how many moles are in 25.3 g of a sample of potassium nitrate
Answers
There are 0.250 moles in 25.3 g of potassium nitrate.
To calculate the number of moles in a given mass of potassium nitrate (\(KNO_3\)), you need to follow these steps:
1. Determine the molar mass of potassium nitrate:
- Potassium (K): 1 x 39.1 g/mol = 39.1 g/mol
- Nitrogen (N): 1 x 14.0 g/mol = 14.0 g/mol
- Oxygen (O): 3 x 16.0 g/mol = 48.0 g/mol
The molar mass of \(KNO_3\) = 39.1 + 14.0 + 48.0 = 101.1 g/mol
2. Use the mass given (25.3 g) and the molar mass of \(KNO_3\) to find the number of moles:
Number of moles = mass (g) / molar mass (g/mol)
Number of moles = 25.3 g / 101.1 g/mol = 0.250 moles
So, there are 0.250 moles in 25.3 g of potassium nitrate.
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Related Questions
Where are halogens on the periodic table?
Answers
compound z has a mw of 100 g/mol. your lab partner weighed 250 grams of compound z and dissolved it in water to a final volume of 1 liter. what is the concentration of the solution expressed as a percentage by weight (w/v)?
Answers
compound z has a mw of 100 g/mol. partner weighed 250 grams of compound z dissolved it in water to a final volume 1 liter, concentration of the solution expressed as a percentage by weight M = 2.5 mol /L.
M = n / V
M = 2.5 mol / 1 L
Concentration is the ratio of a constituent's abundance to the mixture's overall volume. Mass, molar, number, and volume concentrations are among the different categories of mathematical description, which refers to the act or process of concentrating. 3. anything that is focused. 4. the strength of a solution, specifically the quantity of dissolved material in a given volume of solvent, is often represented in moles per cubic metre or cubic decimetre (mL). a solution is a particular sort of homogeneous mixture made up of two or more substances. A solution is a homogenous mixture of two or more components in which the particle size is smaller than 1 nm. A solute is a material dissolved in a solvent in such a mixture.
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which of the following is true of carbon? select all that are correct. group of answer choices it can form a maximum of four covalent bonds with other elements. it can form a maximum of three covalent bonds with other elements. it is highly electronegative. it can form both polar and nonpolar bonds. it can only form polar molecules.
Answers
Based on the given options, the following statements are true of carbon: It can form a maximum of four covalent bonds with other elements and It can form both polar and nonpolar bonds.
Carbon is an element with atomic number 6, meaning it has six protons in its nucleus. It has four valence electrons, which are the electrons involved in bonding with other atoms.
Carbon's electron configuration allows it to form four covalent bonds by sharing its valence electrons with other atoms. This property is known as tetravalency and is a fundamental characteristic of carbon.
Additionally, carbon can form both polar and nonpolar bonds depending on the atoms it is bonded to and the electronegativity difference between them.
When carbon bonds with atoms of similar electronegativity, such as hydrogen, the bond is nonpolar because the electrons are shared equally. However, if carbon bonds with atoms of higher electronegativity, such as oxygen or nitrogen, the bond becomes polar due to the unequal sharing of electrons.
In summary, carbon can form a maximum of four covalent bonds with other elements due to its tetravalent nature. It is not highly electronegative itself but can form both polar and nonpolar bonds depending on the atoms it is bonded to. Therefore, the correct statements are:
It can form a maximum of four covalent bonds with other elements.
It can form both polar and nonpolar bonds.
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True or false? The ground state electron configuration for manganese is [Ar]4 s
2
4 d
5
. True or false? The ground state electron configuration for calcium is 1s
2
2s
2
2p
6
3s
2
3p
6
4s
2
. How many valences electron dose Si(z=14) continue? How many orbitals are in the 4 s sublevel? How can I calculate the values of JJ (total angular momentum) for a particular term, for instance,
3
P ?
Answers
The ground state electron configuration for manganese is False. The ground state electron configuration for calcium is True.
The ground state electron configuration for manganese is False. The correct ground state electron configuration for manganese (Z = 25) is:
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁵
The ground state electron configuration for calcium is True. The correct ground state electron configuration for calcium (Z = 20) is:
1s² 2s² 2p⁶ 3s² 3p⁶ 4s²
For silicon (Z = 14), the electron configuration is:
1s² 2s² 2p⁶ 3s² 3p²
Therefore, silicon has 4 valence electrons.
