Gracile nucleus gray matter component.
The thalamus is a paired gray matter structure of the diencephalon located near the center of the brain. It is above the midbrain or mesencephalon, allowing for nerve fiber connections to the cerebral cortex in all directions — each thalamus connects to the other via the interthalamic adhesion. The thalamus forms the upper and lateral walls of the third ventricle while the dorsal surface is part of the floor of the body of the lateral ventricle. Laterally, the thalamus limits with the posterior arm of the internal capsule. Anterolaterally, it limits with the head of the caudate and ventral nucleus with the subthalamus and hypothalamus.
To know more about thalamus click here:
https://brainly.com/question/13179936
#SPJ4
What amount of hydrogen(H), in moles, is present in the water (H2O) produced
Explanation:
According to the problem 0.2916 g of water were produced, so we have to find the number of moles of H in that sample of water. First we will convert those grams into moles using the molar mass of water.
molar mass of H = 1.01 g/mol
molar mass of O = 16.00 g/mol
molar mass of H₂O = 2 * 1.01 g/mol + 1 * 16.00 g/mol
molar mass of H₂O = 18.02 g/mol
moles of H₂O = 0.2916 g * 1 mol/(18.02 g)
moles of H₂O = 0.01618 moles
One molecule of H₂O contains two atoms of H. So 1 mol of H₂O molecules will contain 2 moles of H atoms. We can use that relationship to find the answer to our problem.
1 mol of H₂O = 2 moles of H
moles of H = 0.01618 moles of H₂O* 2 moles of H/(1 mol of H₂O)
moles of H = 0.03236 mol
Answer: 0.03236 mol of H atoms are present in the water produced.
A) In the combustion of heptane, C7H16, carbon dioxide, CO2, is produced. Suppose that you want to collect 59.4 kg of CO2. What volume of heptane gas at 129.0°C must be burned at a pressure of 29.8 inHg to produce the CO2? Use R = 0.082057 L atm/mol K and Kelvin = 273.15 + °C. The molar mass of carbon dioxide is 44.01 g/mol. 29.92 inHg = 1 atm.
C7H16 (g) + 11 O2(g) → 7CO2(g) + 8H2O (g)
Answer:
Explanation:
First, we need to find the moles of CO2 that will be produced by using the given mass:
59.4 kg CO2 = 59400 g CO2
moles CO2 = 59400 g / 44.01 g/mol = 1349.2 mol CO2
According to the balanced chemical equation, 1 mole of heptane produces 7 moles of CO2. Therefore, the moles of heptane required can be calculated as:
moles heptane = moles CO2 / 7 = 1349.2 mol / 7 = 192.74 mol
Next, we can use the ideal gas law to calculate the volume of heptane gas at the given conditions:
PV = nRT
where P = 29.8 inHg = 1.011 atm (converted using 1 atm = 29.92 inHg), V is the volume we want to find, n = 192.74 mol, R = 0.082057 L atm/mol K, and T = 129.0°C = 402.15 K (converted using Kelvin = Celsius + 273.15).
Solving for V, we get:
V = nRT / P = (192.74 mol)(0.082057 L atm/mol K)(402.15 K) / 1.011 atm = 6573 L
Therefore, the volume of heptane gas required is 6573 L at the given conditions.
Answer:
The volume of heptane gas that needs to be burned is 3.77 L. This can be calculated using the ideal gas law. The equation is PV = nRT, where P is the pressure (1 atm), V is the volume, n is the number of moles of heptane, R is the universal gas constant (0.082057 L atm/mol K) and T is the temperature in Kelvin (K = 273.15 + 129.0 = 402.15). To find the number of moles of heptane, we divide the mass of CO2 (59.4 kg) by its molar mass (44.01 g/mol). This gives us 1.34 mol of CO2. Since the equation is 7CO2 = C7H16, then 1.34 mol of CO2 is equivalent to 0.19 mol of heptane. Then, we plug the values into the ideal gas law equation and solve for V:
V = (0.19 mol)(0.082057 L atm/mol K)(402.15 K) / (1 atm)
V = 3.77 L
why do we not do a melting point directly on camphor to assess its purity?
Camphor get sublimated when it is getting in contact into heat that is why we do not do a melting point on it.
Camphor isn't a suitable emulsion for determining its chastity by melting point because it has a fairly broad melting range and a high degree of sublimation, which can make it delicate to gain accurate and reproducible melting point data. Camphor has a melting point range of roughly 175- 180 °C, which is fairly broad compared to numerous other organic composites. This broad melting range can make it delicate to determine the precise melting point of camphor, which can affect the delicacy of assessing its chastity.
In addition, camphor has a high degree of sublimation, meaning it can decimate directly from its solid form to its gas phase without going through a liquid phase. This can beget crimes in determining the melting point because the sublimation of camphor can affect the appearance of the sample, similar as the conformation of recesses or craters on the face, which can make it delicate to directly determine the melting point.
Learn more about camphor at
https://brainly.com/question/29848323
#SPJ4
explain why the hazard of the dilute hydrolic acid is lower than the hazard of concentrated ethanoic acid even though hydrolic acid is a strong acid and ethanoic is a weak acid
Answer:
Hydrocholoric acid is a strong acid-all of the acid molecules will release their protons into a solution, making it very acidic. Ethanoic acid, on the other hand, is a weak acid-it will only donate some of its hydrogen ions into a solution, making it less acidic than hydrochloric acid solution.
Explanation:
The hazard of dilute hydrochloric acid is generally lower than the hazard of concentrated ethanoic acid, despite hydrochloric acid being a strong acid and ethanoic acid being a weak acid, due to differences in their concentrations and chemical properties.
What is ethanoic acid ?Concentrated ethanoic acid, also known as glacial acetic acid, has a high concentration of acid molecules, typically around 99%. This means that it can cause severe chemical burns and can be very corrosive when it comes into contact with skin or other materials. In addition, it releases strong, pungent vapors that can irritate the eyes, nose, and throat.
On the other hand, dilute hydrochloric acid has a lower concentration of acid molecules, usually around 5-10%, making it less corrosive and less hazardous. While hydrochloric acid is a strong acid, its low concentration reduces its reactivity and corrosivity. However, it still poses some hazards, such as being an irritant to the eyes, skin, and respiratory tract.
Therefore, while the strength of an acid is an important factor in determining its hazards, the concentration and other chemical properties of the acid are also crucial factors to consider.
In the case of dilute hydrochloric acid and concentrated ethanoic acid, the difference in their concentrations and chemical properties contributes to the difference in their levels of hazard.
Find more on ethanoic acid:
https://brainly.com/question/31173462
#SPJ3
What is a concentrated solution?
Answer:
What is a concentrated solution?
Concentrated solution is a solution that contains a large amount of solute relative to the amount that could dissolve.
xXxAnimexXx
Happy Labor day!
correct way for calculating atomic mass
Answer:
mass number = protons + neutrons.
Explanation:
Together, the number of protons and the number of neutrons determine an element's mass number: mass number = protons + neutrons. If you want to calculate how many neutrons an atom has, you can simply subtract the number of protons, or atomic number, from the mass number.
According to the following chemical
reaction
SiO2(s) + 3C(s) + 3 SIC(s) + 2C0(g)
if 3 mol of SiO2 are added to 4 mol of C
How many moles of excess reactant
remain?
how many flourine atoms are in 410 g of UF6
3.6 ×10²⁴ atoms fluorine are in 410 g of UF\(_6\). Fluorine is an atomic number 9 chemical element with both the symbol F.
What is fluorine?Fluorine is an atomic number 9 chemical element with both the symbol F. This is the smallest halogen as well as occurs as a very poisonous, pale yellow diatomic vapor under normal circumstances.
It is exceptionally reactive being the most electronegative active catalyst, reacting with all other elements save the light inert.
mole = 410 / 352.02 =1.16mole
number of atom= 1.16× 6.022×10²³=6.98×10²³
number of atom of fluorine =6× 6.98×10²³= 3.6 ×10²⁴ atoms
Therefore, 3.6 ×10²⁴ atoms fluorine are in 410 g of UF\(_6\).
To learn more about fluorine, here:
https://brainly.com/question/10700214
#SPJ1
which property of water allows it to dissolve many substances?
The property of water that allows it to dissolve many substances is its polarity.
What is polarity?
Polarity refers to the distribution of electrical charge in a molecule. A polar molecule has an uneven distribution of electrons, resulting in a partial positive charge on one end of the molecule and a partial negative charge on the other end. This creates a dipole moment in the molecule.
Water molecules are polar, meaning that the electrons in the molecule are not distributed evenly, resulting in a partial positive charge on one end of the molecule and a partial negative charge on the other end.
This polarity allows water molecules to form hydrogen bonds with other polar or charged molecules, such as ions and polar compounds. This type of bonding allows many substances, such as salt and sugar, to dissolve in water.
Additionally, the polarity of water molecules also allows them to interact with nonpolar substances through London Dispersion Forces, which also allows some nonpolar substances to be dissolved in water.
Hence, the polarity of water allows it to dissolve many substances.
To learn more about polarity from the given link:
https://brainly.com/question/8229259
#SPJ4
Which of the following best predicts the effect of not having ATP available to supply energy to this process? H+ ions will stop moving through the protein. An investigator wants to understand whether a newly found membrane protein is involved in membrane transport of a certain particle.
The following statement best predicts the effect of not having ATP available to supply energy to the process: H+ ions will stop moving through the protein.ATP is an important molecule in cells, which stores and releases energy.
When ATP molecules break down, they release energy that is used to fuel cellular processes such as muscle contraction, protein synthesis, and cell division. ATP is also essential for active transport in the cell membrane.
Therefore, if ATP is not available to supply energy to this process, the hydrogen ions will stop moving through the protein.The H+ ions move through a protein that forms a channel in the membrane to create an electrochemical gradient in the cell.
The movement of the Hydrogen ions drives the movement of other particles in or out of the cell through the same protein. However, without ATP, the protein cannot actively transport the H+ ions against the electrochemical gradient. Consequently, the H+ ions will stop moving through the protein.
This will prevent the formation of an electrochemical gradient, leading to a lack of energy for cellular processes that rely on this gradient.The newly found membrane protein is possibly involved in membrane transport of a certain particle. This means that the protein might help in moving particles in or out of the cell.
In active transport, the protein uses energy to move particles across the membrane against their concentration gradient. ATP provides this energy.
Therefore, if ATP is not available, the protein cannot actively transport the particle. This means that the particle will not move against its concentration gradient, leading to a lack of transport of that particle.
To know more about cellular processes click on below link:
https://brainly.com/question/29975414#
#SPJ11
a regular solid box has a length of 5cm a width of 2cm and a height of 3cm what is the volume of the box
Volume of the regular solid = l × w × h
= (5 cm × 2 cm × 3 cm)
= 30 cm³
Please help me! I got quarantined right when they started a new unit and im confused
How many moles of glucose C6H12O6 can react with 15.7 moles of oxygen? C6H12O6 + 6O2 -----------> 6CO2 + 6H2O
2.62 moles of glucose can react with 15.7 moles of oxygen. The balanced chemical equation for the combustion of glucose is:
C6H12O6 + 6O2 → 6CO2 + 6H2O
From the equation, we can see that for every mole of glucose that reacts, 6 moles of oxygen are required. Therefore, the number of moles of glucose that can react with 15.7 moles of oxygen can be calculated as follows:
Number of moles of glucose = (Number of moles of oxygen) / 6
Number of moles of glucose = 15.7 / 6
Number of moles of glucose = 2.62
Therefore, 2.62 moles of glucose can react with 15.7 moles of oxygen.
To know more about oxygen, visit :
https://brainly.com/question/13370320
#SPJ1
What law states that matter cannot be created nor
destroyed, even in a chemical reaction?
A
Newton's Laws of Motion
B
Law of Conservation of Mass
Answer:
I believe it would be Law of conservation of mass (sorry if I'm incorrect)
what is the lewis acid in the following reaction? nh3 bf3 <---> nh3bf3 group of answer choices bf3 because it receives a lone pair. bf3 because it donates a lone pair. nh3 because it receives a lone pair. nh3 because it donates a lone pair.
The correct answer is option A) BF3 because it receives a lone pair. In this reaction, a Lewis acid-base reaction is taking place, in which a Lewis acid (electron pair acceptor) and a Lewis base (electron pair donor) are reacting to form a coordinate covalent bond.
BF3 serves as an electron pair acceptor and is the Lewis acid. This is due to the fact that BF3 has an open p-orbital that can receive a Lewis base's sole pair of electrons, such as NH3. Here, NH3 serves as an electron pair donor and is a Lewis base.
This is due to the fact that NH3 has a single pair of electrons that can be transferred to the vacant p-orbital in BF3.
This is crucial for forming the coordinating covalent bond that gives rise to the compound NH3BF3 between BF3 and NH3.
Complete Answer:
What is the Lewis acid in the following reaction? NH3 + BF3 <----> NH3BF3
Group of answer choices
A) BF3 because it receives a lone pair
B) BF3 because it donates a lone pair
C) NH3 because it receives a lone pair
D) NH3 because it donates a lone pair
To learn more about Lewis acid-base visit:
https://brainly.com/question/23433599
#SPJ4
how many moles of NaOH are produced from 1.20 moles of Na2O?
According to the stoichiometry of the mentioned chemical reaction,2.40 moles of NaOH are produced from 1.20 moles of Na₂O.
What is stoichiometry?Stoichiometry is the determination of proportions of elements or compounds in a chemical reaction. The related relations are based on law of conservation of mass and law of combining weights and volumes.
Stoichiometry is used in quantitative analysis for measuring concentrations of substances present in the sample.It is used in balancing chemical equations for the law of conservation of mass to be implemented.
According to the reaction, as 1 mole of sodium oxide produces 2 moles of NaOH , therefore 1.20 moles of sodium oxide will produce 1.20×2/1=2.40 moles of sodium hydroxide.
Thus, 2.40 moles of NaOH are produced from 1.20 moles of Na₂O.
Learn more about stoichiometry,here:
https://brainly.com/question/9743981
#SPJ2
Please try and help me understand what the answer would be and how to get the answer for specifically what is S for silicon tetrachloride, SiCI4?
Answer
Explanation
In the Lewis Dot structure, S = N - A is used to calculate the total number of shared and unshared electrons in a molecule.
S represents the TOTAL number of valence shared electrons in a molecule to achieve an octet, N represents the sum of the number of valence electrons of all the atoms of the molecule, and A is the number of valence electrons in an electron pot.
For SiCl₄, the valence electron on each atom coming together to form the molecule is:
Valence electron on Si = 4
Valence Electron on Cl = 7
Total valence electron on SiCl₄ = 4 + (4 x 7) = 32
The least electronegative Si atom is placed at the center, and four Cl atoms are connected with a single bond.
A single bond takes up 2 valence electrons, so for four bonds, 8 valence electrons have been occupied, and we are left with 32 - 8 = 24 valence electrons.
Thus, in the Lewis Dot structure S = N - A , the TOTAL number of valence electrons in a molecule to achieve an octet of SiCl₄ to achieve an octet is
What is the key difference between a liquid and a gas?
A. average kinetic energy
B. intermolecular attractions
C. the ability to flow
B. intermolecular attractions.
Consider the potassium permanganate reaction again. 2kmno4 16hcl → 2kcl 2mncl2 8h2o 5cl2 how many moles of water are produced when 3.45 moles of kmno4 react? type in your answer using 3 significant figures (the same as the given moles). moles h2o
13.8 moles of Water will be produced when 3.45 moles of KMnO₄ reacts.
How to Calculate the number of moles of reactant and products in a chemical reaction ?The equation should be balanced and gives proper stoichiometry.
The given equation for the reaction is ;
16HCl + 2KMnO₄ ------> 2KCl + 2MnCl₂ + 5Cl₂ + 8H₂O
This is a redox reaction involving HCl and KMnO4.
According to stoichiometry of the reaction, 2 moles of KMnO₄ will produce 8 moles of H₂O.
It means, 1 mol of KMnO₄ will produce exactly 4 moles of H₂O. (since 8/2 = 4).
