Which of the following is considered a biotic factor?

Please help image below​

1. The complete electron configuration for the chromium atom (Cr, atomic number 24) is: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ 3d⁵

2. Using NOBLE GAS notation, the electron configuration for the zinc atom (Zn, atomic number 30) is: [Ar] 4s² 3d¹⁰

3. The complete electron configuration for the potassium atom (K, atomic number 19) is: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹

4. Using NOBLE GAS notation, the electron configuration for the nitrogen atom (N, atomic number 7) is: [He] 2s² 2p³

5. The complete electron configuration for the vanadium atom (V, atomic number 23) is: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d³

6. Using NOBLE GAS notation, the electron configuration for the scandium atom (Sc, atomic number 21) is: [Ar] 4s² 3d¹

Learn more about electron configuration https://brainly.com/question/26084288

#SPJ11

Wine was produced 37 years ago (1984 as usual year 15,2021) that is shown in the calculations below.

Reaction rate is calculated using the formula rate = Δ[C]/Δt, where Δ[C] is the change in product concentration during time period Δt. The rate of reaction can be observed by watching the disappearance of a reactant or the appearance of a product over time.

The time can be represented as follows:

t= 2.303\∧ log A0/A

∧= 0.693/t 1/2

The rate of a reaction is proportional to the reciprocal of the time taken. Rate α 1 time Rate is inversely proportional to time. Units: s-1, min-1 etc.

The given parameters are as follows:

t1/2=12.3

A0=5.5

A=0.688

t= 2.303/(0.693/12.3) log (5.5/0.688)

t=36.9

t=37 years

Thus, wine was produced 37 years ago (1984 as usual year 15,2021)

To learn more about rate of reaction check the link below:

https://brainly.com/question/24795637

#SPJ4

Answer:

Mass number

Explanation:

All atoms of the same element have the same number of protons, but some may have different numbers of neutrons, which would cause a different mass number

Answer:

The answer is mass number

A beverage with a high congeners content is wine. Congeners are byproducts of the fermentation and distillation processes in alcoholic beverages.

They are responsible for the flavor, aroma, and color of the beverage. Certain beverages, such as wine, contain a relatively high concentration of congeners compared to others.

Wine is produced by fermenting grapes, and the presence of congeners in wine contributes to its distinctive taste and character. Congeners in wine include various organic compounds such as alcohols, esters, and tannins. These compounds can affect the sensory experience and overall quality of the wine.

Other beverages like beer and vodka also contain congeners, but their composition and concentration may differ. Beer is brewed from grains, while vodka is distilled from fermented grains or potatoes. Wine coolers, on the other hand, are typically flavored and carbonated beverages that contain wine as a base.

In summary, wine is an example of a beverage with a high congeners content due to its fermentation process using grapes.

To know more about the Congeners refer here,

https://brainly.com/question/28153388#

#SPJ11

Answer:

Explanation:

D = mass/volume.

for the units, I'll take it in g/L but I don't know which units you want.

4.44*10^5 mg =  0.444 grams.

0.444/7 = 0.0634 g/L

Answer:

Plants can split starch into it's simpler glucose units for use as energy when needed. Cellulose is known as a structural carbohydrate because of the fibers formed by it's molecules. It is the major component of plant cell walls and comprises over half of the carbon found on planets.

Explanation:

I majored in Chemistry

Answer:

chemical formula

Explanation:

What were Lamarck's ideas about evolution and Why were those ideas incorrect?

→ These and other examples show that Lamarck's theory does not explain how life formed and became the way it is. The other way that Lamarck's theory has been proven wrong is the study of genetics. Darwin knew that traits are passed on, but he never understood how they are passed on.

Spheres of power refer to the different areas in which corporations hold influence and power, including economic, political, cultural, and social spheres.

Corporations hold significant power in modern societies, often extending beyond traditional political boundaries. Corporate power is often characterized by the ability to influence public policy, shape public opinion, and control economic markets. Different corporations wield power in different spheres, depending on their size, sector, and geographic location.

Let us consider the example of Apple Inc. to describe the power it wields in different spheres.

Economic Sphere: Apple is one of the world's largest corporations, with a market capitalization of over $2 trillion. It holds significant economic power, controlling a sizable portion of the global smartphone and computer markets. It has been able to leverage its economic power to negotiate favorable trade deals, acquire smaller companies, and invest in research and development.

Political Sphere: Apple has been able to influence public policy through lobbying efforts. For example, it has lobbied for tax breaks and incentives to promote innovation and job creation. Apple has also been involved in high-profile legal battles over privacy concerns and intellectual property rights, with the outcome of these cases having implications for other technology companies.