The 4s sublevel can hold a maximum of 2 electrons. It consists of one orbital.
To calculate the values of JJ (total angular momentum) for a particular term, you need to consider the electron configuration and Hund's rule.
For the 3P term, the electron configuration would be:
3s² 3p³
To calculate the values of JJ, you need to consider the total number of electrons in the term. In this case, there are 5 electrons. According to Hund's rule, the maximum value of J is determined by the total number of unpaired electrons. Since there are 3 unpaired electrons in the 3P term, J can have values ranging from 3 - 1 to 3 + 1, which are 2 and 4. Therefore, for the 3P term, the possible values of JJ are 2 and 4.
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43. The student hopes the samples are gold, which has a density of 19.3 g/mL. A
local geologist suggest the samples might be pyrite, which is a mineral with a density
of 5.01 g/mL. What is the identity of the unknown sample?
44.Calculate the percent error of each sample. Use the density value given in question
above.
14.3-
TA
45.Was the data collected by the student accurate? Explain your answer.
Answers
Therefore, since the density of the samples are closer to the density of pyrite (5.01 g/cm³) we conclude that the samples are more like to be pyrite.
What is pyrite?pyrite, also called iron pyrite or fool’s gold, a naturally occurring iron disulfide mineral. The name comes from the Greek word pyr, “fire,” because pyrite emits sparks when struck by metal. Pyrite is called fool’s gold; to the novice its colour is deceptively similar to that of a gold nugget. Nodules of pyrite have been found in prehistoric burial mounds, which suggests their use as a means of producing fire.Wheel-lock guns, in which a spring-driven serrated wheel rotated against a piece of pyrite, were used before development of the flintlock. Pure pyrite (FeS2) contains 46.67 percent iron and 53.33 percent sulfur by weight. Its crystals display isometric symmetry. For detailed physical properties, see sulfide mineral.To learn more about sulfide mineral refer to:
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What is Sojourner Truth's response to the argument that women are weak and need to be taken care of? Find details in the text that help you answer the question
Answers
Sojourner Truth's response to the argument that women are weak and need to be taken care of can be summarized as a rejection of the notion and an assertion of women's strength and resilience.
She challenges the stereotype by sharing her own experiences and highlighting the physical and emotional hardships endured by women. In her famous speech, "Ain't I a Woman?", she emphasizes the strength and endurance of women, particularly African American women, who have faced significant challenges and overcome them.
Sojourner Truth's response to the argument that women are weak and need to be taken care of is evident in her powerful speech, "Ain't I a Woman?". In her speech, she questions the traditional stereotypes placed upon women and challenges the notion of female frailty. She shares her personal experiences of being a mother and working in the fields, emphasizing the physical labor and hardships endured by women.
She highlights the strength and resilience of women, particularly African American women, who have not only faced the burdens of labor but also the additional struggles of racism and discrimination. Through her speech, Truth effectively argues against the idea that women are weak and asserts the strength and endurance of women in the face of adversity.
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compare the following: acid 1: hypochlorous acid , hclo acid 2: hydrogen sulfide ion , hs- acid 3: hydrofluoric acid , hf what is the formula for the strongest acid ?
Answers
The formula for the strongest acid is: HF.
To compare the strengths of the given acids, we can use their acid dissociation constants (Ka). The larger the Ka value, the stronger the acid.
The Ka values for the given acids are:
Hypochlorous acid (HClO): Ka = 3.5 × 10^-8
Hydrogen sulfide ion (HS^-): Ka = 1.0 × 10^-7
Hydrofluoric acid (HF): Ka = 6.8 × 10^-4
Comparing the Ka values, we can see that hydrofluoric acid (HF) has the largest Ka value and is therefore the strongest acid among the three given acids.
The formula for the strongest acid is: HF.
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What is the mole fraction (Χ) of CH3OH, methanol, in a solution of 8.50 mL of CH3OH and 4.53 g of C6H5COOH, benzoic acid ? Density of CH3OH is 0.792 g/mLMolar mass of CH3OH is 32.04 g/molMolar mass of C6H5COOH is 122.12 g/mol
Answers
The mole fraction of \(CH_3OH\)in the solution is 0.850 or 85.0%.
To calculate the mole fraction (Χ) of methanol (CH3OH) in the given solution, we need to determine the number of moles of CH3OH and the number of moles of \(C_6H_5COOH\)(benzoic acid) in the solution.
