A hyperpolarizing graded potential has {{c1::an inhibitory}} effect

Answer:

Calendar and periodic table both have repetitive patterns.

Explanation:

In calendar the days are arranged and divided into weeks whereas in the periodic table the elements are arranged in increasing atomic number and divided into groups

Sodium hydroxide solutions used in this lab are considered relatively nonhazardous because they are diluted, and their concentration is not high.

Sodium hydroxide is a highly caustic compound that is commonly known as caustic soda or lye. It is a strong base that can be used as an industrial cleaning agent. Sodium hydroxide is a highly reactive substance that can cause serious burns to the skin and eyes. It can also be harmful if ingested or inhaled. Sodium hydroxide is a white crystalline solid that is soluble in water and has a bitter taste.

It is used in the production of paper, textiles, and soap. It is also used as a drain cleaner and in the production of food products such as olives.  How are the sodium hydroxide solutions used in the lab considered relatively nonhazardous?The sodium hydroxide solutions used in the lab are considered relatively nonhazardous because they are diluted, and their concentration is not high. They are also used in small quantities, which reduces the risk of exposure to the substance.

Additionally, precautions are taken to ensure that the solutions are handled safely. Gloves and safety goggles are worn to protect the skin and eyes from accidental exposure. The solutions are also stored in tightly sealed containers to prevent spills and leaks.

Furthermore, in the lab, the solutions are used for specific purposes and handled only by trained professionals who are aware of the hazards involved in working with sodium hydroxide.

To know more about Sodium hydroxide refer here:
https://brainly.com/question/10073865#

#SPJ11

The chemical equation for Direct Combination of Cobalt (III) and nitrogen, with the product given can be represented as given : Cobalt (III) + nitrogen → Cobalt nitride (Co3N2)When Cobalt (III) and nitrogen are combined using direct combination method, the product formed is Cobalt nitride (Co3N2).

The balanced chemical equation for this reaction is shown below.2 Co (III) + 3 N2 → Co3N2.Cobalt nitride is a blackish gray powder with a melting point of 1750 °C and a density of 6.5 g/cm3. Cobalt nitride is an important metal nitride that is used in the preparation of cobalt metal catalysts, magnetic alloys, and other materials.

For more such questions on Chemical equation

https://brainly.com/question/26694427

#SPJ8

106.66 grams of O2 reacting produces 4.01 x 10^24 particles of H2O.

We can start by balancing the chemical equation for the reaction between oxygen (O2) and hydrogen (H2) to form water (H2O):

2H2 + O2 → 2H2O

The balanced equation tells us that 1 mole of O2 reacts with 2 moles of H2 to form 2 moles of H2O.

To determine the number of particles of H2O produced from 106.66 grams of O2, we need to convert the mass of O2 to moles using its molar mass:

Molar mass of O2 = 32.00 g/mol

Number of moles of O2 = mass / molar mass

Number of moles of O2 = 106.66 g / 32.00 g/mol

Number of moles of O2 = 3.33 mol

Since the balanced equation tells us that 1 mole of O2 reacts with 2 moles of H2O, we can use stoichiometry to determine the number of moles of H2O produced:

Number of moles of H2O = (number of moles of O2) x (2 moles of H2O / 1 mole of O2)

Number of moles of H2O = 3.33 mol x 2

Number of moles of H2O = 6.66 mol

Finally, we can use Avogadro's number to convert the number of moles of H2O to the number of particles:

Number of particles of H2O = (number of moles of H2O) x (6.02 x 10^23 particles/mol)

Number of particles of H2O = 6.66 mol x 6.02 x 10^23 particles/mol

Number of particles of H2O = 4.01 x 10^24 particles

Therefore, 106.66 grams of O2 reacting produces 4.01 x 10^24 particles of H2O.

learn more about Avogadro's number here

https://brainly.com/question/1513182

#SPJ1

To determine the amount of water and methane needed, we can set up a system of equations based on the desired composition of the mixture. you should use 36 gallons of water and 54 gallons of methane to obtain a mixture of 90 gallons with a methane concentration of 60%.

Let's assume x represents the number of gallons of water and y represents the number of gallons of methane. We have the following information: The total volume of the mixture is 90 gallons: x + y = 90. The mixture should be 60% methane: (y / (x + y)) * 100 = 60. Simplifying the second equation: y / (x + y) = 0.6. Now we can solve the system of equations: From equation 1, we can express x in terms of y: x = 90 - y. Substituting this into equation 2: y / ((90 - y) + y) = 0.6. Simplifying further: y / 90 = 0.6. Solving for y: y = 0.6 * 90. y = 54. Now we can find x using equation 1: x = 90 - y. x = 90 - 54. x = 36. Therefore, you should use 36 gallons of water and 54 gallons of methane to obtain a mixture of 90 gallons with a methane concentration of 60%.

To learn more about methane, https://brainly.com/question/31473733

#SPJ11

The major organic product obtained from the reaction of CH₃O₃H is methanol (CH₃OH).

This is because the oxygen atoms in CH₃O₃H are highly electronegative and will readily bond with a hydrogen atom to form water (H₂O), leaving behind the CH₃ group. This CH₃ group will then bond with a single hydrogen atom to form the final product, methanol. The reaction can be represented as follows:

                                 CH₃O₃H → CH₃OH + 2H₂O

In this reaction, the CH₃O₃H molecule undergoes a decomposition reaction to form methanol and water. Methanol is a simple alcohol that is commonly used as a solvent and as a starting material for the synthesis of other organic compounds. It is also used as a fuel in some internal combustion engines.

The complete question is in the picture and the true choice is C only 3.

Learn more about the organic product at https://brainly.com/question/14427171.

#SPJ11

Answer:

The sugar atoms formed new atoms after caramelization.

Explanation:

When sugar is heated to a certain temperature, it becomes caramel. Te formation of caramel from the sugar is a chemical process.

In the context, Pedro is doing an investigation by heating sugar to make caramel. Burning of the sugar crystal is a chemical change as different chemicals are present in both. The caramel formed cannot be revered back to sugar crystal, this also proves the chemical change of caramelization of sugar cubes. Sugar consists of carbon, oxygen and hydrogen atoms. It reacts with atmospheric oxygen atoms to form new groups of atoms and forms caramel.

The mystery element that remains solid at room temperature and also breaks very easily is a :  Non-metal  ( B )

A non metal is non conducting element at room temperature, which can be in gas, sold and liquid forms at room temperature, when in solid form they can break easily and do not bend as well. Non-metals are poor conductors of heat and electricity therefore will not conduct electricity when placed in a circuit. An example of a solid non-metal is Carbon.

Hence we can conclude that the mystery element is a Non-metal

Learn more about Non-metals : https://brainly.com/question/17469010

Answer:

6) gary suffering from slimotosis

7) duration of rubbing seaweed/drinking dr. kelp

8) whether slimotosis gets cured or not

9) rubbing seaweed and drinking dr. kelp cures slimotosis

Explanation:

The molecule shape of SF6 is octahedral.

SF6 is a sulfur hexafluoride molecule, which is composed of a central sulfur atom surrounded by six fluorine atoms. In the SF6 molecule, the sulfur atom is bonded to the six fluorine atoms through strong covalent bonds.

The arrangement of these bonds gives SF6 an octahedral shape, with the six fluorine atoms positioned at the vertices of an imaginary octahedron and the sulfur atom at its center. The octahedral shape of SF6 is due to the symmetrical distribution of electron density around the central sulfur atom, which results in a sp3d2 hybridization state.

In summary, SF6 has an octahedral molecule shape, which is characterized by six equidistant vertices arranged symmetrically around a central atom.

Learn more about hybridization state here:

https://brainly.com/question/30323439

#SPJ4

The average atomic mass for neon of it abundance in nature is 90. 5% neon-20,0. 3% neon-21, and 9. 2% neon-22 is 20.187 amu

Isotopes are members of the same element's family but have various numbers of neutrons and the same number of protons.

