how many atoms are in hydrogen

Answer:

I agree with D

Explanation:

Took the test on Edge

The characteristic do all parts of the electromagnetic spectrum share is that they travel at the same speed through empty space. The speed of these waves are the speed of light in vacuum.

Electromagnetic spectrum is the arrangement of different types of radiations in the order of their increasing frequency or decreasing wavelength.

The order of the waves in the increasing order of frequency is radio waves, microwaves, infrared rays, visible light, ultraviolet rays, x-rays and gamma rays.

The frequency and wavelength of all these waves are different. However, they travel at the same speed in  empty space equal to the speed we say for the light.

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Aristotle claims that the function of human life is rational activity.

He believed that humans have a unique capacity for reason and that the ultimate goal of human existence is to use this reason to achieve eudaimonia or a state of flourishing and happiness. While survival and reproduction may be necessary for human existence, Aristotle believed that they are not the ultimate purpose of life.

Similarly, while serving the gods may be important for some individuals or cultures, Aristotle's philosophy focuses on individual human flourishing through rational activity. Pursuing pleasure may be one aspect of a fulfilling life, but it is not the ultimate goal. Instead, Aristotle argued that rational activity, including virtues such as wisdom and courage, is necessary for achieving eudaimonia and living a fulfilling life.

The complete question can be as follows:

Aristotle claims that the function of human life is?

a. survival and reproduction.

b. service to the gods.

c. rational activity.

d. to pursue pleasure

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The owls in the certain area located in the picture represent a population, they are formed up as a small group of animals representing a small species.

The level of ecological organization that all owls in a given area represent is the population of owls in a given area.

In ecology, the organism, population, community, ecosystem, and biosphere are among the levels of organization. A population is a collection of creatures from the same species that coexist in one location and communicate with one another.

Researchers in the field of ecology focus on five major levels: organism, population, community, ecosystem, and biosphere. These levels are sometimes studied separately and other times they overlap. Let's examine each stage one by one.

The owls in the particular location shown in the image are a population; they are made up of a few individuals representing a single small species.

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Deming synthesized the underlying foundations of the 14 points of improving quality into simple elements called the "Deming's 14 Points for Management." These principles were developed by W. Edwards Deming, a prominent quality management thinker and statistician, and are often considered a cornerstone of total quality management (TQM) philosophy.

While the specific term or phrase for the elements that Deming used to summarize the 14 points may not be explicitly mentioned, they can be understood as a set of guiding principles or key concepts that encapsulate his overall philosophy on quality management. These principles emphasize the importance of continuous improvement, customer focus, employee involvement, and the systematic management of processes to achieve higher quality and organizational effectiveness.

Overall, Deming's 14 Points for Management provide a comprehensive framework for organizations to enhance their quality management practices and drive sustainable improvement.

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It is B, From the bottom of the pyramid to the top

Molecules of glucose (blood sugar) contain 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms.

Hope this helped :)

The empirical formula for the compound with 46.66% carbon, 4.48% hydrogen, 31.09% nitrogen, and 17.76% oxygen is C7H8N4O2.

To find the empirical formula for a compound with the given percentages, we need to convert the percentages to moles, determine the mole ratios, and simplify to the smallest whole numbers.

Assume we have 100 grams of the compound, so the mass of each element is:

Carbon (C): 46.66 g

Hydrogen (H): 4.48 g

Nitrogen (N): 31.09 g

Oxygen (O): 17.76 g

Convert the mass of each element to moles using their respective molar masses:

Carbon (C): 46.66 g / 12.01 g/mol = 3.887 moles

Hydrogen (H): 4.48 g / 1.008 g/mol = 4.444 moles

Nitrogen (N): 31.09 g / 14.01 g/mol = 2.219 moles

Oxygen (O): 17.76 g / 16.00 g/mol = 1.110 moles

Determine the mole ratios by dividing each mole value by the smallest mole value:

Carbon (C): 3.887 moles / 1.110 moles = 3.50

Hydrogen (H): 4.444 moles / 1.110 moles = 4.00

Nitrogen (N): 2.219 moles / 1.110 moles = 2.00

Oxygen (O): 1.110 moles / 1.110 moles = 1.00

Multiply each mole ratio by a suitable whole number to obtain the simplest whole number ratios:

Carbon (C): 3.50 × 2 = 7

Hydrogen (H): 4.00 × 2 = 8

Nitrogen (N): 2.00 × 2 = 4

Oxygen (O): 1.00 × 2 = 2

The empirical formula for the compound is C7H8N4O2.

The empirical formula for the compound with 46.66% carbon, 4.48% hydrogen, 31.09% nitrogen, and 17.76% oxygen is C7H8N4O2. This formula represents the simplest whole number ratio of atoms in the compound based on the given percentages and allows us to understand the relative composition of elements in the compound.

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If more \(H_{2}\) and \(N_{2}\) are added to the reaction 3\(H_{2}\) + N2 → 2\(NH_{3}\) after it reaches equilibrium, two events will occur Shift in Equilibrium and Increased Yield of \(NH_{3}\)

1. Shift in Equilibrium: According to Le Chatelier's principle, when additional reactants are added, the equilibrium will shift in the forward direction to consume the added reactants and establish a new equilibrium. In this case, more \(NH_{3}\) will be produced to counteract the increase in \(H_{2}\) and \(N_{2}\).

2. Increased Yield of \(NH_{3}\): The shift in equilibrium towards the forward reaction will result in an increased yield of \(NH_{3}\). As more \(H_{2}\) and \(N_{2}\) are added, the reaction will favor the production of \(NH_{3}\) to maintain equilibrium. This will lead to an increase in the concentration of \(NH_{3}\) compared to the initial equilibrium state.

It is important to note that the equilibrium position will ultimately depend on factors such as the concentrations of \(H_{2}\), \(N_{2}\), and \(NH_{3}\), as well as the temperature and pressure of the system. By adding more reactants, the equilibrium will adjust to achieve a new balance, favoring the formation of more \(NH_{3}\).

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Answer:

moon

Explanation:

1. An increase in concentration increases the speed of reaction.

2. When temperature increases, average speed of molecules increases.

3. Average kinetic motion of molecules in a solution can be measured by measuring the heat in the solution.

As concentration increases, number of molecules in the solution increase, hence the reaction becomes faster. Since these factors increase in value, the frequency of collisions between the reactant molecules in the solution will increase, so the probability of collisions in right orientation and with right energy will be higher. Increase in temperature will increase the average speed and kinetic energy of the  molecules in solution. At constant volume, increased speed of reactant molecules in the solution will increase the probability of collisions in right orientation and right energy. Average kinetic energy of molecules in a solution can be measured using the equation, E=kT , where k = Boltzmann constant.

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Answer:

2.0 x 10²³ atoms Au = 65.4g

1.5 x 10²³ atoms Pb = 51.6g

7.9 x 10²¹ atoms U = 3.1g

Explanation:

We want to convert each to grams.

We can use dimensional analysis to do so.

Kindly view the attached image for work.

1.) 2.0 x 10²³ atoms Au

Needed conversions:

Math: (2.0x10²³atoms)/(6.022x10²³atoms) x 196.966g = 65.4g

2.) 1.5 x 10²³ atoms lead

Needed conversions:

Math: (1.5x10²³atoms)/(6.022x10²³atoms) x 207.2g = 51.6g

3.) 7.9 x 10²¹ atoms U

Needed conversions:

Math: (7.9x10²¹atoms)/(6.022x10²³atoms) x 238.029g = 3.1g

The time it takes for the sample to decay to 1.00x10^10 atoms is 29.4 years.

The half-life is the time it takes for half of the original sample to decay.

Given:

Original number of atoms (N₀) = 4.00x10^10

Final number of atoms (N) = 1.00x10^10

Half-life (t₁/₂) = 14.7 years

We can use the decay formula : N = N₀ * (1/2)^(t / t₁/₂)

where N is the final number of atoms, N₀ is the original number of atoms, t is the time it takes for decay, and t₁/₂ is the half-life.

Let's substitute the given values : 1.00x10^10 = 4.00x10^10 * (1/2)^(t / 14.7)

Now we can solve for t:

(1/2)^(t / 14.7) = 1/4

Taking the logarithm base 1/2 on both sides : t / 14.7 = log base 1/2 (1/4)

t / 14.7 = log base 2 (1/4) / log base 2 (1/2)

Simplifying the logarithms:

t / 14.7 = log base 2 (1/4) / log base 2 (2)

Since log base 2 (2) equals 1 : t / 14.7 = log base 2 (1/4)

Using the logarithm property log base a (1/b) = -log base a (b):

t / 14.7 = -log base 2 (4) = -2

t = -2 * 14.7 = -29.4 years

Since time cannot be negative in this context, we take the absolute value : t = 29.4 years

Therefore, the time it takes for the sample to decay to 1.00x10^10 atoms is 29.4 years.

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He/she will add heat because it is the only thing that will react for every substance.

Answer:

If there is a decrease in the amount of carbon dioxide or methane, the amount of energy leaving the Earth system increases, so less energy enters than exits. When less energy enters than exits, Earth's surface absorbs less energy.

Explanation:

Answer: Postindustrial

Explanation:

I just took the test hope this helps: )

Answer: A: Postindustrial

Explanation:

Answer:

wrong.

Explanation: charged atoms have have more electrons than neural because  they charge it . a  neural atom has eaqual number of electrons and neutrons.

hope this helps(^人^)

One can observe two ionization energy bands in the photoelectron spectra of potassium.

The number of ionization energy bands that can be found in photoelectron spectroscopy depends on the specific atom or molecule being studied, as well as the conditions under which the spectroscopy is performed.

For potassium, the most common form of photoelectron spectroscopy is X-ray photoelectron spectroscopy (XPS), which typically results in the observation of two ionization energy bands one corresponding to the removal of an electron from the 1s orbital and another corresponding to the removal of an electron from one of the higher-energy orbitals, such as the 2p or 2s orbitals.

It's worth noting that the number of ionization energy bands observed can be influenced by various factors, such as the level of energy resolution of the spectrometer and the presence of impurities or other chemical species in the sample. Additionally, the presence of spin-orbit coupling can give rise to additional, splitted peaks in the XPS spectra, which would increase the number of ionization energy bands observed.

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The ionization constant Ka of the acid is 1 x 10^-7

Define weak acids .

When an acid cannot fully perform the dissociation process when dissolved in an aqueous solution, it is categorized as a weak acid. Formic acid and hydrofluoric acid are two examples of such acids.

Given:

Molarity = 0.10M

pH = 4

Consider acid as HA

Reaction can be written as HA ⇋  H+  + A-

Constant, Ka is [H+] [A]/ [HA]

Taking [H+]  and [A] as 'x'

Ka will be x*x/ 0.10-x

We know pH is -log[H]

[H] will be 10^-4 i.e 'x'

Ka will now become (10^-4 * 10^-4)/ 0.1-10^-4 i.e. 10^-7

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Answer:

Bigger particals first but I would say rocks or pebbles

Explanation:

During flood, when the stream slows down, the clay and sand sediments will deposited first sinc particle size is small.

Flood is a natural calamity where, the water reservoirs overflows to the land area and leads to destruction in buildings and houses. The results depends on the speed of water flow.

Flood occurs due to the pressure difference beneath water and due to heavy rain. There are many more evidences, that flood caused significant losses in land areas in many coutries.

The flow of particles with the stream bed depends on their size and weight. The massive particles will only flow and sediment when the stream flows with greater speed. Thus, sand and clay particles sediment first and other heavy particles will flow slowly and deposit later.

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Answer:

Option B and A

Explanation:

The balanced nuclear equation for the given reaction is:
249 98 Cf + 80 18 O → 263 106 Sg + 4 2 He
The new nuclide is 263 106 Sg.

To find the new nuclide produced in this reaction, we need to balance the nuclear equation. Given the information, we have:
¹⁸O + ²⁴⁹Cf → x + ⁴He
Here, ¹⁸O is the oxygen nucleus, ²⁴⁹Cf is the californium target, x is the new nuclide we want to find, and ⁴He is an alpha particle.
To balance the equation, we need to conserve the mass numbers (superscripts) and atomic numbers (subscripts):
Mass numbers: 18 + 249 = 4 + A_x
Atomic numbers: 8 + 98 = 2 + Z_x
Solving for A_x and Z_x:
A_x = 263
Z_x = 104
So, the new nuclide produced in this reaction is:
²⁶³₁₀₄Rf
This is the nuclide Rutherfordium-263 (Rf-263).

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The balanced nuclear equation is: ²⁰O + ²⁵²Cf → ¹²⁶Sg + 4¹n The new nuclide is Seaborgium.

Here, the oxygen nucleus (²⁰O) collides with a californium target (²⁵²Cf) to produce the new nuclide, which is seaborgium (¹²⁶Sg), and 4 neutrons (¹n). In this reaction, the new nuclide formed is seaborgium (¹²⁶Sg).

Based on the equation ²⁰O + ²⁵²Cf → ¹²⁶Sg + 4¹n, the new nuclide formed as a result of the experiment is seaborgium (Sg), with an atomic number of 126. Seaborgium is a synthetic element that is highly unstable and has a very short half-life, making it difficult to study and characterize. It is named after Glenn T. Seaborg, a prominent American nuclear chemist who made significant contributions to the field of nuclear chemistry.

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Answer:

2 moles

Explanation:

its 2 moles lang po not 4,5,6,7,8,9 and so on

A thermodynamic equilibrium constant is the one calculated from the standard free energy change for a reaction, while an experimental equilibrium constant is calculated from the ratio of concentrations measured at equilibrium.

An experimental equilibrium constant is determined by performing an experiment. In an experimental equilibrium constant, the ratio of concentrations is determined by measuring the concentration of the reactants and the products when the reaction reaches equilibrium.A thermodynamic equilibrium constant is determined without performing an experiment. It is determined by calculating the ratio of the equilibrium concentrations to the standard-state concentrations.

For example, the equilibrium constant for the reaction: A ⇋ B can be calculated from the standard free energy change as follows:ΔG° = - RT ln Kcwhere Kc is the thermodynamic equilibrium constant.To calculate the standard entropy change of the reaction, the equation is:ΔS° = (3 × 240.1 J/K – 2 × 146.4 J/K – 1 × 69.9 J/K) / (1000 J/K) = + 0.21 J/KCalculation of the entropy of the reaction is done by using the equation, ΔS = ∑S products - ∑S reactantsGiven that 3NO2(g) + H2O(l) → 2HNO3(l) + NO(g) has the entropy of reactants as 3 (S NO2(g)) + 1 (S H2O(l)) = 3 (240.1 J/K) + 1 (69.9 J/K) and entropy of products as 2 (S HNO3(l)) + 1 (S NO(g)) = 2 (146.4 J/K) + 1 (239.9 J/K).

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Answer:

velocity = 100 km/h

Explanation:

To calculate the velocity given the distance travelled and the time taken, we can use the following formula:

\(\boxed{\mathrm{velocity = \frac{distance \ travelled}{time \ taken}}}\).

In the question, we were told that Ayana travelled 60 km in 0.6 h. Using this information and the formula above, we can calculate Ayana's velocity:

velocity = \(\frac{60 \ km}{0.6 \ h}\)

             = 100 km/h

Therefore, her velocity was 100 km/h.

No, it does not pass the "fat pencil" test. Therefore, a normal distribution is not a reasonable model. Option B is the correct answer.

The "fat pencil" test is a quick visual check to determine if a dataset can be reasonably approximated by a normal distribution. In this case, the pH readings of wastewater show a significant deviation from a normal distribution. The presence of several low pH values (1.0) and a few high pH values (10.0, 10.5, 11.4) indicate a non-normal distribution with skewness and potential outliers. Therefore, it is not reasonable to model these data using a normal distribution.

Option B is the correct answer.

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The study of substances that contain carbon and its compounds is called the study of organic chemistry.

Organic chemistry is the study and examination of the composition, reactions, and practices of molecules containing carbon. The majority of natural compounds are composed of carbon and hydrogen, but they also include a wide range of other elements (such as nitrogen, oxygen, halogens, phosphorus, silicon, and sulfur) in all of their compounds. A hydrocarbon is a naturally occurring compound that contains carbon, hydrogen, and is found in substances like crude oil, natural gas, and coal. The world's primary source of electricity and particularly flammable are hydrocarbons. Gasoline, jet fuel, propane, kerosene, and diesel are just a few examples of the fuels it can be used with.

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