Cultural Sphere: Apple has a strong brand identity and is often associated with innovation, creativity, and high quality. Its products have become a symbol of status and aspiration for many people, contributing to its cultural power. Apple has also invested in the entertainment industry through its Apple Music and Apple TV+ services, further extending its cultural influence.

Social Sphere: Apple has been able to shape social norms and behaviors through its products and marketing. For example, the iPhone has revolutionized the way people communicate and interact with technology, contributing to the rise of social media and the decline of traditional forms of communication. Apple's marketing campaigns have also had a significant impact on popular culture, influencing fashion trends and consumer behavior.

More on Spheres of power: https://brainly.com/question/32220690

#SPJ11

Answer:

a. 2433 kJ/mol

b. 93 kJ/mol

Explanation:

a) To calculate the enthalpy change of the reaction, we need to use the bond energies of the reactants and products. The enthalpy change is the difference between the energy required to break the bonds in the reactants and the energy released when new bonds are formed in the products. Using the bond energies given:

Reactants:

N≡N: 1 × 945 kJ/mol = 945 kJ/mol

H-H: 3 × 436 kJ/mol = 1308 kJ/mol

Products:

N-H: 2 × 391 kJ/mol = 782 kJ/mol

N-H: 2 × 391 kJ/mol = 782 kJ/mol

N-H: 2 × 391 kJ/mol = 782 kJ/mol

The balanced equation for the reaction is:

N2 + 3H2 → 2NH3

The total energy required to break the bonds in the reactants is:

945 kJ/mol + 1308 kJ/mol = 2253 kJ/mol

The total energy released when new bonds are formed in the products is:

2 × 782 kJ/mol + 2 × 782 kJ/mol + 2 × 782 kJ/mol = 4686 kJ/mol

Therefore, the enthalpy change for the reaction is:

ΔH = energy released - energy required = 4686 kJ/mol - 2253 kJ/mol = 2433 kJ/mol

b) The enthalpy change for the reverse reaction can be calculated using the same approach. The balanced equation for the reverse reaction is:

2NH3 → N2 + 3H2

The total energy required to break the bonds in the products is:

N2: 1 × 945 kJ/mol = 945 kJ/mol

H-H: 3 × 436 kJ/mol = 1308 kJ/mol

The total energy released when new bonds are formed in the reactants is:

N-H: 6 × 391 kJ/mol = 2346 kJ/mol

Therefore, the enthalpy change for the reverse reaction is:

ΔH = energy released - energy required = 2346 kJ/mol - 2253 kJ/mol = 93 kJ/mol

Note that the enthalpy change for the reverse reaction is much smaller than for the forward reaction. This means that the forward reaction is more exothermic and thus more favorable than the reverse reaction.

To determine the volume of hydrogen gas produced when 45.5 grams of methane (CH4) reacts with plenty of steam, we first need to write the balanced chemical equation for the reaction.

When steam (water vapor) is involved in a chemical reaction, it is important to consider its gaseous form, which is water vapor (H2O) in this case. Therefore, the balanced chemical equation for the reaction between methane and steam. From the equation, we can see that 1 mole of methane reacts with 2 moles of water (steam) to produce 4 moles of hydrogen gas.To calculate the volume of hydrogen gas produced, we need to determine the number of moles of methane and then use the stoichiometric ratio to find the moles of hydrogen gas.

To know more about moles visit :

https://brainly.com/question/15209553

#SPJ11

The standard Gibbs free energy change (ΔG∘rxn) for the reaction involving hypochlorous acid (HClO) at 296K is determined using  ΔG∘rxn =-RTln(K), where R is the gas constant, T is the temperature in K.

To calculate ΔG∘rxn, we use the equation ΔG∘rxn = -RTln(K), where R is the gas constant (8.314 J/(mol·K)) and T is the temperature in Kelvin. In this case, the equilibrium constant (K) is determined by the acid dissociation constant (Ka) for HClO. The equilibrium constant expression for the reaction is K = [HClO−][H3O+]/[HClO].

Given that Ka = 2.9 × 10^–8, we substitute this value into the K expression. Next, we calculate ΔG∘rxn using the given temperature of 296 K. By plugging in the values into the equation ΔG∘rxn = -(8.314 J/(mol·K))(296 K)ln(2.9 × 10^–8) and evaluating the expression, we can determine the value of ΔG∘rxn for the reaction involving HClO at 296 K.