In this case, we calculate the average atomic mass of the specified element by taking into consideration the mass and abundance of each isotope. The average atomic mass can be calculated using the following equation:

Average atomic mass = (mass₁ x abundance)+( mass₂ x abundance)+( mass₃ x abundance)

Average atomic mass =  (0.905 x 20) + (0.003 x 21) +( 0.092 x 22)

Average atomic mass = 20.187 amu

Learn more about average atomic mass at brainly.com/question/29123444

#SPJ4

Answer:

V₂ ≈416.7 mL

Explanation:

This question asks us to find the volume, given another volume and 2 temperatures in Kelvin. Based on this information, we must be using Charles's Law and the formula. Remember, his law states the volume of a gas is proportional to the temperature.

where V₁ and V₂ are the first and second volumes, and T₁ and T₂ are the first and second temperature.

The balloon has a volume of 600 milliliters and a temperature of 360 K, but the temperature then drops to 250 K. So,

Substitute the values into the formula.

Since we are solving for the second volume when the temperature is 250 K, we have to isolate the variable V₂. It is being divided by 250 K. The inverse o division is multiplication, so we multiply both sides by 250 K.

The units of Kelvin cancel, so we are left with the units of mL.

Let's round to the nearest tenth. The 6 in the hundredth place tells us to round to 6 to a 7.

The volume of the balloon at 250 K is approximately 416.7 milliliters.

Answer:

Five points of Dalton's atomic theory:

1) all elements are made up of atoms.  

2) atoms are so small that they cannot be divided any further.  

3) an atom can neither be destroyed nor be formed.  

4) atoms of an element are similar, they possess the same mass and same properties.  

5) atoms of different elements combine in a definite ratio to form compounds.  

Due to further experimentation, it was concluded that an atom is made up of small particles identified as protons, neutrons, and electrons. They can be further subdivided.

Another change is the presence of isotopes of atoms of different elements. Hence, atoms of the same element can also have different masses.

Hope this helps, have a nice day/night! :D

As per Dalton's atomic model atoms are the minuscule, distinct building blocks of all stuff.

What is Dalton's atomic model?

Dalton proposed that the concept of atoms may be used to explain the laws of conservation of mass as well as definite proportions. He proposed that atoms, of the kind, that he described as "solid, tightly compacted, hard, impenetrable, moving particle," are the smallest, indivisible units of matter.

Dalton's atomic model is as fellow:

To know more about Dalton's atomic model.

https://brainly.com/question/14364728

#SPJ2

Answer:

227 mL KBr

Explanation:

To find the amount of milliliters KBr, you need to (1) convert grams to moles (via molar mass from values on periodic table), then (2) find the amount of liters KBr (via molarity equation using molarity and moles), and then (3) convert liters to milliliters. The final answer should have 3 sig figs to match the amount of sig figs in the given values.

(Step 1)

Molar Mass (KBr): 39.098 g/mol + 79.904 g/mol

Molar Mass (KBr): 119.002 g/mol

17.2 grams KBr            1 mole
-----------------------  x  ------------------  =  0.145 moles KBr
                                  119.002 g

(Step 2)

Molarity (M) = moles / volume (L)

0.640 M = 0.145 moles / volume

(0.640 M) x (volume) = 0.145 moles

volume = (0.145 moles) / (0.640 M)

volume = 0.227 L

(Step 3)

0.227 L KBr         1,000 mL
------------------  x  -----------------  = 227 mL KBr
                                1 L

The restricted buffering capacity of DI water won't restrain the arrangement of carbonic corrosive H2CO3. Heating up the water will eliminate the carbon dioxide to reestablish the pH to 7.0.

It is a terrible cushion and can't be utilized as an option in contrast to it. It is because of the explanation that water has no corrosive or base particles present which can acquire significant distinction in the arrangement when it is added to it.

Refined water is definitely not a compelling cushion since it doesn't can kill acids. The pH of water is more delicate to the expansion of a corrosive since it has a lower pH.

Neither refined, demineralized, nor turn-around assimilation (R/O) water contains any support as they are unadulterated water with practically no minerals.

To learn more about buffering here

https://brainly.com/question/22821585

#SPJ4

Scientific theories are testable. A theory may be changed as a result of new lines of evidence that change their assumptions.

