣΔHf (products) - ΣΔHf (reactants)

Where ΔHf is the enthalpy of formation for a given substance.

Without knowing the specific conditions and reactants, it's not possible to give a exact delta H value for the chlorination of propane. But it's an exothermic process, meaning that heat is released during the reaction. The magnitude of the heat released will depend on the specific reactants and conditions used.

Note that an overview was given as the information is incomplete.

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Answer: 6,700

Explanation: took the test got it right :) (2020)

Answer:

B 6700

Explanation:

Answer:During a physical change the nature of the new substance formed remains the same in terms of its composition or the number of particles. Only properties like the state of matter, density, etc tend to change. In contrast during a chemical change the new substance is altogether of a different chemical composition.

Infographics makes use of images and text to help understand these concepts better through visualizations.

Ans : B)  An infographic because the images improve understanding of the changes in matter.

Explanation:

Answer:

• 1 litre is equivalent to 1000 cm³

\(\dashrightarrow \: { \tt{0.022 \: cm = {(0.022 \: cm)}^{3} }} \\ = { \tt{0.0000106 \: {cm}^{3} }}\)

• Therefore:

\( { \tt{1000 \: {cm}^{3} = 1 \: litre}} \\ { \tt{0.0000106 \: cm {}^{3} = (0.0000106 \div 1000)}} \\ \\ = { \boxed{ \tt{1.06 \times {10}^{ - 8 } \: \:litres}}}\)

Answer:

Leaches aluminum from the soil.

Explanation:

Answer:

Ground water

Explanation:

The ground water reservoir is found underground in cracks and spaces in the soil, sand and rock.

Ground water is a very important portion of the water cycle where water is stored in an aquifer.

Aquifers are porous and permeable formations that stores ground water within them.

In this manner, ground water system is recharged by infiltration of water from the surface. Water percolates and collects inside an aquifer in this manner.

Answer:

Ground Water

Explanation:

There are 2.49 moles of gas in the cylinder, which can be used to administer oxygen to a patient who is experiencing difficulty breathing.

The ideal gas law is PV=nRT, where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature in Kelvin.

To use this equation, we need to convert the temperature from Celsius to Kelvin by adding 273.15. The atmospheric pressure is 101.3 kPa. Once we have all the variables, we can rearrange the equation to solve for n, the number of moles of gas in the cylinder.

n = PV/RT

Plugging in the given values, we get:

\(n = (13700 kPa * 5 L) / (8.314 J/mol*K * (20+273.15) K) \\n = 2.49 mol\)

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The pOH of the 0.001 M NaOH solution is approximately 3.

To determine the pOH of a solution, we need to know the concentration of hydroxide ions (OH-) in the solution.

In the case of a 0.001 M NaOH solution, we can assume that all of the NaOH dissociates completely in water to form Na+ and OH- ions. Therefore, the concentration of hydroxide ions in the solution is also 0.001 M.

The pOH is calculated using the equation:

pOH = -log[OH-]

Substituting the concentration of hydroxide ions, we have:

pOH = -log(0.001)

Using a calculator, we can evaluate the logarithm:

pOH ≈ 3

Therefore, the pOH of the 0.001 M NaOH solution is approximately 3.

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The percent yield for the reaction of a sample of 0.49 g of carbon dioxide was obtained by heating 1.22 g of calcium carbonate is 92.4%

Given the mass of carbon dioxide (\(CO2\)) = 0.49g

The mass of calcium carbonate (\(CaCO3\)) = 1.22g

The reaction is as follows:

\(CaCO3(s) -- > CaO(s)+CO2(s)\)

As we see 1 mole of CaCO3 is required to produce 1 mole of \(CO2\)

The molar mass of calcium carbonate, = 100.09 g/mol.

The molar mass of given carbon dioxide = 44g

mass of \(CaCO3\) used = number of moles x molar mass = 1 * 100 = 100g

Mass of \(CO2\) produced = 1 * 44 = 44g

Here for 100g of \(CaCO3\) 44g of \(CO2\) is produced.

Then for 1.22g of \(CaCO3\) = 44 * 1.22/100 = 0.53g of \(CO2\) is produced.