To learn more about acid, click here: brainly.com/question/31333804

#SPJ11

Answer:

He became king of the Franks and then conquered other lands.Explanation:

Charlemagne became king of the Franks after the death of his father, Pepin the Short.

He inherited a sizeable portion of land that included what is now France, the Low Countries, and parts of Germany.

Charlemange launched several military campaigns throughout his long reign (he ruled for 46 years), and was highly successful in most of them. He conquered Northern and Central Italy, what is now Switzerland and Austria, and the majority of modern day Germany.

He was crowned Holy Roman Emperor in the year 800 by Pope Leo III. In exchange for this, Charlemange ceded a section of Central Italy to the Pople: the Papal States, which would be under direct control of the Roman Catholic Church until the Napoleonic Era.

Baking soda and ice are pure substances, while blueberry muffins and zinc trimix in a scuba tank are mixtures. Vegetable soup, tea with ice and lemon slices, and fruit are heterogeneous mixtures, while seawater and tea are homogeneous mixtures.

a. Baking soda (NaHCO3) - Pure substance (compound). It is a specific chemical compound with a fixed composition, consisting of sodium (Na), hydrogen (H), carbon (C), and oxygen (O) atoms combined in a definite ratio.

b. Blueberry muffin - Mixture. It is a combination of various ingredients, such as flour, sugar, blueberries, butter, eggs, etc. Muffins are not chemically bonded, so it is considered a mixture.

c. Ice (H2O) - Pure substance. It is a specific form of water in the solid state, consisting of hydrogen and oxygen atoms in a fixed ratio.

d. Zinc trimix in a scuba tank - Mixture. It is a combination of three gases: oxygen, nitrogen, and helium. These gases are physically mixed together in the scuba tank and can be separated.

a. Vegetable soup - Heterogeneous mixture. It contains various visible components like vegetables, spices, and broth, which are not uniformly distributed throughout the soup.

b. Seawater - Homogeneous mixture. Although it contains various dissolved substances, such as salts, minerals, and microorganisms, they are uniformly distributed and cannot be visually distinguished.

c. Tea - Homogeneous mixture. It consists of water and dissolved compounds from tea leaves, such as flavors, aromas, and caffeine. These components are uniformly mixed and not easily distinguishable.

d. Tea with ice and lemon slices - Heterogeneous mixture. It contains visible components like tea, ice, and lemon slices that are not evenly distributed throughout the mixture.

e. Fruit - Heterogeneous mixture. Fruits consist of various tissues, such as pulp, seeds, and skin, which are not uniformly distributed and can be visually distinguished within the fruit.

To know more about pure substances, refer to the link :

https://brainly.com/question/24462192#

#SPJ11

The option for which we can directly compare the Ksp values to determine their relative solubilities are Ag₂CrO₄ and AgBr. Thus, the correct option is A.

Relative solubilities can be directly compared with Ksp values to determine the relative solubilities of Ag₂CrO₄ and AgBr. Solubility Product Constant (Ksp) is the term which is used to describe the equilibrium constant that exists between a solid and its ions in a solution.

In addition to Ag₂CrO₄ and AgBr, the solubilities of the other given compounds cannot be determined using their Ksp values since they are not in the same class of compounds. Ksp can be defined as the product of the concentrations of its ions to a specific power, which is known as the solubility product. For every solute, the Ksp has a unique value. The Ksp is not reliant on the concentration of the solute.

Therefore, the correct option is A.

Learn more about Relative solubilities here:

https://brainly.com/question/26802361

#SPJ11

Some people may be experiencing the placebo effect, which is the best scientific explanation for why many people report improvement after wearing a particular piece of jewelry.

Option A is correct.

A positive health outcome caused by a person's expectation that an intervention will help is known as the placebo effect. A positive response to a patient's treatment may also be triggered by the way a doctor or nurse interacts with them.

As a result, "placebo effects" are positive brain-body responses to context information. Nocebo effects occur when brain responses to context information promote disease, distress, and pain instead.