A Scientific theory is a well sustained explanation about a given question of the real world that is based on testable (i.e., verifiable through experimentation and or observation) information that was obtained by using the scientific method.

Therefore, with this data, we can see that Scientific theories are testable because they can be proved or refuted by experimentation and or observational procedures, which are fundamental parts of the scientific method.

Learn more about scientific theories here:

https://brainly.com/question/11555274

#SPJ1

The binding energy of a nucleus refers to the minimum energy required to separate the nucleus into its constituent nucleons. The binding energy per nucleon (BE/A) is a more useful quantity than the absolute binding energy (BE) since it takes into account the number of nucleons present.

The more tightly bound a nucleus is, the higher its binding energy per nucleon. The equation that determines the binding energy is given by the formula, E=Δmc² where E is the binding energy, Δm is the mass defect, and c is the speed of light. The mass defect is the difference between the actual mass of a nucleus and the sum of the masses of its individual protons and neutrons. The mass of antimony-121 is the sum of the masses of its constituent nucleons, given by: Mass of antimony-121 = (71 x 1.00783 u) + (50 x 1.00867 u) = 120.90380 u The actual mass of antimony-121 is 120.90380 u. Using the mass of each nucleon and the actual mass of antimony-121, the mass defect of the nucleus can be determined as follows: Mass defect (Δm) = [71(1.00783 u) + 50(1.00867 u)] - 120.90380 u= 0.1471 u The binding energy can then be calculated using the formula: E = Δmc²= (0.1471 u)(1.66054 x 10^-27 kg/u)(2.99792 x 10^8 m/s)^2= 2.539 x 10^-10 J/mol To convert this to kilojoules per mole, we can divide by 1000:2.539 x 10^-10 J/mol = 2.539 x 10^-13 kJ/mol Therefore, the binding energy of antimony-121 is 2.539 x 10^-13 kJ/mol.

learn more about nucleus here.

https://brainly.com/question/32201611

#SPJ11

Answer:

Explanation:

Henry Moseley

Answer:

its C

Explanation:

took the test lol

Answer:

A mutation is a heritable change in the genetic material of an individual. The change can be large or small. Large changes involve the loss, addition, duplication, or rearrangement of whole chromosomes or chromosome segments. Mutations can affect an organism by changing its physical characteristics (or phenotype) or it can impact the way DNA codes the genetic information (genotype). When mutations occur they can cause termination (death) of an organism or they can be partially lethal.

Explanation:

Answer:

thermal shock

Explanation:

the temperatures inside the glass jar should have continued to increase over time. Internal stresses due to uneven heating. This is also known as “thermal shock”.

In general, the thicker the glass, the more prone it will be to breaking due to the immediate differences in temperature across the thickness of glass.

Borosilicate glass is more tolerant of this, as it has a higher elasticity than standard silicon glass.

You may also note that laboratory test tubes and flasks are made with thinner walls, and of borosilicate glass, when designated for heating.

They cannot be divided and still keep the properties of the element; option D.

The elephant have the greatest mass; option A

Atoms are the smallest particle of an element that can take part in a chemical reaction.

Atoms of the same element have the same atomic number or the same number of protons.

Atoms of elements cannot be divided and still keep the properties of the element.

The atoms of calcium, gold, argon, iodine will have the following features in common: they cannot be divided and still keep the properties of the element; option D.

Mass of a substance is the amount of matter present in that substance.

The elephant will have the greatest mass of the other animals.

In conclusion, atoms are the smallest particle of a substance that can take part in a reaction.

Learn more about atoms and mass at: https://brainly.com/question/6258301

#SPJ1

Answer:

HS is stripped from each O.

Joe is getting his energy expenditure measured by direct calorimetry, and  1 liter of water surrounding chamber has an initial reading of 15 degrees Celsius. Final reading is 2015 degrees Celsius. Calories that he expend is 2,000 degree Celsius.

Direct calorimetry obtains direct measurement of the amount of heat generated by body within a structure large enough to permit moderate amounts of activity. These structures are known as whole-room calorimeters. Direct calorimetry gives a measure of energy expended in the form of heat.

