Once the membrane potential becomes positive, Na+ channels enter the ______ conformation

The answer is 290 degrees and -70 degrees.To find a positive and a negative angle measure coterminal with a -70 degree angle, we need to add or subtract multiples of 360 degrees.

To find the positive angle measure, we add 360 degrees to -70 degrees -70 degrees + 360 degrees = 290 degrees So, 290 degrees is a positive angle measure coterminal with -70 degrees. To find the negative angle measure, we subtract 360 degrees from -70 degrees -70 degrees - 360 degrees = -430 degrees ,So, -430 degrees is a negative angle measure coterminal with -70 degrees.

A coterminal angle is an angle that has the same initial side and terminal side as another angle but possibly a different number of rotations. To find coterminal angles, you can add or subtract multiples of 360 degrees (for angles in degrees) or 2π (for angles in radians). In this case, we have a -70-degree angle. To find a positive coterminal angle, we add 360 degrees to the given angle: -70 + 360 = 290 degrees. To find a negative coterminal angle, we subtract 360 degrees from the given angle: -70 - 360 = -430 degrees.
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Answer:

30 miles

Explanation:

Just add the numbers.

There is no recrystallization temperature for the 10% CW.I hope this helps.

From the 3D plot results, the recrystallization temperature for each %CW is approximated as shown in the table below:%CWApprox. recrystallization temperature (°C)30~31535~40050~46570~56590~650100~695There is a %CW for which the recrystallization temperature cannot be approximated. It is the 10% CW. The reason behind this is that there is no recrystallization temperature for that %CW. It is because the recrystallization temperature is the temperature at which the internal stresses are relieved through the process of recrystallization. But for the 10% CW, the material has not been cold worked enough to generate enough internal stresses that need to be relieved. Therefore, there is no recrystallization temperature for the 10% CW.I hope this helps.

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To balance Ca + Cl2 = CaCl2 you'll need to be sure to count all of atoms on each side of the chemical equation.

Once you know how many of each type of atom you can only change the coefficients (the numbers in front of atoms or compounds) to balance the equation for Calcium + Chlorine gas.

Answer:

C

Explanation:

A gas is a state of matter that has no fixed shape and no fixed volume gases have lower density than other states of matter such as solids and liquids.

The liquid dispensed from a burette is called titrant. What is burette? A burette is a laboratory equipment used in analytical chemistry to dispense volumes of liquid precisely and accurately. A burette is used to deliver a variable, measured amount of liquid, and it is calibrated to enable a scientist to determine the volume of liquid it contains to an accurate level. What is titrant? Titrant is a liquid substance with a known concentration. Titrant is used in analytical chemistry to determine the concentration of an analyte (a chemical species under analysis). The amount of titrant required to react with a particular quantity of analyte is measured, and the concentration of the analyte is calculated from this titration.

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\(C_3H_6\)  has a double bond in its carbon skeleton. This is a true statement.

Carbon skeleton refers to the chain of carbon atoms that make up an organic molecule. The presence or absence of double bonds in the carbon skeleton affects the properties of the molecule and how it interacts with other molecules. In \(C_3H_6\), there are three carbon atoms arranged in a linear chain, with each carbon atom forming single covalent bonds with two hydrogen atoms. The remaining valence electrons on each carbon atom form a double bond between the first and second carbon atoms.

This double bond is responsible for the unsaturated nature of the molecule. \(C_3H_6\)is an example of a simple alkene, also known as propene. Its carbon skeleton and double bond make it a versatile molecule that can be used in various applications, including the production of plastics, rubber, and other materials.

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Answer:

it doesn't make sense bro. how are they gonna form before atoms if they are made out of atoms? everything is

Explanation:

Under the influence of gravity, atoms came together and resulted in a blast causing the "big bang". So the statement is false as stars and planets are formed due to the colliding of atoms.

About 13.7 billion years ago, the universe underwent a dramatic expansion that caused space to expand like a huge balloon.

That sums up the Big Bang idea, which is accepted by almost all cosmologists and theoretical physicists. The theory is backed up by a lot of strong data. For instance, we are aware that the universe is still expanding right now, and that this expansion is speeding up.

According to the conventional Big Bang theory, the beginning of the universe involved a singularity, a region of infinite temperature and density whose nature is difficult for humans to comprehend. However, scholars assert that this may not truly reflect reality because the singularity idea is based on Einstein's theory of general relativity.

The origin of the cosmos is still mostly unknown. A trillionth of a second after the Big Bang, according to scientists, is where the tale may be picked up.

Therefore, the statement is false.

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Answer:

thanks for the points

Explanation:

Red Litmus paper turns blue

Answer:

\( Ca(OH) _2 \)

Explanation:

In lime water \( \red{\bold {RED}} \) litmus paper turns \( \blue {\bold {BLUE}} \) because lime water is alkaline.

\(formula \: for \: lime \: water : Ca(OH) _2 \\ \)

H2(g) + Cl2(g) --> HCl(g) Consider the unbalanced equation above. 3.70 L of H2 and 3.05 L of Cl2 are reacted under the same conditions of temperature and pressure. How many liters of HCl will be produced?

Solution: From the balanced chemical equation, we can see that 1 mol of H2 reacts with 1 mol of Cl2 to produce 2 moles of HCl. We are given the volume of both reactants, but the equation is not balanced. Therefore, let's balance the chemical equation:H2(g) + Cl2(g) → 2HCl(g)Balancing the above chemical equation shows that 1 mole of H2 reacts with 1 mole of Cl2 to produce 2 moles of HCl. At STP (Standard Temperature and Pressure), 1 mole of any gas occupies a volume of 22.4 L.3.70 L of H2 is: (3.70L / 22.4 L/mol) = 0.1652 mol H2.3.05 L of Cl2 is: (3.05L / 22.4 L/mol) = 0.1362 mol Cl2Since both the reactants are limiting, therefore the Cl2 is the limiting reactant because it has less amount than H2. So we use Cl2 to calculate the amount of product formed. According to the balanced chemical equation, 1 mol of Cl2 produces 2 moles of HCl.

Therefore,0.1362 mol Cl2 (2 mol HCl / 1 mol Cl2) = 0.2724 mol HCl The volume of HCl at STP is: (0.2724 mol HCl) (22.4 L/mol) = 6.1 L. Therefore, the volume of HCl produced when 3.70 L of H2 and 3.05 L of Cl2 are reacted under the same conditions of temperature and pressure is 6.1 liters.

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Approximately 18.4832 mL of 0.250 M NaOH is required to neutralize 30.4 mL of 0.152 M HCl.

To determine the volume of 0.250 M NaOH required to neutralize 30.4 mL of 0.152 M HCl, we can use the concept of stoichiometry and the balanced chemical equation for the neutralization reaction between NaOH and HCl:

NaOH + HCl -> NaCl + H2O

From the balanced equation, we can see that the stoichiometric ratio between NaOH and HCl is 1:1. This means that for every mole of NaOH, we require an equal number of moles of HCl to neutralize.

First, let's calculate the number of moles of HCl present in the given volume:

Moles of HCl = concentration of HCl * volume of HCl

= 0.152 M * 30.4 mL

= 4.6208 mmol (millimoles)

Since the stoichiometric ratio is 1:1, the number of moles of NaOH required to neutralize the HCl is also 4.6208 mmol.

Now, let's calculate the volume of 0.250 M NaOH needed to contain 4.6208 mmol:

Volume of NaOH = (moles of NaOH) / (concentration of NaOH)

= 4.6208 mmol / 0.250 M

= 18.4832 mL

Therefore, approximately 18.4832 mL of 0.250 M NaOH is required to neutralize 30.4 mL of 0.152 M HCl.

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Answer:

the electron has a negative charge and is found outside the nucleus

The melting points of an impure sample is a) The two melting points are the same but the impure sample has a broader range.

Impure materials generally tend to have a barely decrease melting factor than the natural substance, and a broader melting temperature range. Pure materials may be diagnosed through evaluating the melting factor located withinside the test with posted reference records of what the melting factor need to be. Impurities, even if found in small amounts, commonly decrease the melting factor and expand the melting factor range. A huge melting factor range (extra than 5°C) commonly shows that the substance is impure; a slim melting factor range (O. 5-2°C) commonly shows that the substance within reason natural.

Thus, option a is the correct choice.

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Answer:

a give physical properties of hcl because there is no chemical reaction ph , colour , melting &boiling point are physical properties

The description section shows a physical property of hydrochloric acid on the MSDS lists. The correct answer is option A.

A physical property is a characteristic of matter that can be observed or measured without changing the substance itself. Examples include color, shape, density, and melting point.

MSDS stands for Material Safety Data Sheet. It is a document that provides information about the potential hazards of a chemical substance, as well as instructions for:

Therefore, on MSDS list, description section shows a physical property of hydrochloric acid. Option A is the correct answer.

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Answer:

Explanation:

Here, we want to calculate the initial volume of the container

Mathematically, we know that volume and pressure are inversely related. What this means is that as volume increases, pressure is expected to decrease and as pressure increases, volume is expected to decrease

A mathematical link between these two is as follows:

The above is according to Boyles' law.

The values with subscript 1 are the initial values, while the values with the subscript 2 are the final values

Thus:

V1 = ?

P1 = 1.25 atm

V2 = 1L

P2 = 3.75 atm

From the relation:

Answer:

D) Water

Explanation:

The solute is dissolved in the solvent. The solvent is normally the liquid in a solid-liquid solution.

Something that helps me remember this is that in salt water... salt is the solute. They both have a t. That is probably dumb but it helps me lol

but yeah... the answer is D) water

Answer:

water

Explanation:

study island

William's grandfather has dementia . They feed him, bathe him, and care for his daily needs. William and his family are serving as volunteer caregivers.

Dementia is a condition in which a person loses so much of their ability to think, remember, and reason that it makes it hard for them to do things they normally do. Certain individuals with dementia have no control over their feelings, and their characters might change.

Dementia is brought about by harm to synapses. The ability of brain cells to communicate with one another is disrupted as a result of this damage. At the point when synapses can't convey regularly, thinking, conduct and sentiments can be impacted.

There is at present no "fix" for dementia. In fact, there is unlikely to be a single treatment for dementia because it is caused by multiple diseases. Curing diseases that cause dementia, such as Alzheimer's, frontotemporal dementia, and dementia with Lewy bodies, is the goal of research.

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Answer: C

Explanation:

The highest melting point is 0.100 m AlCl₃

Water has a 0.51 Cl  molal melting point elevation constant.

They all share the same molal melting point elevation constant because they are all aqueous solutions.

ΔT = i*Kb*m

The melting point elevation is ΔT, 

i = the van't Hoff factor =1,

The molal elevation constant of water's melting point is 0.51°C/m.

"where m = the molality = 0.100 m"

ΔT = i*Kb*m

ΔT = 1 * 0.51 * 0.100

ΔT  = 0.051 °C

ΔT = i*Kb*m

ΔT =2 * 0.51 * 0.100

ΔT = 0.102 °C

ΔT = i*Kb*m

ΔT =4 * 0.51 * 0.100

ΔT = 0.204 °C

ΔT = i*Kb*m

ΔT =3 * 0.51 * 0.100

ΔT = 0.153 °C

Your question is incomplete but most probably your full question was

which aqueous solution will have the highest melting point? assume all of the solute are nonvolatile and have ideal van't hoff factors. 0.100 m C₆H₁₂O₆ 0.100 m NaCl 0.100 m AlCl₃0.100 m MgCl₂

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To convert the pressure of a particular gas, expressed in bar units, to units of atmosphere, it is necessary to divide the given pressure by the value of one atmosphere in bar units. Thus, to convert 3.38 bar to atmospheres, it is necessary to divide 3.38 by 1.01325 bar/1 atm.

Pressure can be expressed in various units. One of the most commonly used units of pressure is the atmosphere, abbreviated atm. Other commonly used units of pressure include the torr, millimeters of mercury (mm Hg), kilopascals (kPa), and pounds per square inch (psi). To convert pressure from one unit to another, it is necessary to use conversion factors that relate the two units.

Here are some of the most commonly used conversion factors:1 atm = 760 mm Hg1 atm = 101.3 kPa1 atm = 1.01325 barTo convert a pressure expressed in one unit to another unit, it is necessary to use the appropriate conversion factor in a way that cancels out the initial unit and leaves the desired unit. For example, to convert 3.38 bar to atmospheres, it is necessary to use the conversion factor that relates bar to atmospheres:1 atm = 1.01325 barThis means that one atmosphere is equivalent to 1.01325 bar.

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Answer:

C triple

Explanation:

please crown me

Direct contact between objects causes conduction or heat transfer. The heat is transferred inside the fluid during convection. Heat transfer in radiation happens by electromagnetic waves without the use of particles.

First, ascertain whether the two things are in contact. If they are, conduction is how heat is transferred between them. Determine whether there is a fluid medium, such as a liquid or gas, connecting the items if they are not in contact.

Evidence of heat transport is apparent. Convection is the phenomenon that causes the air to shimmer over radiators. Conduction is the phenomenon that causes you to feel warm when you place your hand on a spoon that has been sitting in a hot bowl of soup (radiation).

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When the "show polar molecules" inset checkbox is selected, polar molecules are highlighted in a different color from nonpolar molecules. This allows us to observe the effect of polarity on intermolecular forces between molecules.

Polar molecules have a permanent dipole moment due to the electronegativity difference between the atoms in the molecule. This means that there is an uneven distribution of electrons, with one end of the molecule being more negative (due to the presence of a lone pair of electrons or a more electronegative atom) and the other end being more positive.

The presence of these dipoles results in the formation of dipole-dipole interactions, which are stronger than the London dispersion forces that nonpolar molecules experience. The greater the polarity of a molecule, the stronger the dipole-dipole interactions will be.

Therefore, when observing the polar molecules inset, we can see that polar molecules tend to be clustered together, forming stronger intermolecular forces than nonpolar molecules. This clustering can lead to higher boiling points, increased solubility in polar solvents, higher viscosity, and higher surface tension due to the stronger intermolecular forces between molecules.

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The following options best describe prototypes that we create as part of interactive system design in HCI:

They are simplified versions of the final product that help us understand and communicate design ideas and user requirements.

They are used to test and evaluate design decisions and identify potential problems and issues before the final product is built.

They can take various forms, such as sketches, wireframes, mockups, or working prototypes, depending on the stage of the design process and the goals of the evaluation.

They can be modified and refined based on feedback and testing results, which allows for iterative and incremental design improvements.

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The second and third electron affinities are generally endothermic processes, meaning they require the input of energy. This is because the addition of an electron to an already negatively charged ion requires more energy than adding an electron to a neutral atom.

The enthalpy change value for these processes will be positive, indicating an absorption of energy.

Second and third electron affinities are typically endothermic processes, which means they require energy to occur. The enthalpy change value for these processes is usually positive, indicating that energy is absorbed during the addition of the second or third electron.

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The result table indicate that A. The solute is a SOLID because it has a DECREASE in the amount dissolved as temperature decreases.

The solubility of a solid solute in a liquid solvent generally decreases as the temperature decreases. This is because the kinetic energy of the solute molecules decreases as the temperature decreases. As the kinetic energy of the solute molecules decreases, they are less likely to have enough energy to escape from the solution and enter the gas phase.

In the table, as the temperature decreases, the concentration of the solute in the solution decreases. This indicates that the solute is a solid and that the solubility of the solute decreases as the temperature decreases.

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According to the given information There are no living things on the Moon sentence is a scientific statement.

"Matter with a given composition and specific qualities is referred to be a substance." A substance is every unit or pure compound. No physical technique can separate a substance. A pure substance's composition and qualities are fixed.

There is no such thing as pure blood. Numerous diverse substances, including cells, minerals, proteins, and water, make up blood. It is a mixture since there are several types of molecules and elements present. Because it is possible to separate the cells from of the plasma, blood is truly a heterogeneous combination and does not have a consistent makeup.

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