Question incomplete:

Which of the following is the most likely scientific explanation for why so many people report improvement after wearing this jewelry

A. Some people may be experiencing the placebo effect

B. Some people will say whatever the company pays them to say

C. The ions in the jewelry change the electric field around the body, improving blood flow

D. The ions in the jewelry improve energy flow through the body

Learn more about placebo effect:

brainly.com/question/1173279

#SPJ1

Answer:

B: Sublimation

Explanation:

took the test on edge

Answer:

B on edge 2020

Explanation:

Please give brainliest

Answer: It is not balanced

Explanation:

lets balance it:

H2SO4+2Na+NO2->2HNO2+Na2SO4

if you count number of elements you'll see they are equal at both sides of equation

The conditions are:

1. An enzyme must catalyze the reaction.

2. The reaction must involve a substrate and a product.

3. The substrate concentration must determine the reaction rate.

4. The reaction must follow first-order kinetics.

5. The reaction must be reversible.

6. The enzyme must be in a steady state with respect to the substrate.

7. The enzyme must not be saturated with substrate.

8. The rate of the reaction must be proportional to the amount of enzyme present.

The Michaelis-Menten formality is a mathematical model used to describe the kinetics of an enzymatic reaction, and it is applicable when the following conditions are met:

1. The reaction must be a reversible, single-substrate reaction, meaning that a single substrate binds to the enzyme, forms an enzyme-substrate complex, and then the product is released.

2. The reaction must be at steady state, meaning the rate of formation of the enzyme-substrate complex is equal to the rate of its breakdown.

3. The reaction must be at equilibrium, meaning the concentrations of the enzyme, substrate, and product remain constant.

4. The reaction must follow a simple kinetic mechanism, meaning the rate of the reaction is determined solely by the substrate concentration.

5. The reaction must have an initial rate that is linearly proportional to the enzyme concentration.

6. The reaction must have a Michaelis-Menten constant (Km) that is independent of the enzyme concentration.

7. The reaction must have an enzyme that is not inhibited by the product.

8. There must be a single, rate-limiting step.

To know more about concentration:

brainly.com/question/10725862

#SPJ4

Answer:

Here's what I get  

Explanation:

(i) Voltaic cell

A voltaic cell is a device that uses a chemical reaction to produce electrical energy.

(ii) Overall Cell Potential

The standard reduction potentials for the half-reactions are

                               ℰ°/V

Cu²⁺ + 2e⁻ ⇌ Cu    0.34

Zn²⁺ + 2e⁻ ⇌ Zn   -0.76

The half-reaction with the more positive potential is the reduction half-reaction. It is the reaction that occurs at the cathode.

The half-reaction with the more negative potential is the oxidation half-reaction. It is the  reaction that occurs at the anode.

We reverse that half-reaction and subtract the voltages to get the cell reaction.

                                                          ℰ°/V

Cathode:  Cu²⁺ + 2e⁻ ⇌ Cu              0.34

Anode:     Zn ⇌ Zn²⁺ + 2e⁻              -0.76

Cell:          Zn +  Cu²⁺ ⇌ Zn²⁺ + Cu    1.10

\(\mathcal{E}_{\text{cell}}^{\circ} = \mathcal{E}_{\text{cat}}^{\circ} - \mathcal{E}_{\text{an}}^{\circ} = \text{0.34 V} - \text{(-0.76 V)} = \text{0.34 V} + \text{0.76 V} = \textbf{1.10 V}\)

(iii) Diagram

The specific labels will depend on your textbook.

They are often as follows.

a. Electron flow

b. Voltmeter or lightbulb

c. Electron flow

d. Cathode or Cu

e. Cu²⁺(aq) and NO₃⁻(aq)

f. Salt bridge

g. Zn²⁺(aq) and NO₃⁻(aq)

h. Anode or Zn

The salt bridge enables ions to flow in the internal circuit and to maintain electrical neutrality in the two compartments.

It often consists of a saturated solution of KCl.

As Zn²⁺ ions form in the anode compartment, Cl⁻ ions move in to provide partners for them.

As Cu²⁺ ions are removed from the cathode compartment, K⁺ ions move in to replace them.

Answer:a. Electron flow

b. Voltmeter or lightbulb

c. Electron flow

d. Cathode or Cu

e. Cu²⁺(aq) and NO₃⁻(aq)

f. Salt bridge

g. Zn²⁺(aq) and NO₃⁻(aq)

h. Anode or Zn

Explanation:

Answer: 1.0 M

Explanation:

250 mL = 0.25 L

molarity = (moles of solute)/(liters of solution) = 0.25/0.25 = 1.0 M

Explanation:

Using the law of the conservation of linear momentum P:

P_i = P_fP

i

=P

f

so:

M_mV_{mi}+M_pV_{pi} = M_sV_sM

m

V

mi

+M

p

V

pi

=M

s

V

s

where M_mM

m

is the mass of the man, V_{mi}V

mi

is the initial velocity of the man, M_pM

p

is the mass of the puck, V_{pi}V

pi

is the initial velocity of the puck, M_sM

s

is the mass of the puck and the man and V_sV

s

is the velocity of both after the collition.