Therefore, 3.45 moles of KMnO₄ , will produce ;
3.45 moles × 4 = 13.8 moles
Hence, when 3.45 moles of KMnO₄ react, 13.8 moles of water will be produced.
Learn more about Stoichiometry Here ;
https://brainly.com/question/14935523
#SPJ1
2H2O --> 2H2 + O2 If you begin with 20 grams of H2O, how many moles of O2 are produced?
Answer:
17.78 gm
Explanation:
2 H20 mole weight = 36 gm
which leads to 32 gm O2
36 / 32 = 20 / x x = 17.78 gm
The decomposition of dinitrogen pentoxide, n2o5, to no2 and o2 is a first-order reaction. At 60°c, the rate constant is 2. 8 × 10-3min-1. If a rigid vessel initially contains only n2o5 at a pressure of 125 kpa, how long will it take for the total pressure to reach 146 kpa?.
The time required for the total pressure to reach 146 kPa is 304 min. (approximately 5 hours).
Given that the rate constant of the reaction is 2.8 x 10⁻³ min⁻¹. The pressure of N₂O₅ initially is 125 kPa. The pressure of N₂O₅ at equilibrium is 146 kPa. The first-order rate law expression for the decomposition of N₂O₅ is given by rate = k [N₂O₅] where k is the rate constant, [N₂O₅] is the concentration of N₂O₅ at any given time.
The partial pressure of N₂O₅ at equilibrium = 146 - PO₂. Therefore, the concentration of N₂O₅ at equilibrium = (146 - PO₂) / RT. Let's substitute the values in the integrated rate equation: kt = 2.303log (a / (a - x))2.8 x 10⁻³ x t = 2.303log (1 / (1 - x)). On solving, we get the value of x = 0.14. Therefore, the time required for the total pressure to reach 146 kPa is 304 min. (approximately 5 hours).
Learn more about partial pressure here:
https://brainly.com/question/23841760
#SPJ11
identify the number of outer and valence electrons for each of the following elements: a. as outer: valence: b. zr outer: valence c. cs outer: valence d. ir
a. As has 5 outer electrons and 5 valence electrons.
b. Zr has 4 outer electrons and 2 valence electrons.
c. Cs has 1 outer electron and 1 valence electron.
d. Ir has 9 outer electrons and 9 valence electrons.
a. As (Arsenic) has five outer electrons and three valence electrons.
b. Zr (Zirconium) has four outer electrons and two valence electrons.
c. Cs (Cesium) has six outer electrons and one valence electron.
d. Ir (Iridium) has nine outer electrons and nine valence electrons.
The outer electrons of an atom are the electrons in the highest energy level or outermost electron shell. The valence electrons are the outermost electrons that participate in chemical bonding. Knowing the number of outer and valence electrons of an element can help determine its reactivity and chemical properties, such as its ability to bond with other elements.
As (Arsenic) has five outer electrons, making it highly reactive, while Zr (Zirconium) has a lower reactivity due to its two valence electrons. Cs (Cesium) has only one valence electron, making it highly reactive, and Ir (Iridium) has a full outermost shell, making it very stable and unreactive.
Learn more about electrons.
https://brainly.com/question/12001116
#SPJ4
PLZ I NEED THIS ASAP!! ILL GIVE YOU BRAINLIST!!!
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:
Which part of the cell was most directly responsible for the shrunken appearance of the cell?
If a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink.
What is osmosis ?
Osmosis is the net movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.
This may sound odd at first, since we usually talk about the diffusion of solutes that are dissolved in water, not about the movement of water itself.
If a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink.
In an isotonic environment, there is no net water movement, so there is no change in the size of the cell.
When a cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell.
Therefore If a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink.
To know more about Osmosis
https://brainly.com/question/1799974
#SPJ1
Which person has the most momentum?
A. A 50 kg person with a velocity of 3 m/s south
B. A 85 kg person that is stationary
O C. A 65 kg person with a velocity of 2.0 m/s east
D. A 65 kg person with a velocity of 2.5 m/s north
The most momentum is D. A 65 kg person with a velocity of 2.5 m/s north.
What momentum really means?Momentum can be defined as "mass in motion." All items have mass; so if an object is moving, then it has momentum - it has its mass in movement. The amount of momentum that an item has depends upon two variables: how a lot of stuff is moving and how fast the stuff is moving.
Momentum is the force that exists in a shifting object. The momentum pressure of a moving item is calculated by way of multiplying its mass (weight) via its velocity (pace). Surely put, a 20-lb. rock going at 10 mph has lots more momentum force than a 3-lb. Ball going at the same speed.
Momentum is the pressure that exists in a transferring item. The momentum pressure of a shifting object is calculated with the aid of multiplying its mass (weight) by way of its velocity (velocity). Simply put, a 20-lb. Rock going at 10 mph has lots more momentum pressure than a three-lb. Ball going at equal speed. They're each associated with an item's pace (or speed) and mass, but momentum is a vector quantity that describes the amount of mass in motion. Kinetic power is a measure of an item's energy from movement and is a scalar.
Learn more about momentum here https://brainly.com/question/7538238
#SPJ2
What is a covalent bond?
explain your observations in terms of lechatelier's principle. how come we have to use 12 m hcl here? how would the equilibrium shift if we used 1 m hcl instead?
The Le Chatelier principle explains how an equilibrium changes when its conditions change. For variations in concentrations, temperature, or pressure, the shift's direction can be predicted. Although catalysts speed up the process of reactions reaching equilibrium, they do not change the location of an equilibrium.
The equilibrium will change to create more products if the concentration of the reactants (quantity of reactants) rises (product-favored). The reaction will change to produce additional reactants as the number of products rises (reactant-favored). Reactants benefit from a decrease in reactants. Products benefit from decreasing product. A system may gain temperature from the environment or as a result of a chemical interaction. The equilibrium moves to the right as the temperature drops (products). In other words, the system favors the reaction that produces heat to make up for the drop in temperature.
Learn more about Le Chatelier principle here:
https://brainly.com/question/29501115
#SPJ4
Decreases in melatonin result in decreased?
Answer:
Im going to say sleep
Explanation:
A sample of oxygen has a volume of 1.74 Liters at a pressure of 1.31 atm at 23C.
What is the mass is grams of oxygen gas in this sample?
The mass of oxygen gas in this sample of oxygen is calculated as to be equal to 2.976 gm.
What is the ideal gas law?Ideal gas law states that the product of pressure and the volume of one gram molecule of an ideal gas is equal to the product of absolute temperature of gas and the universal gas constant.
As, PV= nRT
1.31 atm= 995.6 mmHg
As , Gas constant, R = 62.36 mmHg Lk^-1 mol^-1
23 C = 23 +273= 296K
1.74( 995.6) = n (62.36) (296)
n = 0.093
Since, molar mass= number of grams / number of moles
and we know, molar mass of oxygen is 32
So, 32 * 0.093
= 2.976 gm
Now, the mass is grams of oxygen gas in this sample = 2.976 gm
To know more about ideal gas law, refer
https://brainly.com/question/27870704
#SPJ1
monomers used to make sodium polyacrylate polymer chains
Answer:
Another method tested in study to produce sodium polyacrylate as an alternative to current methods began with Butyl acrylate acrylic acid copolymer and poly(butyl acrylate)
Explanation:
They were synthesized via suspension polymerization by using butyl acrylate as the main monomer and acrylic acid as the secondary monomer
I suggest you get more info from wikipedia cause it helped me alot
The monomers used to make sodium polyacrylate polymer chains acrylic acid (H₂C=CHCOOH) and its sodium salt (H₂C=CHCOONa) .
What are Monomers ?Monomers are small organic molecules that have the capability to bond to form larger molecules known as polymers.
The reaction between acrylic acid (H₂C=CHCOOH) and its sodium salt (H₂C=CHCOONa) produces sodium polyacrylate.
A long-chain copolymer made up of alternate units of acrylic acid and sodium acrylate is the result of this process.
Acrylic acid and sodium acrylate form a copolymer, which is a polymer made up of two distinct monomers.
The monomers used to make sodium polyacrylate polymer chains acrylic acid (H₂C=CHCOOH) and its sodium salt (H₂C=CHCOONa) .
To know more about Monomers
https://brainly.com/question/18784783
#SPJ2