Calculate the volume (in milliliters) occupied by a 0.327 g sampleof CO2 gas at 22.5 degrees Celsius and 755 torr.
Answers
The volume occupied by the 0.327 g sample of CO2 gas at 22.5 degrees Celsius and 755 torr is approximately 179 milliliters.
How to calculate volume of CO2 gas?To calculate the volume occupied by a gas sample, we can use the ideal gas law equation:
PV = nRT
Where:
P = Pressure of the gas (in atm)
V = Volume of the gas (in liters)
n = Number of moles of the gas
R = Ideal gas constant (0.0821 L·atm/(mol·K))
T = Temperature of the gas (in Kelvin)
First, we need to convert the given values to the appropriate units:
Mass of CO2 gas = 0.327 g
Temperature = 22.5 degrees Celsius = 22.5 + 273.15 = 295.65 K
Pressure = 755 torr = 755/760 atm (since 1 atm = 760 torr)
Next, we need to calculate the number of moles of CO2 gas using the ideal gas equation:
n = (mass of CO2 gas) / (molar mass of CO2)
The molar mass of CO2 is 44.01 g/mol.
n = 0.327 g / 44.01 g/mol ≈ 0.00742 mol
Now, we can calculate the volume using the rearranged ideal gas equation:
V = (nRT) / P
V = (0.00742 mol) * (0.0821 L·atm/(mol·K)) * (295.65 K) / (755/760 atm)
V ≈ 0.179 L
Finally, we can convert the volume to milliliters by multiplying by 1000:
V ≈ 0.179 L * 1000 mL/L ≈ 179 mL
Therefore, the volume occupied by the 0.327 g sample of CO2 gas at 22.5 degrees Celsius and 755 torr is approximately 179 milliliters.
Learn more about:volume
brainly.com/question/28058531
#SPJ11
Related Questions
Which of the following would be expected to be the most soluble in water?
Answers
The most soluble compound in water among the options provided would be propanal (also known as propionaldehyde). Option B is correct.
Propanal is a polar compound that contains a carbonyl group (C=O), which allows it to form hydrogen bonds with water molecules. Hydrogen bonding between propanal and water enhances its solubility.
On the other hand, cyclobutane is a nonpolar compound composed solely of carbon and hydrogen atoms. Nonpolar compounds tend to have weaker interactions with water molecules and are typically less soluble in water compared to polar compounds.
Therefore, based on the polarity and ability to form hydrogen bonds, propanal would be expected to be the most soluble in water.
Hence, B. is the correct option.
To know more about soluble compound here
https://brainly.com/question/13901017
#SPJ4
--The given question is incomplete, the complete question is
"Which of the following would be expected to be the most soluble in water? A) cyclobutane B) propanal C) not possible to decide."--
Help would be greatly appreciated, picture of the question is here
Answers
Based on the results obtained in the table, the solute is a solid because it has an increase in the amount dissolved as temperature increases.
The correct option is B.
What is the effect of an increase in temperature on the solubility of solutes?The average kinetic energy of the solute molecules increases along with the solution's temperature. As a result, the molecules have a lower ability to bind together and dissolve more easily. Therefore, when the temperature rises, solid states become more soluble.
However, for solutes that are gas, an increase in temperature decreases the solubility of the gas, and the gas comes out of the solution.
Learn more about solubility and temperature at: https://brainly.com/question/23946616
#SPJ1
For a reaction where the rate equation is
rate = k [NH4 + (aq) ] [NO2(aq) ]
B. Calculate rate at temperature T2 , if the rate constant, k, is 3.20x104 L/(mol⋅s) when [NH4+ ] is 0.100 mol/L and [NO2] is 0.0150 mol/L.
Given:
Reactant A =
Reactant B =
X = Y =
Find:
Answers
Based on the rate constant of the reaction, the reaction rate, r 4.8 * 10⁻⁷ mol/L.s
What is the rate of a reaction?The rate of a reaction is the number of moles of reactant molecules converted or the number of moles of product molecules formed per unit time.
It is the rate at which product molecules are formed or reactant molecules disappear.
Reaction rate, r = moles of reactant converted / time or moles of product formed / timeThe rate equation of a chemical reaction is an expression that describes the relationship between the rate of the chemical reaction and the concentration of the reactants in the chemical reaction.
The rate equation includes a rate constant which is a constant that is unique for a given reaction. The rate constant numerically describes the rate and direction of a chemical reaction.