Replacing values, we get:

(80kg)(0m/s)+(0.17kg)(20m/s) = (80kg + 0.17kg)V_s(80kg)(0m/s)+(0.17kg)(20m/s)=(80kg+0.17kg)V

s

Finally, solving for V_sV

s

:

V_sV

s

=0.0424m/s

The electronic configuration of the Ru2+ cation would not change in this environment, as it is determined by the number of protons and electrons in the ion itself.

In order to determine the expected electronic configuration for a ruthenium cation in a ceramic (ionic) solid, we need to know the oxidation state of ruthenium.

Ruthenium (Ru) is a transition metal that can exhibit a range of oxidation states, but its most stable oxidation state is +2. In this state, it loses two electrons to form a cation with a charge of +2.

In an ionic solid, the ruthenium cation would be surrounded by negatively charged ions, such as oxygen (O2-) or fluorine (F-), which would be attracted to the positively charged cation.

To determine the electronic configuration of the ruthenium cation, we can use the aufbau principle to fill the orbitals in order of increasing energy.

The electronic configuration of Ru in its ground state is [Kr]4d^7 5s^1.

When ruthenium loses two electrons to form the Ru2+ cation, the two electrons will be lost from the 5s orbital, leaving an electronic configuration of [Kr]4d^7.

In a ceramic (ionic) solid, the ruthenium cation would likely be surrounded by anions such as oxygen (O2-) or fluorine (F-), which would form a lattice structure with the ruthenium cations.

Learn more about ruthenium cation here: https://brainly.com/question/30656394

#SPJ1

Answer: See Explanation

Explanation:

When the volume of a gas is decreasing at a constant pressure, the temperature of the gas will increase. This is because of the relationship between the pressure, volume, and temperature of a gas, which is described by the Ideal Gas Law (PV = nRT), where P is pressure, V is volume, n is the number of moles of gas, R is the ideal gas constant, and T is the temperature.

In this scenario, the pressure is constant, and the volume is decreasing, so the product PV must remain constant in order to maintain the balance of the equation. Therefore, the only way to balance this equation is to increase the temperature T, in order to make the product PV remains constant.

This relationship is also described by Gay-Lussac's Law, which states that the pressure of a fixed mass of a gas is directly proportional to its absolute temperature at a constant volume. This means that if the volume of the gas is decreasing, the pressure will remain constant, the only way to balance the equation is to increase the temperature.

So in conclusion, as the volume of a gas decreases at constant pressure, the temperature of the gas will increase.

Answer:

30.0 moles of H2SO4 are needed to react with 10.0 moles of Fe(OH)3.

Explanation:

The balanced chemical equation for the reaction between H2SO4 and Fe(OH)3 is: Fe(OH)3 + 3H2SO4 → Fe2(SO4)3 + 3H2O According to the equation, 1 mole of Fe(OH)3 reacts with 3 moles of H2SO4. Therefore, to determine how many moles of H2SO4 are needed to react with 10.0 mol of Fe(OH)3, we need to use the mole ratio between Fe(OH)3 and H2SO4: 10.0 mol Fe(OH)3 x (3 mol H2SO4 / 1 mol Fe(OH)3) = 30.0 mol H2SO4.

Therefore, 30.0 moles of H2SO4 are needed to react with 10.0 moles of Fe(OH)3.

Answer:

Its B :)

Hope this helps

Image B will shows the butter particles before and after thermal energy will be transferred to the solid butter by heating. So, the correct option is B.

The energy present in a system that determines its temperature is referred to as thermal energy. Thermal energy flows as heat. Thermodynamics is a whole field of physics that studies how heat is transmitted across various systems and how work is performed in the process.

The butter particles in Picture B are shown both before and after the solid butter has been heated to transmit thermal energy to it. This image shows a solid butter particle with tightly packed molecules, however when the butter is heated, it melts into a liquid form with loosely packed molecules.

Thus, the correct option is B.

Learn more about Thermal energy, here:

https://brainly.com/question/11278589

#SPJ3

Answer:Easter Islanders Didn't Cause Ecological Disaster on Their Island, New Research Finds. New research provides evidence contrary to the widely-held belief that the prehistoric population of Easter Island (Rapa Nui) caused an ecological disaster through rapid deforestation and over-exploitation of natural resources.

Answer:

159.3 grams Al

Explanation:

1 Mol of Al = 27 grams, so:

5.9 Mol Al (27g/1mol) = 159.3 grams Al

The Mol gets canceled out, leaving the unit of grams.