How many grams of ammonia are made if 23.5 grams of diatomic hydrogen reacts?

The reason behind the acceptance of Darwin's theory is D It is supported by practical evidence and examples.

The theory of evolution proposed by Charles Darwin is a well sustained model that explains how animals change in order to adapt to an ever-changing enviroment, which is supported by scientific evidence and observations.

Therefore, with this data, we can see that the theory of evolution proposed by Charles Darwin is well sustained by evidence obtained from experimentation and also observations of the natural world.

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Answer:

pH = 9

Explanation:

pOH = -log[OH-] = -log(1.0 x10^-5) = 5

pOH + pH = 14

pH = 14 - 5 = 9

The option that describe if the weak base is stronger than the weak acid is option B which is the value of Ka<Kb.

A weak acid is an acid that donates hydrogen ions (H+) to a solution only partially. For example, acetic acid (CH3COOH) is a weak acid that partially ionizes in water to produce H+ and acetate ions (CH3COO-). The equilibrium constant for this reaction (known as the acid dissociation constant or Ka) is relatively small, indicating that the reaction proceeds to a limited extent.

Similarly, a weak base is a base that only partially accepts hydrogen ions (H+) from a solution. For example, ammonia (NH3) is a weak base that partially ionizes in water to produce hydroxide ions (OH-) and ammonium ions (NH4+). The equilibrium constant for this reaction (known as the base dissociation constant or Kb) is relatively small, indicating that the reaction proceeds to a limited extent.

In general, weak acids and bases are less reactive than strong acids and bases because they do not dissociate completely into ions. However, they are still important in many chemical and biological processes, such as the buffering of solutions and the regulation of pH in the

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Answer: 0.002 m³

Explanation:

We can use our unit conversions to find the volume in m³.

\(2L*\frac{1m^3}{1000L} =0.002m^3\)

Answer:

Cu, Zn(NO3)2

Explanation:

Zn is more reactive than Cu, so Cu will be displaced (replaced) in the reaction above.

Answer:

actually it is...

Explanation:

Zn (NO3)2 +Cu

Phospholipids are amphipathic molecules, meaning they have both hydrophobic and hydrophilic regions. In an aqueous environment like water, phospholipids arrange themselves into a bilayer structure, with the hydrophobic tails oriented inward and the hydrophilic heads facing outward towards the water.

In a hydrophobic substance like methane, phospholipids would not form a bilayer structure because there would be no polar environment for the hydrophilic heads to interact with. Instead, phospholipids would likely aggregate or create different structures to minimize their exposure to the hydrophobic environment.

Forming a bilayer structure is crucial for the function of cell membranes, as it provides a selectively permeable barrier. In a hydrophobic substance like methane, the absence of a bilayer structure would result in increased membrane permeability. The hydrophobic substance could penetrate and disrupt the lipid structure more efficiently, compromising the membrane's ability to regulate the passage of ions, molecules, and other substances.

Therefore, the absence of a polar environment like water would affect the formation of the phospholipid bilayer.

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Answer:

Specific chemical sugar glucose

Explanation:

When we say “blood sugar,” we mean the specific chemical sugar glucose. Diabetes is all about glucose. There lots of sugars….table sugar is sucrose, malt sugar is maltose, milk sugar is lactose, and you’ve probably heard of fructose.

Blood sugar, or glucose, is the main sugar found in your blood. It comes from the food you eat, and is your body's main source of energy. Your blood carries glucose to all of your body's cells to use for energy.

Pls mark me brainiest and my name is Misty.

Answer: 10.865

Explanation:

The molarity of the solution is \(\frac{0.0003}{0.410}=0.0007317073 \text{ M}\).

So, the pOH is \(-\log(0.0007317073)=3.135\)

Since pH + pOH = 14, the pH is 14-3.135, which is about 10.865

Answer:

16.7 %(m/m)

Explanation:

The percent by mass of a solution (% m/m) is defined as 100 times the ratio of the mass of solute (The substance in the lower amount, NaCl) and the mass of the solution = Mass solute + Mass Solvent (water).

Mass Solution:

100g NaCl + 500g water = 600g solution

Mass Percent:

100g NaCl / 600g solution * 100

= 16.7 %(m/m)

9 protons, 10 neutrons, and 9 electrons are the characteristic property of given atom. Therefore, the correct option is option B.

The smallest unit of matter that may be split without producing electrically charged particles is the atom. It is also the smallest piece of substance with chemical element-like characteristics. As a result, the atom serves as the fundamental unit of chemistry.