Considering the given rate equation:
reaction rate = k [NH4 + (aq) ] [NO2(aq) ]
the data provided is as follows;
k = 3.20 x 10⁴ L/(mol⋅s)
[NH4+ ] = 0.100 mol/L and,
[NO2] = 0.0150 mol/L
The reaction rate, r will be:
r = 3.20 x 10⁻⁴ L/(mol⋅s) * 0.100 mol/L * 0.0150 mol/L
r = 4.8 * 10⁻⁷ mol/L.s
Learn more about rate equation at: https://brainly.com/question/24749252
#SPJ1
4Fe (s) + 3 O2 (g) → 2 Fe2O3 (s)
A. What is the oxidation number for each item in this equation?
B. What is being oxidized?
C. What is being reduced?
D. What is the oxidizing agent?
E. What is the reducing agent?
Answers
Explanation:
The number acquired by an element after the lose or gain of an electron is called oxidation number.
For example, \(4Fe(s) + 3O_{2}(g) \rightarrow 2Fe_{2}O_{3}(s)\)
Here, oxidation number of Fe(s) is 0 and Fe in \(Fe_{2}O_{3}\) is +3.
Oxidation number of O in \(O_{2}(g)\) is 0 as it is present in its elemental state.
The oxidation number of O in \(Fe_{2}O_{3}\) is calculated as follows.
\(2(3) + 3x = 0\\6 + 3x = 0\\x = \frac{-6}{3}\\= -2\)
Hence, oxidation number of O in \(Fe_{2}O_{3}\) is -2.
The loss of electrons by an element or substance is called oxidation. Here, electrons are being lost by Fe(s) as an increase in oxidation state is occurring. So, Fe(s) is oxidized.The gain of electrons by an element or substance is called reduction. Here, electrons are being added to \(O_{2}\) as a decrease in its oxidation state is occurring. So, \(O_{2}\) is reduced.An element or compound which is being reduced is called oxidizing agent. Here, \(O_{2}\) is the oxidizing agent.An element or compound which is being oxidized is called reducing agent. Here, Fe(s) is the reducing agent.at 985 the equilibrum consant for the reaction h2 co2 h2o CO is 1.63 what is the equilibirum constant for the reactoin 2 H2 2 Co2 2 H2O 2 Co
Answers
The correct answer is 19
5= 4(x+1)
=20=x+1
⇒x=19
what is equilibirum constant?The relationship between a reaction's products and reactants with regard to a certain unit is expressed by the equilibrium constant, K. This article introduces the mathematics needed to determine the partial pressure equilibrium constant as well as how to formulate expressions for equilibrium constants.
When the states of matter of the products and reactions are all the same, the reaction is said to be homogenous (the word "homo" means "same"). The solvent typically controls the reaction's overall state of matter.
When one or more of the reaction's states are distinct, the reaction is said to be heterogeneous (the Greek word "heteros" means "different").
learn more about equilibirum constant refer:
https://brainly.com/question/19340344
#SPJ4
Which of the following options correctly describe the preparation of nitriles from alkyl halides? Select all that apply.
A) This reaction proceeds via an SN2 mechanism.
B) The alkyl halide acts as the nucleophile in this reaction.
C) This reaction results in the addition of a two-carbon chain to the alkyl halide.
D) NaCN is a common reagent used in this reaction.
E) Methyl and primary alkyl halides are the best substrates for this type of reaction.
Answers
The preparation of nitriles from alkyl halides are:
This reaction proceeds via an SN₂ mechanism.NaCN is a common reagent used in this reaction.Methyl and primary alkyl halides are the best substrates for this type of reaction. Options A, D and E are correct.When alkyl halides react with NaCN (sodium cyanide) in the presence of a strong base, such as sodium hydroxide (NaOH), they undergo nucleophilic substitution (SN₂) to form nitriles. In the SN₂ mechanism, the nucleophile (CN⁻) attacks the alkyl halide, displacing the halogen atom and forming a new carbon-nitrogen bond.
NaCN is commonly used in this reaction because it provides the cyanide ion (CN⁻) as the nucleophile. The nucleophilic cyanide ion is attracted to the electrophilic carbon in the alkyl halide, facilitating the substitution reaction. Methyl and primary alkyl halides are the most reactive substrates for this reaction. Due to their relatively unhindered nature, they allow for easier access of the nucleophile, resulting in higher yields of the desired nitrile product. Options A, D and E are correct.
To know more about the Alkyl halide, here
https://brainly.com/question/14587555
#SPJ4
PLEASE HELP
What happens to the solubility of a solute when the solution is heated? And what would you expect to happen to a solution that is saturated at a high temperature when it is cooled?
Answers
Answer:
The solubility of a solute becomes weaker and changes it’s solid state when heated because it causes the molecules to dissolve faster. If the solution was cooled, it would begin to regain its solid form as it’s molecules would be slowing down. I hope this helps!
a 350.0-ml buffer solution is 0.150 m in hf and 0.150 m in naf. what mass of naoh can this buffer neutralize before the ph rises above 4.00? if the same volume of the buffer were 0.350 m in hf and 0.350 m in naf, what mass of naoh could be handled before the ph rises above 4.00?