First, we can calculate the number of moles of CH3OH using its volume and density:
Mass of CH3OH = Volume x Density = 8.50 mL x 0.792 g/mL = 6.732 g
Number of moles of CH3OH = Mass / Molar mass = 6.732 g / 32.04 g/mol = 0.210 mol
Next, we can calculate the number of moles of \(C_6H_5COOH\)using its mass and molar mass:
Number of moles of C6H5COOH = Mass / Molar mass = 4.53 g / 122.12 g/mol = 0.0371 mol
The total number of moles of solute in the solution is the sum of the moles of CH3OH and C6H5COOH:
Total number of moles = 0.210 mol + 0.0371 mol = 0.247 mol
Finally, we can calculate the mole fraction of \(CH_3OH\)using its number of moles and the total number of moles:
Mole fraction of \(CH_3OH\)= Number of moles of \(CH_3OH\)/ Total number of moles = 0.210 mol / 0.247 mol = 0.850
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Calculate to three significant digits the density of boron trifluoride gas at exactly 15 celsius and 1 atm exactly. you can assume boron trifluoride gas behaves as an ideal gas under these conditions.
___g/l
Answers
The density of boron trifluoride gas at exactly 15 Celsius and 1 Atm exactly is 3.08 g/L.
P = 1 atm , T = (-5 + 273) K = 268 K
Now,
P/RT = n/V
=> 1 atm / 0.08206 L atm/mol K x 268 K = n/V
=> 1 / 21.99208 = n /V
=> 0.04547 mol / L = n/V
Now, convert mol to grams as--
0.04547 mol /L x (67.82 g BF3/ 1 mol BF3 ) = 3.08 g/L
At the end of the 18th century, scientists realised that correlations between pressure, volume, and temperature of a sample of gas could be derived that would hold to approximation for all gases.
In 1808 Joseph Louis Gay-Lussac discovered Gay-law, Lussac's often known as Amontons' law or the pressure law. It asserts that the pressure exerted on the walls of an ideal gas's container is precisely proportional to its absolute temperature for a given mass and constant volume.
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What is the ground state electron configuration for sodium (Na)?
Answers
Answer: Na has a ground-state electronic configuration of 1s2 2s2 2p6 3s1. Removing the 3s electron leaves us with the noble gas configuration 1s2 so a sodium ion is Na+.
Explanation: I HOPE THAT HELPED!
Explain what you know about acid rain and why it is bad.
Answers
Answer:
Explanation:
Acid rain that seeps into the ground can dissolve nutrients, such as magnesium and calcium, that trees need to be healthy. Acid rain also causes aluminum to be released into the soil, which makes it difficult for trees to take up water. ... The acidic clouds and fog strip important nutrients from their leaves and needles.
pls pls help me 20 minutes left pls help
Answers
Answer:
seed and spores
Explanation:
I wish I'm correct
hope this helps
If I'm wrong SORRY
2. When it is winter, the United States receives the least direct solar energy, as compared with the rest of the year. Why does this happen? Pg. 36,43
Answers
Answer:
This is because earth is at a tilt, and the tilt is the cause of all seasons. In winter, we are the furthest from the sun due to the tilt.
Explanation:
60 ml of a 1.0 m solution of h2so4 is mixed with distilled water to make 1 l of solution. what is the molarity? select one: a. 0.30 m b. 0.03 m c. 0.09 m d. 0.06 m
Answers
Answer:
D- 0.06 M
Explanation:
using the dilutions formula m1v1=m2v2 we can substitute the values.
note- 1l=1000ml
1(60)=m2(1000) and solve for m2 via algebra you get .06 M
what mass (in grams) of NH4Cl is needed to prepare 350 mL of a 0.25 M ammonium chloride solution
Answers
Answer:
4.70 grams of NH4Cl is needed to prepare 350 mL of a 0.25 M ammonium chloride solution.
We need approximately 4.68 grams of NH4Cl to prepare a 0.25 M ammonium chloride solution with a volume of 350 mL.
To determine the mass of NH4Cl needed to prepare the solution, we us use the formula:
m=M x V x MM ... (i)
where,
m= mass in grams
M=molarity of solution
MM= molar mass of compound
V= volume in litres
The number of moles of NH4Cl needed can be calculated using:
Moles = Molarity x Volume ...(ii)
Moles = 0.25 mol/L x 0.350 L
Moles = 0.0875 mol
Hence we can replace M x V with number of moles in equation i.
The molar mass of NH4Cl is :
Molar mass of NH4Cl = (1 x 14.01 g/mol) + (4 x 1.01 g/mol) + (1 x 35.45 g/mol)
Molar mass of NH4Cl = 53.49 g/mol
We have all the variables
Putting them in equation i.
Hence,
Mass (g) = Moles x Molar mass
Mass (g) = 0.0875 mol x 53.49 g/mol
Mass (g) = 4.68 g
Therefore, you would need approximately 4.68 grams of NH4Cl to prepare a 0.25 M ammonium chloride solution with a volume of 350 mL.
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what mass of methanol is produced when 280.2 g of carbon monoxide reacts with 50.5 g of hydrogen? CO(g)+2H2(g)—> CH3OH(l)
Answers
Answer:
320.23g of CH3OH.
Explanation:
We'll begin by writing the balanced equation for the reaction. This is given below:
CO(g) + 2H2(g)—> CH3OH(l)
Next, we shall determine the masses of CO and H2 that reacted and the mass of CH3OH produced from the balanced equation. This is illustrated below below:
Molar mass of CO = 12 + 16 = 28g/mol
Mass of CO from the balanced equation = 1 x 28 = 28g
Molar mass of H2 = 2x1 = 2g/mol
Mass of H2 from the balanced equation = 2 x 2= 4g
Molar mass of CH3OH = 12 + (3x1) + 16 + 1 = 32g/mol
Mass of CH3OH from the balanced equation = 1 x 32 = 32g
From the balanced equation above,
28g of CO reacted with 4g of H2 to produce 32g of CH3OH.
Next, we shall determine the the limiting reactant. This is illustrated below:
From the balanced equation above,
28g of CO reacted with 4g of H2.
280.2g of CO will react with =
(280.2 x 4)/28 = 40.03g of H2.
From the calculations made above, we can see that only 40.03g out of 50.5g of H2 is required to react completely with 280.2g of CO.
Therefore, CO is the limiting reactant and H2 is the excess reactant.
Finally, we shall determine the mass of methanol, CH3OH produced from the reaction.
In this case, the limiting reactant will be used because it will give the maximum yield of the reaction since all of it is used up in the reaction. The limiting reactant is CO and the mass of methanol, CH3OH produced can be obtained as follow:
From the balanced equation above,
28g of CO reacted to produce 32g of CH3OH.
Therefore, 280.2g of CO will react to produce = (280.2 x 32)/28 = 320.23g of CH3OH.
Therefore, 320.23g of CH3OH were produced from the reaction.
for the following reaction, 0.270 moles of iron are mixed with 0.579 moles of oxygen gas
For the following reaction, 0.270 moles of iron are mixed with 0.579 moles of oxygen gas. iron(s) oxygen(g) → iron(II) oxide(s) What is the formula for the limiting reagent? What is the maximum amount of iron(II) oxide that can be produced?
Answers
The formula for the limiting reagent is Fe, and the maximum amount of iron(II) oxide that can be produced is 0.135 moles.
To determine the limiting reagent and the maximum amount of iron(II) oxide that can be produced, we need to compare the moles of each reactant and their stoichiometric ratios in the balanced equation.
The balanced equation for the reaction is:
4Fe(s) + 3O₂(g) → 2Fe₂O₃(s)
From the balanced equation, we can see that the stoichiometric ratio between iron and oxygen is 4:3. This means that 4 moles of iron react with 3 moles of oxygen to produce 2 moles of iron(II) oxide.
Moles of iron(II) oxide = min (0.270 moles of Fe, (0.579 moles of O₂) × (2 moles of Fe₂O₃ / 3 moles of O₂))
To determine the limiting reagent, we compare the moles of iron and oxygen and choose the reactant that produces the lesser moles of iron(II) oxide. In this case, we have:
Moles of iron(II) oxide produced from 0.270 moles of Fe = 0.270 moles × (2 moles of Fe₂O₃ / 4 moles of Fe) = 0.135 moles
Moles of iron(II) oxide produced from 0.579 moles of O₂ = 0.579 moles × (2 moles of Fe₂O₃ / 3 moles of O₂) = 0.386 moles
Since 0.135 moles of iron(II) oxide is less than 0.386 moles, the limiting reagent is iron.
Therefore, the formula for the limiting reagent is Fe, and the maximum amount of iron(II) oxide that can be produced is 0.135 moles.
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Acetic acid (ch3cooh) and trifluoroacetic acid (cf3cooh) are shown by these particulate models. the ka for trifluoroacetic acid is 104 times greater than acetic acid. use the models to account for the differences in magnitude for the ka constant. the green atoms are fluorine, the red atoms are oxygen, the black atoms are carbon, and the white atoms are hydrogen.
Answers
Answer:
See explanation
Explanation:
If we look at the models, we will see that the three fluorine atoms in CF3COOH are attached to the carbon that is next to the -COOH group.
As a result of the electron withdrawing effect of the three fluorine atoms, CF3COOH is much more acidic (104 times more acidic) than CH3COOH. This is reflected in the value of the Ka for each acid.
This electron withdrawing effect of the three fluorine atoms also stabilizes CF3COO- much more than CH3COO-.
Which of the following is an example of conduction?
OPTIONS
Touching a stove and burning your hand
An old-fashioned radiator
Heat from a fire
Batteries
Answers
Conductions is batteries because it’s a battery and it can use e gweh
Which of the following are decomposition reactions? ch4 (g) + o2 (g) → co2 (g) + h2o (l) cao (s) + co2 (g) → caco3 (s) mg (s) + o2 (g) → mgo (s) pbco3 (s) → pbo (s) + co2 (g)
Answers
Answer:
I cant really see the individual problems very well but i hope this helps
Explanation:
Decomposition = one thing -> 2 or more things
Synthesis= 2 or more things -> 1 thing
if it takes 30.3ml of 2.5m naoh to neutralize 20ml of h2so4 in a battery. what is the molarity of h2so4
Answers
Answer:
1.89 M
Explanation:
First calculate moles of NaOH
M = moles/Vol in L
moles = M x Vol in L
moles = 2.5 M x 0.0303 L
moles = 0.07575 moles
Also, the reaction between NaOH and H2SO4 is
2 NaOH + H2SO4 ----> Na2SO4 + 2 H2O
For every one mole of H2SO4, 2 moles of NaOH reacts.
So, for 0.07575 moles of NaOH, 0.037875 moles of H2SO4 will react.
Now, calculate molarity of H2SO4
M = moles / Vol in L
M = 0.037875 mol / 0.02 L
M = 1.89 M
According to the molar concentration, the molarity of sulfuric acid is 3.78 M.
What is molar concentration?Molar concentration is defined as a measure by which concentration of chemical substances present in a solution are determined. It is defined in particular reference to solute concentration in a solution . Most commonly used unit for molar concentration is moles/liter.
The molar concentration depends on change in volume of the solution which is mainly due to thermal expansion. Molar concentration is calculated by the formula, molar concentration=mass/ molar mass ×1/volume of solution in liters.
In terms of moles, it's formula is given as molar concentration= number of moles /volume of solution in liters.
In case where two solutions are given and molarity or volume of one solution is to be determined formula used is ,
M₁V₁=M₂V₂
substituting the values in the formula,
30.3×2.5=M₂×20
∴M₂=30.3×2.5/20
=3.78 M.
Thus, the molarity of sulfuric acid is 3.78 M.
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The mass of 7/3Li is 7.016 00 u. Calculate the binding
energy per nucleon for 7/3Li.
Answers
The binding energy per nucleon of the lithium is 5.4 MeV.
What is the binding energy per nucleon?The binding energy is the energy that is required to keep the nucleons that are in the nucleus of the atom together. We know that the greatest energy in the universe is seen to be contained in the nucleus of an atom.
Mass of the proton = 1.007277 u
Mass of the neutron = 1.008665 u
The total mass of the nucleons is;
4(1.008665) + 3(1.007277)
4.03466 + 3.021831
=7.056491 u
The loss in mass is;
7.056491 u - 7.01600 u
= 0.040491 u
Binding energy = 0.040491 u * 931
= 37.7 MeV
Binding energy per nucleon = 37.7 MeV/7
= 5.4 MeV
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Explain why the following are made of thermosetting plastics.
(a) Saucepan handles
(b) Electric plugs/switches/plug boards
Answers
Answer:
a: they're used in saucepan handles 'cause they don't soften when heated and also 'cause they cant be bent easily.
b: thermosetting plastics are bad electricity conductors. they don't get moulded and are also hard and strong.
Mr. Knowlton loves to throw a football around for fun. In the
summer, he and his brothers bought a new ball that was in perfect
condition. However, in the winter they noticed that the ball was not
the same. It seemed to have less volume even though there were no
leaks in the ball! Why?
Answers
Describe why deep-water masses retain their temperature and
salinity characteristics for long periods of time, and can thus be
readily identified on T-S diagrams.
Answers
Deep-water masses retain their temperature and salinity characteristics for long periods of time primarily due to two factors: limited interaction with the atmosphere and slow circulation patterns within the ocean.
Deep-water masses are typically found in the deep layers of the ocean, far removed from the surface where direct interaction with the atmosphere occurs. The exchange of heat and gases between the ocean surface and the atmosphere happens primarily in the upper layers. The deeper waters are insulated from these surface processes, which helps to preserve their initial temperature and salinity properties.
The circulation patterns in the deep ocean are much slower compared to the surface currents. Deep-water masses can take centuries or even millennia to complete a full circulation cycle. This slow movement allows them to retain their characteristics over extended periods.
As these water masses move through the ocean basins, they maintain their distinctive temperature and salinity signatures, making them easily identifiable on temperature-salinity (T-S) diagrams.
T-S diagrams are plots that display the relationship between temperature and salinity in seawater. Deep-water masses, due to their long-term stability and slow mixing with surrounding waters, form distinct clusters or curves on T-S diagrams.
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Given three (3.00) moles of gold (Au), how many grams do you have?
a. 66 g
b. 197 g
C. 591 g
d. 6.02 x 1023 g
Answers
5. Elmer really likes to cook with onions and he puts onions into almost everything he makes. He usually starts dinner every day around 5:00 p.M. As he is cutting the onions, the grandfather clock chimes five times because it is 5:00 p.M. Elmer is also crying because cutting the onions makes his eyes water. One evening he is at a friend's house because they are going out to dinner later. He and his friend are watching TV and the clock chimes five times when it is 5:00 p.M. Elmer's eyes start to water.
Answers
Answer and Explanation:
A) Unconditioned Stimulus- The onion
B) Unconditional Response- Crying
C) Conditioned Stimulus- Chiming clock
D) Conditioned Response- Crying
In the above scenario( an example of classical conditioning), Elmer has been conditioned by the continuous iterations of having to cook everyday by 5pm. He cooks with onions by 5pm around the same time his uncle's clock chimes five times. He cries/has teary eyes(unconditioned response) because of the response to the onions(unconditioned stimulus) around the same time the clock chimes five times thereby conditioning his response so that even when the onions isn't there/he isn't even cooking, he tears up to the clock chimes around 5pm. The clock is therefore a conditioned stimulus and there is a conditioned response of crying.
The unconditioned response to an unconditioned stimulus happens naturally(an instinct) because it is a biological response to the onions, not conditioned.
SUPER EASY. just check if i'm right or not. WILL GIVE BRAINLIEST
Answers
Answer:
what is the question
Explanation:
Answer:
Um what do u want us to check?
Explanation:
How many molecules of NaOH are in 10.0 g of NaOH? *
Answers
The number of molecules in 10.0 gram of NaOH is 15 * 10²².
To solve this question, we need to understand some terms of mole concept,
Mole - It is the amount of substance containing same number of molecules or atoms as there are atoms in 12 gram of carbon-12 isotope.
Molecules - It is group of atoms bonded together, representing the smallest fundamental unit of a chemical compound taking part in chemical reaction.
Molecular weight - The sum of atomic masses of all atoms in molecules.
Avogadro number - It is the number of atoms, ions, electrons, molecules in one mole of substance. It is represented as NA.
NA = 6.0 * 10²³ (approx)
To calculate the number of molecules, we apply the formulae,
no. of molecules = moles * NA
moles = weight / molecular weight
moles = 10.0 / 40
= 0.25
Substituting this value to calculate number of molecules,
no. of molecules = 0.25 * 6.0 * 10²³
= 15 * 10²²
Therefore the number of molecules of in 10.0 g of NaOH is 15 * 10²².
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How can you show using Pauli's exclusion principle that p sub shell can have only 6 electrons?
Answers
where l = subshell value.
"l"values of subshell are.
s = 0.
p = 1.
d = 2.
f = 3.
So in p orbital we have 6 electrons.