Space makes up the majority of an atom. The remainder is made up of a cloud of electrons with negative charges around a positive-charged nucleus made up of protons and neutrons. Compared to electrons, that are the smallest charged particles in nature, the nucleus is tiny and dense. 9 protons, 10 neutrons, and 9 electrons are the characteristic property of given atom.

Therefore, the correct option is option B.

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Answer:  Disdain

Explanation: Deborah believes that people of other nationalities are inferior to her. she treats them with disdain and does not miss an opportunity to abuse them.

The orbital period of the asteroid, carried out to 4 significant digits, is approximately 1652.0 years.

To find the orbital period (P) of an asteroid with a given semi-major axis (a), we can use Kepler's third law:

a³ = P²

Given that the semi-major axis (a) is 73.4 AU, we can substitute this value into the equation and solve for the orbital period (P):

(73.4 AU)³ = P²

(73.4)³ AU³ = P²

P² = (73.4)³ AU³

Taking the square root of both sides:

P = sqrt((73.4)³) AU

Using a calculator to evaluate the expression, we find:

P ≈ 1652.0 AU

Therefore, the orbital period of the asteroid, carried out to 4 significant digits, is approximately 1652.0 years.

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Answer

The location below the earth's surface where the earthquake starts is called the hypocenter, and the location directly above it on the surface of the earth is called the epicenter. Sometimes an earthquake has foreshocks. These are smaller earthquakes that happen in the same place as the larger earthquake that follows.

Explanation:

Total time of the archeological sample is 5730×3 or 17190 years.

Civilization describes a complex way of life that came about as people by the  began to develop networks of urban of settlements. The earliest and civilizations developed between 4000 and 3000 B.C.E., when it is  the rise of agriculture and trade allowed people to have surplus of the food and economic stability.

The half life of a decaying radioactive element is the time taken for the sample of atom to decay to 50 percent of the original mass

Here 12.5 percent of sample remains

Means first half life to =50 percent

Then second half life to= 25 percent

Then third half life to= 12.5 percent

So three half life taken

Here carbon 14 half life period is 5730 years

So total time of the archeological sample is 5730×3 or 17190 years

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250.0 ml of water must be added to 500.0 ml of a 3.00 M HCl solution to obtain a solution that is 2.00 M.

To calculate the amount of water that needs to be added to a 500.0 ml of 3.00 M HCl solution to obtain a 2.00 M solution, we can use the following formula: M₁V₁ = M₂V₂

Where: M1 = initial concentration of the HCl solution = 3.00 M

V₁ = initial volume of the HCl solution = 500.0 ml

M₂ = final concentration of the HCl solution = 2.00 M

V₂ = final volume of the HCl solution (i.e. the volume of the HCl solution after water has been added)

Solving for V₂:

M₁V₁ = M₂V₂

(3.00 M) (500.0 ml) = (2.00 M) V2

V₂ = (3.00 M x 500.0 ml) / (2.00 M)

V₂ = 750.0 ml

Therefore, the final volume of the HCl solution after water has been added is 750.0 ml. Since we started with 500.0 ml of HCl solution, we need to add:

750.0 ml - 500.0 ml

= 250.0 ml

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1) Allowed

2) Not allowed

3) Not allowed

4) Not allowed

5) Not allowed

6) Not allowed

7) Allowed

8) Allowed

9) Allowed

10) Not allowed

Atomic orbitals are filled with electrons according to the Aufbau principle and Hund's rule, following the electron configuration of the elements in the periodic table.

The Aufbau principle states that electrons fill orbitals in increasing energy levels starting from the lowest energy level. Hund's rule states that electrons occupy orbitals of equal energy singly before pairing up with another electron of opposite spin. The electron configuration is determined by the number of protons in the nucleus, which is the atomic number of the element. The electron configuration determines the electron arrangement in the atom and its chemical properties.

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When the following reaction is correctly balanced, three electrons are transferred.

Al3+(aq) + K(s) → Al(s) + K+(aq),

To determine the number of electrons transferred in a redox (reduction-oxidation) reaction, we need to analyze the change in oxidation states of the elements involved. In this reaction, aluminum (Al) undergoes reduction, while potassium (K) undergoes oxidation.

Initially, aluminum is in the +3 oxidation state (Al3+), and it is reduced to elemental aluminum (Al), where its oxidation state becomes zero. This reduction involves the gain of three electrons.

On the other hand, potassium is in its elemental form (K) with an oxidation state of zero, and it is oxidized to form K+ with a +1 oxidation state. This oxidation involves the loss of one electron.

Since three electrons are gained during the reduction of aluminum and one electron is lost during the oxidation of potassium, a total of three electrons are transferred in the balanced reaction.