Direct calorimetry provides the user with unique capacity to quantify the heat produced from aerobic and anaerobic metabolism by measuring heat exchange between body and the environment.

To know more about direct calorimetry, refer

https://brainly.com/question/28358187

#SPJ4

The fugacity in atm for pure ethane at 310 K and 20.4 atm is given by the equation: f = 20.4 exp (-Δg1/RT). The change in chemical potential between this state and a second state of ethane where the temperature is constant but the pressure is 24 atm is -0.0911RT.

Fugacity is a measure of the escaping tendency of a component in a mixture, which is defined as the pressure that the component would have if it obeyed ideal gas laws. It is used as a correction factor in the calculation of equilibrium constants and thermodynamic properties such as chemical potential. Here we need to determine the fugacity in atm for pure ethane at 310 K and 20.4 atm and the change in the chemical potential between this state and a second state of ethane where the temperature is constant but the pressure is 24 atm. So, using the formula of fugacity: f = P.exp(Δu/RT) Where P is the pressure of the system, R is the gas constant, T is the temperature of the system, Δu is the change in chemical potential of the system.  Δu = RT ln (f / P)The chemical potential at the initial state can be calculated using the ideal gas equation as: PV = nRT    

=>  P

= nRT/V

=> 20.4 atm

= nRT/V

=> n/V

= 20.4/RT The chemical potential of the system at the initial state is:

Δu1 = RT ln (f/P)

= RT ln (f/20.4) Also, we know that for a pure substance,

Δu = Δg. So,

Δg1 = Δu1 The change in pressure is 24 atm – 20.4 atm

= 3.6 atm At the second state, the pressure is 24 atm.

Using the ideal gas equation, n/V = 24/RT The chemical potential of the system at the second state is: Δu2 = RT ln (f/24) = RT ln (f/24) The change in chemical potential is Δu2 – Δu1 The change in chemical potential is

Δu2 – Δu1 = RT ln (f/24) – RT ln (f/20.4)

= RT ln [(f/24)/(f/20.4)]

= RT ln (20.4/24)

= - 0.0911 RT Therefore, the fugacity in atm for pure ethane at 310 K and 20.4 atm is:

f = P.exp(Δu/RT)

=> f

= 20.4 exp (-Δu1/RT)

=> f

= 20.4 exp (-Δg1/RT) And, the change in the chemical potential between this state and a second state of ethane where the temperature is constant but pressure is 24 atm is -0.0911RT. Therefore, the fugacity in atm for pure ethane at 310 K and 20.4 atm is given by the equation: f = 20.4 exp (-Δg1/RT). The change in chemical potential between this state and a second state of ethane where the temperature is constant but the pressure is 24 atm is -0.0911RT.

To know more about chemical potential visit:-

https://brainly.com/question/31100203

#SPJ11

Answer:

a number which occurs in the theoretical expression for the value of some quantized property of a subatomic particle, atom, or molecule and can only have certain integral or half-integral values.

Explanation:

In other words, it is a number that is Part of scientific theories or chemistry

Answer:

scientific literacy provide essential tools for surviving in the news jungle and for responsible citizenship. They also teach us to understand our own actions, to review them critically, and to take care of our rights. This is why science education is important

Explanation:

The correct answer is ATP Synthase uses the energy of a proton gradient to add a phosphate to ADP.

The mitochondrial enzyme ATP synthase, which is found in the inner membrane, transforms ADP and phosphate into ATP. The stream of protons is driven by the movement of electrons from the chemically positive to the negative side of the proton, which creates a gradient.The electron transport chain involves the downhill flow of electrons to the final electron acceptor through a chain of membrane-bound carriers in order to aid the uphill transfer of protons across a proton-impermeable membrane. In order to move protons (ions) via ATP synthase Fo particles and down the concentration gradient, it creates a proton gradient. The proton-motive force, which drives protons to move, provides the energy for ADP phosphorylation (ions).

To learn more about ATP Synthase click the link below

brainly.com/question/4105746

#SPJ4