But the actual yield of carbon dioxide is 0.49 g

The percent yield is calculated by dividing the actual yield by the theoretical yield and multiplying by 100.

percent yield = 0.49/0.53 * 100 = 92.4%

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Answer:

Explanation:

Lowering of vapour pressure of solvent is proportional to number of moles   of solute dissolved in it per litre .

No of moles of glucose dissolved

= mass dissolved / molecular weight of glucose

= 10 / 180

= .055  moles.

No of moles of sucrose dissolved = 10 / 342

= .029 moles.

So reduction in vapour pressure will be lower of  solution dissolving sucrose . It is so because , no of moles of solute dissolved in it is low.  

Answer:

For deposition to happen, thermal energy must be removed from the gas. ... As water vapor loses thermal energy, it changes into solid frost. States of Water. Water is the only substance that exists naturally as a solid, a liquid, and a gas within Earth's temperature range.

Explanation:

The body of a person is a marvel of design. The basic building blocks of life are tiny cells. Tissues, such as muscle and epithelial tissue, are made up of cell clusters. Organ systems contract  are made up of groups of organs,

Their primary quality is its capacity to contract. Muscles that are attached to bones, internal organs, or blood vessels move objects. The primary cause of practically all physical movement is muscle contraction.

Your capacity to walk, lift objects, send blood around your body, and even breathe, is supported by these muscles. When you think of your body's muscles, you probably concentrate on the ones you possess the most of. As these muscles are optional (VOL-uhn-ter-ee), you can control their movements.

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Answer: In the Western United States and Canada, open range is rangeland where cattle roam freely regardless of land ownership. ... Land in open range that is designated as part of a "herd district" reverses liabilities, requiring an animal's owner to fence it in or otherwise keep it on the person's own property.

Explanation: Mark me as brainliest

Explanation:

The first step of the Hydrogen fusion process: a nucleus of Deuterium (2H) is formed from two protons with the emission of an antielectron and a neutrino. The basic Hydrogen fusion cycle involves four Hydrogen nuclei (protons) and two electrons and yields a Helium nucleus, two neutrinos and six photons.

Answer:

C just took it

Explanation:

Answer:

The continents are, from largest to smallest: Asia, Africa, North America, South America, Antarctica, Europe, and Australia.

Explanation:

There ya go Hope this helped

Answer: 3 hydrogen atoms; 2.75 x 10^25 molecules NH3

Explanation:

777 g NH3 x (6.02 X 10^23/17 g NH3) =

= 2.75 X 10^25 molecules NH3

Answer:

The cell potential for the given galvanic cell is 0.188 V.

Explanation:

To calculate the cell potential, we can use the Nernst equation:

Ecell = E°cell - (RT/nF)ln(Q)

where E°cell is the standard cell potential, R is the gas constant (8.314 J/mol·K), T is the temperature in Kelvin (25°C = 298 K), n is the number of moles of electrons transferred (in this case, n = 2), F is the Faraday constant (96,485 C/mol), and Q is the reaction quotient.

First, we need to write the half-reactions and their standard reduction potentials:

Sn4+(aq) + 2e- → Sn2+(aq) E°red = 0.15 V

Fe3+(aq) + e- → Fe2+(aq) E°red = 0.77 V

The overall reaction is the sum of the half-reactions:

Sn2+(aq) + 2Fe3+(aq) → Sn4+(aq) + 2Fe2+(aq)

The reaction quotient Q can be expressed as:

Q = [Sn4+][Fe2+]^2 / [Sn2+][Fe3+]^2

Substituting the given concentrations, we get:

Q = (0.00655)(0.01139)^2 / (0.0624)(0.0437)^2 = 0.209

Now we can calculate the cell potential:

Ecell = 0.15 V + 0.0592 V log([Fe2+]^2/[Fe3+]) + 0.0592 V log([Sn4+]/[Sn2+])

= 0.15 V + 0.0592 V log(0.01139^2/0.0437^2) + 0.0592 V log(0.00655/0.0624)

= 0.188 V

Therefore, the cell potential for the given galvanic cell is 0.188 V.

The cell potential for the given galvanic cell in which the given reaction occurs at 25 °C is 0.188 V.

To find the cell potential, we take the Nernst equation:

Ecell = E°cell - (RT/nF)ln(Q)

In which R is the gas constant (8.314 J/mol·K) and E° cell is the standard cell potential.

T temperature in Kelvin (25°C = 298 K), and n is the number of moles of electrons transferred (n = 2), Q is the reaction quotient and F is the Faraday constant (96,485 C/mol).

Firstly, write the half-reactions and then their standard reduction potentials:

Sn⁴⁺(aq) + 2e⁻  → Sn²⁺(aq) E°red = 0.15 V

Fe³⁺(aq) + e⁻ → Fe²⁺(aq) E°red = 0.77 V

The overall reaction is the sum of the half-reactions:

Sn²⁺(aq) + 2Fe³⁺(aq) → Sn⁴⁺(aq) + 2Fe²⁺(aq)

The Q reaction quotient can be written as:

Q = [Sn⁴⁺][Fe²⁺]² ÷ [Sn²⁺][Fe²⁺]²

Substituting the given concentrations, we observe:

Q = (0.00655)(0.01139)² ÷ (0.0624)(0.0437)² = 0.209

Next, we can find the cell potential:

Ecell = 0.15 V + 0.0592 V log([Fe²⁺]²/[Fe³⁺]) + 0.0592 V log([Sn⁴⁺]/[Sn²⁺])

= 0.15 V + 0.0592 V log(0.01139²÷0.0437²) + 0.0592 V log(0.00655÷0.0624)

= 0.188 V

Thus, the cell potential for the given galvanic cell is 0.188 V.

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\(\huge\boxed{16 Ampere}\)

Voltage(V) = 160 volts

Resistance(R) = 10 ohms

Current(I) = ? Amperes

                          V = IR

Rearrange the equation,

                          I = \(\frac{V}{R}\)

Substitute the variables,

                          I = \(\frac{160}{10}\)

Simplifying the fraction,

                          I = 16 A

Answer:

Examine these two MSDS from different manufacturers for sodium hydroxide (NaOH). Compare and contrast the following aspects: chemical names, chemical properties, order of components, health hazards, and proper disposal. Click on each of the links to examine two MSDS reports from different sources.

Explanation:

The balanced equation of the decomposition of hydrogen peroxide is as follows:

0.030 mol He x 22.4 L He = 0.672 L He

Hydrogen peroxide is a compound of hydrogen and oxygen combined in a ratio of 1 : 1.

The products of the decomposition of hydrogen peroxide are water and oxygen gas. The equation of the decomposition of hydrogen peroxide is given below:

2 H₂O₂ ----> 2 H₂O + O₂

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A full response is that the molecule with 32.1 g of S and 32 g of O has the empirical formula SO2.

Every compound's empirical formula is the simplest whole-number ratio of all of its atom types. It could occasionally be the same as the compound's molecular formula.

By first calculating the masses of each element contained in a compound, it is possible to experimentally ascertain the complex's empirical formula. Afterward, turning each element's mass into a corresponding mole.

To determine the empirical formula of the compound, we need to find the simplest whole-number ratio of the elements in the compound.

Moles of S = mass of S / molar mass of S

Moles of S = 32.1 g / 32.06 g/mol (molar mass of S)

Moles of S = 1.001 mol

Moles of O = mass of O / molar mass of O

Moles of O = 32 g / 15.99 g/mol (molar mass of O)

Moles of O = 2.001 mol

Moles of S in simplest ratio = 1.001 mol / 1.001 mol = 1

Moles of O in simplest ratio = 2.001 mol / 1.001 mol = 2

The empirical formula of the compound is SO2.

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White soft paraffin is used as a barrier cream, forming an oil layer on the skin's surface to prevent water from evaporating.

Define zinc oxide?

Zinc oxide is a topical medication used to treat or prevent minor skin irritations such as burns, cuts, and diaper rash. Some items can be used as sunscreen.

Zinc Oxide which is also known as Calamine or Zinc White is an inorganic compound. It basically occurs naturally as the mineral zincite. It is mostly manufactured synthetically.

Zinc oxide powders are commonly found in foot powders and makeup. It is also used as an ointment in diaper rash and sun protection products.

Zinc oxide is a sunscreen ingredient derived from minerals. Zinc oxide is ideal for both daily and intense sun exposure due to its ability to block the broadest spectrum of UV light. It protects against both UVA and UVB rays.

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