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Answer:

Al

Explanation:

Al = Aluminum

Answer:

b is ur answer the temputer does increase

Explanation:

The concentration of A decreases and then levels out. Option A

In many chemical reactions, a reactant is consumed as the reaction progresses, leading to a decrease in its concentration over time. The reactant molecules are transformed into products, and as the reaction proceeds, the concentration of the reactant gradually diminishes.

At equilibrium, the concentrations of both reactants and products remain relatively constant over time, although they can coexist.

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The pressure of the gas would now be 2/3 of its initial value.

We know that we can be able to use the ideal gas equation to be able to obtain the parameters that concern gases. In this case, we are dealing with the volume, temperature and volume all at once hence we need to use the general gas equation.

Initial pressure of the gas P1 = P

Final pressure of the gas P2 = ??

Initial volume of the gas V1 = V

Final volume of the gas V2 = 3V

Initial temperature of the gas T1 = T

Final temperature of the gas = 2T

P1V1/T1 = P2V2/T2

P1V1T2 = P2V2T1

P2 = P1V1T2/V2T1

P2 = P * V * 2T/3V * T

P2 = 2/3P

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Answer:

we know that it was the vinegar and baking soda because gas had been created, the gas was held within the bubbles. the gas that was created was called Carbon Dioxide or CO2

When considering the precise mass, the particle has the greatest mass is the neutrons.

The Neutron is the heaviest among all the subatomic particles with the  mass of the  1.0087 amu, and the proton has the mass of the 1.0073 amu. The Positron and the electron both have the mass of the 0.00055 amu.

The difference in between the mass  of the neutron and the proton is very small. This is the reason that they are both have the relative mass of the one atomic mass unit. The mass of the neutron in the grams  is the  1.674 × 10⁻²⁴ grams.

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Answer:

The feedback loop involving water vapor and temperature is a positive feedback loop. As temperature increases, the amount of water vapor that can be held in the atmosphere also increases. This leads to an increase in the amount of water vapor in the atmosphere, which further amplifies the greenhouse effect and contributes to additional warming.

In other words, warmer temperatures lead to more water vapor in the atmosphere, which traps more heat, causing further warming, and so on. This positive feedback loop can amplify the initial warming effect caused by other factors such as greenhouse gas emissions or changes in solar radiation.

Conversely, if the temperature decreases, the amount of water vapor that can be held in the atmosphere decreases, which can lead to a decrease in the amount of water vapor present in the atmosphere, reducing the greenhouse effect and contributing to cooling. However, this negative feedback loop is weaker than the positive feedback loop described above, and it tends to be dominated by the positive feedback loop under most circumstances.

The compound that gives a 1H NMR spectrum consisting of only a singlet is option B) Br.

In nuclear magnetic resonance (NMR) spectroscopy, a singlet refers to a signal in which all of the individual magnetic nuclei emit at the same frequency, resulting in a single peak on the NMR spectrum. As a result, a compound that gives a 1H NMR spectrum consisting of only a singlet has only one unique hydrogen atom. Here's how to solve the question.The correct option is B) Br.Explanation:In the given compounds, the molecule that gives a 1H NMR spectrum consisting of only a singlet will have only one type of hydrogen atom. Because of this, when the molecule is irradiated with radio waves of the correct frequency, only one unique signal will be emitted, resulting in a single peak on the NMR spectrum.

Now let's look at the compounds given:

Option A: Br BrThis compound contains two types of hydrogen atoms, and the H atoms on the left side and right side of the molecule are chemically non-equivalent. As a result, this compound will give an NMR spectrum with two different peaks.

Option B: BrThis compound contains only one type of hydrogen atom, and all of the H atoms are chemically equivalent. As a result, this compound will give an NMR spectrum with only a single peak.

Option C: This compound contains only carbon and bromine atoms and no hydrogen atoms, and thus it will not produce an NMR spectrum.

Option D: Br Br Br Br BrThis compound contains five types of hydrogen atoms and all of the H atoms are chemically non-equivalent. As a result, this compound will give an NMR spectrum with five different peaks.

Therefore, the compound that gives a 1H NMR spectrum consisting of only a singlet is option B) Br.

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Answer:

The unit of molar mass is kg/mol. Where, m = mass, v = velocity.

Hope that helps :)

Answer: Two, Wobble, Eclipsing.

Explanation:

A binary star system is made of two stars, one of which is brighter than the other. Astronomers are able to detect the dimmer star because its gravity causes the bright star to wobble. Astronomers can also spot the dimmer star by observing a phenomenon called an eclipsing binary.

Answer:

Two, Wobble, Eclipsing.

Explanation: