What are the names, symbols, and atomic numbers of the nonmetal elements that are NOT gasses?

Answer:

(e) 1

Explanation:

Each atom has some energy levels and each energy level requires an electron to have certain amount of energy to reside in that energy level. Similarly, in order to excite the hydrogen atoms to a state n =6, its electrons must be provided a certain amount of energy that is constant. This energy is provided in form of photons. These photons have a constant wavelength as a result of constant energy. So, when these electrons go back to the ground state, they emit photons of same wavelength to release the energy they absorbed. Hence, only 1 wavelength is produced when atoms relax to their ground state from n = 6.

Therefore, the correct answer will be:

(e) 1  

Answer:

One mole of water was produced from this reaction.

Explanation:

According to this question, the following equation is given as follows:

2H2 + O2 → 2H2O

Two (2) moles of hydrogen gas produces two (2) moles of water in this balanced chemical equation.

If 1 mole of hydrogen gas was used, then:

1 × 2/2 moles of water would be produced

1 mole of water would be produced.

Answer:

One mole of water was produced from this reaction.

Explanation:

Guy above me is right

The sets in σ(A,B) are the smallest σ-algebra that contains both A and B.

In probability theory and measure theory, a σ-algebra is a collection of subsets of a given set Ω that satisfies certain properties. The notation σ(A,B) represents the smallest σ-algebra that contains both subsets A and B. This means that σ(A,B) consists of all possible subsets that can be formed by taking the union, intersection, and complement of sets in A and B.

To understand this concept better, let's consider an example. Suppose we have a set Ω = {1, 2, 3, 4} and two subsets A = {1, 2} and B = {2, 3}. The σ-algebra σ(A,B) would include the empty set, the set Ω itself, as well as other subsets such as {1}, {2}, {3}, {1, 2}, {2, 3}, and {1, 2, 3}. It would also include their complements, for example, the complement of {1} would be {2, 3, 4}.

The σ-algebra σ(A,B) is important in probability theory as it allows us to define probability measures and study various properties of events and random variables. By identifying all the sets in σ(A,B), we can determine the range of events that can be analyzed within this framework.

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Answer:

did you have options, cause if you did chose something alond the lines of

Explanation:

A real gas is a gas that does not behave as an ideal gas due to interactions between gas molecules. A real gas is also known as a nonideal gas because the behavior of a real gas in only approximated by the ideal gas law.

Answer:

a. p-bromofenol o 4-bromo-fenol.

b. Diisopropil éter.

c. p-nitrofenol o 4-nitro-fenol.

d. isopropil-fenil éter o fenóxido de isopropilo.

Explanation:

Hola.

En este caso, siguiente las normas IUPAC de nomenclatura orgánica, obtenemos los siguientes nombres:

a. p-bromofenol o 4-bromo-fenol: nota que el bromo es un radical presente en el cuarto carbono del fenol dado.

b. Diisopropil éter: en este caso, nota que el oxígeno central hace que la molécula sea un éter, cuyos radical son ambos isopropil.

c. p-nitrofenol o 4-nitro-fenol: nota que el nitro (NO2) es un radical presente en el cuarto carbono del fenol dado.

d. isopropil-fenil éter o fenóxido de isopropilo: nota que el oxígeno central hace que la molécula sea un éter, cuyos radical son isopropily y el otro fenil, por lo que se nombran en orden alfabético o de número de carbonos (de más a menos).

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The proton number has the highest value in the ion

In an atomic element Q, the mass number is the number of the proton and the neutron, the electron encircles around the nucleus of the atomic element.

Recall that:

∴

The atomic element Q+ has a positively charged ion, Thus, the proton number in the mass of the atomic element Q, therefore, has the highest value in the ion.

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When the acetylcholine receptor sites are not occupied, a ligand is formed. Thus, sodium channels remain closed, so sodium ions do not diffuse through or enter or leave the cell. Thus, option c is correct.

Acetylcholine receptors are a kind of transmembrane protein that is embedded in the cell membrane. Acetylcholine is a neurotransmitter that binds to this receptor.

When acetylcholine is released into the synaptic cleft, it binds to the acetylcholine receptor. The channel that allows positively charged ions to flow into the cell opens as a result of this.

This causes the interior of the cell to become more positive, resulting in the generation of an action potential that can be propagated down the axon.

The sodium channels remain closed when the acetylcholine receptor sites are not occupied. The acetylcholine receptors are critical for neuron action potential generation.

If acetylcholine cannot bind to these receptors, no electrical impulse can be transmitted. Thus option c is correct.

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In a common laboratory experiment in general chemistry, students are asked to determine the relative amounts of benzoic acid and charcoal in a solid mixture. Benzoic acid is relatively soluble in hot water, but charcoal is not. Devise a method for separating the two components in the mixture.

First you put the mixture in hot water and allow the benzoic acid to separate. Next funnel it and then see what's on the funnel paper. Lastly, heat the leftover water and see what's left after it evaporates.

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To keep burning, fires require oxygen. Carbon dioxide is used in certain fire extinguishers to put out flames. Explanation: Because magnesium is higher on the reactivity scale than carbon, it is more reactive and eliminates oxygen from carbon dioxide (to give carbon and magnesium oxide).

The new volume of the balloon at 17°C and 0.8 atm is approximately 434.5 mL.

The combined gas law put together both Boyle's Law, Charles's Law, and Gay-Lussac's Law.

It is expressed as:

\(\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}\)

Given that:

Plug the given values into the combined gas law formula and solve for the final volume.

\(\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}\\\\P_1V_1T_2 = P_2V_2T_1\\\\V_2 = \frac{P_1V_1T_2}{P_2T_1} \\\\V_2 = \frac{1.0atm\ *\ 350mL\ * \ 290.15K}{0.8atm\ *\ 292.15K } \\\\V_2 = 434.5\ mL\)

Therefore, the final volume is approximately 434.5 mL.

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Energy from various sources is stored, transmitted, and utilised in a number of ways. Electrical energy, for example, is often stored in batteries and delivered via power lines.

It is then utilised to power various gadgets ranging from lightbulbs to laptops. Solar energy is similarly stored in solar panels and transmitted via electrical connections. This energy is then converted into electricity and utilised to power homes, companies, and other purposes.

Furthermore, natural gas, oil, and other fossil fuels are transported through a pipeline network and used to generate electricity and heat buildings. Nuclear energy is also stored, transferred, and used to create power via a network of pipelines. Finally, wind energy is stored in enormous batteries and distributed via electrical wires.

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There are approximately 5.91 grams of potassium chloride in a teaspoon of salt substitute.

To determine the number of grams of potassium chloride in a teaspoon of salt substitute, we need to calculate the molar mass of potassium chloride and then use it to convert the number of potassium atoms to grams.

The molar mass of potassium chloride (KCl) can be calculated by adding the atomic masses of potassium (K) and chlorine (Cl). The atomic mass of potassium is approximately 39.10 g/mol, and the atomic mass of chlorine is approximately 35.45 g/mol.

Molar mass of KCl = 39.10 g/mol (potassium) + 35.45 g/mol (chlorine)

= 74.55 g/mol

Next, we need to convert the number of potassium atoms to moles using Avogadro's number, which is approximately 6.022 x 10²³ atoms/mol.

Number of moles of potassium = 4.77 x 10^22 potassium atoms / (6.022 x 10²³ atoms/mol)

= 0.0793 mol

Finally, we can calculate the mass of potassium chloride using the molar mass:

Mass of potassium chloride = Number of moles of potassium chloride x molar mass of potassium chloride

= 0.0793 mol x 74.55 g/mol

= 5.91 grams

Therefore, there are approximately 5.91 grams of potassium chloride in a teaspoon of salt substitute.

The correct question is:

Salt substitutes typically contain potassium chloride. If a teaspoon holds 4.77 x 1022 potassium atoms, how many grams of potassium chloride are in a teaspoon of salt substitute?

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The balanced chemical equation is:

0.5C7H16 + O2 → 0.5CO2 + H2O

For balancing the chemical equation C7H16 + O2 → CO2 + H2O, we can use linear algebraic techniques. We need to determine the coefficients that balance the number of atoms on both sides of the equation.

Let's denote the coefficients for C7H16, O2, CO2, and H2O as a, b, c, and d, respectively.

The balanced chemical equation can be written as:

aC7H16 + bO2 → cCO2 + dH2O

To balance the carbon (C) atoms, we have:

7a = c (Equation 1)

To balance the hydrogen (H) atoms, we have:

16a = 2d (Equation 2)

To balance the oxygen (O) atoms, we have:

2b = 2c + d (Equation 3)

We have three equations (Equations 1, 2, and 3) and four unknowns (a, b, c, d). To solve this system of equations, we can write it in matrix form and find the solution using linear algebraic techniques.

The augmented matrix for the system of equations is:

[ 7 0 -1 0 | 0 ]

[ 0 0 0 -2 | 0 ]

[ 0 -2 2 -1 | 0 ]

By performing row operations to row-reduce the augmented matrix, we can obtain the solution:

[ 1 0 -0.5 0 ]

[ 0 1 -1 -0.5 ]

[ 0 0 0 0 ]

The solution to the system of equations is:

a = 0.5

b = 1

c = 0.5

d = 1

Putting the values of a,b,c, and d we get the balanced chemical equation as:

0.5C7H16 + O2 → 0.5CO2 + H2O

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Answer:

combustion of methane gass will take place when the flame is yellow

Answer:

B, C

Explanation:

Hope it helps i read it all

Answer:

Asthenosphere

Explanation:

The asthenosphere is the hot, weak, inner part of the upper mantle. Although it is solid, it can flow like a thick, heavy liquid.

"All zero greenhouse gas emission fuel sources are also renewable". The statement is false.

While many renewable energy sources such as solar, wind, and hydropower produce zero greenhouse gas emissions, not all zero-emission fuels are renewable.

For example, nuclear power is a zero-emission source of electricity, but it is not considered a renewable energy source because it relies on the mining and processing of non-renewable uranium.

Renewable energy sources are defined as those that can be replenished naturally and sustainably within a human timescale. These include solar, wind, hydropower, geothermal, and biomass. Zero-emission fuels refer to any fuel source that emits no greenhouse gases during use, such as hydrogen fuel cells.

While renewable energy sources often overlap with zero-emission fuels, not all zero-emission fuels are renewable. Therefore, it is important to differentiate between the two terms when discussing the sustainability and environmental impact of different energy sources.

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Answer:

60 i think im not sure

Explanation:

Answer:

10.99s

Explanation:

Given parameters:

Speed of the fly = 9.1m/s

Distance flown = 100m

Unknown:

Time taken to fly this distance = ?

Solution:

Speed is distance divided by the time;

  Mathematically;

            Speed  = \(\frac{distance}{time}\)  

             Time  = \(\frac{distance}{speed }\)  

Insert the parameters and solve;

        Time  = \(\frac{100}{9.1}\)   = 10.99s

Answer:

Cl2 acts as an oxidizing agent

Explanation:

The balanced equation is

Cl2+NaOH⟶NaCl+NaClO3+H2O

Cl2 acts as a reactant in this chemical reaction

Cl2 receives one electron and thus reduces itself from Cl2 to 2 Cl−. This indicates that 2Cl- will oxidize some other element and hence Cl2 act as an   oxidizing agent.

The equation can be balanced using suitable integers multiplied either side and can be written as follows:

\(\rm Ca_{3} (PO_{4})_{2} + 4 H_{3}PO_{4} \rightarrow 3 Ca (H_{2}PO_{4})_{2}\)

Thus the coefficient of H₃PO₄ is 4.

A balanced chemical equation of a reaction represents all the reactants and products in the perfect stoichiometric ratios where, the number of each element have to be equal in both sides.

The given reaction is an example of combination reaction. The equation can be balanced by equating the number of calcium in the product side by multiplying with 3 and then making the phosphate group also balanced by multiplying by 4 with  H₃PO₄.

Thus, the balanced chemical equation written above contains 3 calcium on both side and equal number of phosphate group (6) as well as hydrogens on both side where, the coefficient of  H₃PO₄ is 4

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Yes, the statement is True i.e. Sodium chloride is a buffer creating an injectable solution that is isotonic.

A buffer solution, also referred to as a pH buffer or hydrogen ion buffer, is an aqueous mixture of a weak acid and its conjugate base, or vice versa. The pH scarcely changes at all when a small amount of a strong acid or basic is added to it. Buffer solutions are used in a wide range of chemical processes to keep pH values almost constant. Buffering is used by many living systems to regulate pH in the natural world. For instance, the bicarbonate buffering system regulates the pH of blood, and bicarbonate also acts as a buffer in the ocean. Because of a chemical equilibrium between the weak acid HA and its conjugate base A, buffer solutions are resistant to pH change: HA ⇌ H+ + A− According to Le Chatelier's principle, an equilibrium between a weak acid and its conjugate base shifts to the left when hydrogen ions (H+) are supplied. Because of this, despite the supply of strong acid, the concentration of hydrogen ions increases less than anticipated.

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Answer:

A

Explanation:

10ml

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Answer:

\(fro \: the \: equation : \\ 6 \: moles \: of \: nitric \: acid \: produce \: 2 \: moles \: of \: water \\ 1.1 \: moles \: of \: nitric \: acid \: react \: with \: ( \frac{1.1}{6} \times 2) \: moles \\ = 0.367 \: moles \: of \: water \\ 1 \: mole \: of \: water \: weighe \: 18 \: g \\ 0.367 \: moles \: will \: weigh \: ( 0.367 \times 18) \: g \\ = 6.6 \: g \: of \: water\)

The naming of compound can be obtained by following the IUPAC principle. This is shown below:

For the 1st diagram:

Thus, the IUPAC name for the compound is: 3,3-dimethylpentane

For the 2nd diagram:

Thus, the IUPAC name for the compound is: pentene

For the 3rd diagram:

Thus, the IUPAC name for the compound is: 2,2,3-trimethylhexane

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The effects of exposure were more pronounced in fish that had been raised in a less stressful environment, suggesting that environmental conditions can influence the impact of exposure to antidepressants.

1. The class of drugs being investigated in this study is antidepressants. They enter our waterways through excretion by individuals taking the medication, and disposal of unused medication into toilets or sinks that are connected to wastewater treatment plants.

2. C-start is an evasive maneuver that young fish use when they perceive a predator. This is important for larval fish survival because it helps them to avoid being eaten by predators.

3. In this investigation, researchers are testing two hypotheses. The first is that exposure to low levels of antidepressants can affect larval fathead minnows' behavior, and the second is that the effects of exposure will be more pronounced in fish that have been raised in a less stressful environment.

4. The researchers found that exposure to antidepressants at levels found in waterways can have a significant impact on the behavior of larval fathead minnows. Specifically, they found that the fish exposed to antidepressants were less likely to respond to the presence of predators, which could increase their risk of being eaten.

They also found that the effects of exposure were more pronounced in fish that had been raised in a less stressful environment, suggesting that environmental conditions can influence the impact of exposure to antidepressants.

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The mass of HCl contained in 0.015 moles of HCl is 0.54g.

The chemical formula for hydrogen chloride is HCl. The number of moles of any substance is defined as the ratio of mass to molar mass of the substance. It is given as:

Number of moles = mass/molar mass

1 mole of any substance is equal to 6.022 × 10²³ atoms, molecules or ions. 6.022 × 10²³ is known as Avogadro's number.

Molar mass of HCl =36.5 g/mol

Mass= number of moles × molar mass

Mass= 0.015 moles × 36 g/mol

Mass= 0.54 g

Therefore, 0.015 moles of HCl contains 0.54 g HCl.

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The question should be

the chemical formula for hydrogen chloride is HCl. a chemist measured the amount of hydrogen chloride produced during an experiment. she finds that 0.015 moles of hydrogen chloride is produced. calculate the mass of hydrogen chloride produced. round your answer to significant digits.

A typical person has an average heart rate of 75.0 beats per minute. In all three cases (6.0 years, 6.00 years, and 6.000 years), the number of beats would be 236,520,000 beats.

To calculate the number of beats in a given time period, we need to know the number of minutes in that time period.
First, let's calculate the number of beats in 6.0 years. We know that a typical person has an average heart rate of 75.0 beats per minute.
So, to find the number of beats in 6.0 years, we multiply the number of minutes in 6.0 years by the average heart rate:
6.0 years = 6.0 * 365 * 24 * 60

= 3,153,600 minutes
Number of beats in 6.0 years = 3,153,600 minutes * 75.0 beats/minute

= 236,520,000 beats
Next, let's calculate the number of beats in 6.00 years.
6.00 years = 6.00 * 365 * 24 * 60

= 3,153,600 minutes
Number of beats in 6.00 years = 3,153,600 minutes * 75.0 beats/minute

= 236,520,000 beats
Finally, let's calculate the number of beats in 6.000 years.
6.000 years = 6.000 * 365 * 24 * 60

= 3,153,600 minutes
Number of beats in 6.000 years = 3,153,600 minutes * 75.0 beats/minute

= 236,520,000 beats
Therefore, in all three cases (6.0 years, 6.00 years, and 6.000 years), the number of beats would be 236,520,000 beats.

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