Answers
15.8g of NaOH can this buffer neutralize before the pH rises above 4.00 and 36.8g of NaOH could be handled before the pH rises above 4.00.
Given that,
The volume of buffer solution \(=350mL\)
The buffer solution in HF \(=0.150 m\)
The buffer solution in NaF \(=0.150m\)
The initial concentration of HF and NaF in millimoles can be calculated as,
The initial concentration of HF \(=350mL*\frac{0.15mmol HF}{1mL} =52.5mmol HF\)
The initial concentration of NaF \(=52.5mmol NaF\)
The initial concentration of \(F^{-} =52.5mmol F^{-}\)
The basic neutralisation reaction is as follows,
\(OH^{-} _{aq} +HF_{aq}\) → \(H_{2} O_{(l)} +F^{-1}\)
Initial concentration x 52.5 52.5
Concentration Change \(-x\) \(-x\) \(+x\)
Final concentration 0 \(52.5-x\) \(52.5 + x\)
By using Henderson Hasselbalch equation the value of x can be calculated as,
\(p^{H} =p^{Ka}+log\frac{[F^{-} ]}{[HF]} \\p^{H}-p^{Ka}=log\frac{[F^{-} ]}{[HF]}\\10^{(p^{H}-p^{Ka})} =log\frac{[F^{-} ]}{[HF]}\\p^{Ka} of HF = 7.2*10^{-4}\)
\(10^{(4-(-log(7.2*10^{-4})) )} =\frac{52.5+x}{52.5-x} \\7.2=\frac{52.5+x}{52.5-x}\\7.2(52.5-x)=52.5+x\\378-7.2x=52.5+x\\x+7.2x=378-52.2\\8.2x=325.5\\x=39.6mmol\)
∴ \(Mass of NaOH = 39.6mmol OH^{-} *\frac{40mg NaOH}{1mmol NaOH} *\frac{1g NaOH}{100mg NaOH} =15.8g\)
The mass of NaOH could be handled before the pH rises above 4 for the same volume of the buffer were 0.350M in HF and 0.350M in NaF can be calculated as,
∴ Mass of NaoH \(= 15.8g*\frac{0.35mmol}{0.15mmol} =36.8g\)
To learn more about the Empirical formula https://brainly.com/question/14044066
#SPJ1
Look at the two diagrams below. Diagram 1 shows the locations of earthquakes and diagram 2 shows the locations of volcanoes around the world. Use the diagrams and what you know to select all statements that are true.
Look at the two diagrams below. Diagram 1 shows the locations of earthquakes and diagram 2 shows the locations of volcanoes around the world. Use what the diagrams and what you know to select all statements that are true.
Group of answer choices
Volcanoes and earthquakes often occur near the same places.
Volcanoes are never found near where earthquakes occur
Volcanoes and earthquakes often occur where two plates meet.
Earthquakes and volcanoes are frequent along The Ring of Fire
Volcanoes prevent earthquakes from occurring.
Group of answer choices
Volcanoes and earthquakes often occur near the same places.
Volcanoes are never found near where earthquakes occur
Volcanoes and earthquakes often occur where two plates meet.
Earthquakes and volcanoes are frequent along The Ring of Fire
Volcanoes prevent earthquakes from occurring.
Answers
Answer:
where two plates meet and ring of fire
Answer:
1. Volcanoes and earthquakes often occur where two plates meet.
Explanation:
2. Earthquakes and volcanoes are frequent along The Ring of Fire
Helium (He), oxygen (O), carbon (C) fluorine (F), and chlorine (Cl) are all nonmetals. Using the periodic table, which pair of nonmetals do you predict has the most similar properties, and why
Answers
Answer:
fluorine (F), and chlorine (Cl) because they are both halogens and belong to the same group in the periodic table
Explanation:
The pair of non - metals in the elements given that will have similar properties are chlorine and Fluorine.
This is because they both are elements commonly known by the group name Halogens which belong to group 7A.
Properties of halogens include;
- They are very reactive, have single covalent bonds and readily form other compounds.
- In the gaseous state, they will form diatomic covalent molecules.
Whereas, helium is a group 8 element, oxygen is a group 6 element while carbon is a group 4 element.
Which statement describes the most common ways in which students and professional scientists communicate the
results of their scientific research?
O Students communicate results in oral reports to the class, and professional scientists communicate results in
written reports
Students communicate results in scientific journals, and professional scientists communicate results in laboratory
reports
Students communicate results in laboratory reports, and professional scientists communicate results in scientific
journals
Students communicate results through secondary sources, and professional scientists communicate results
through primary sources.
Answers
Answer:
Students communicate results in laboratory reports, and professional scientists communicate results in scientific journals.
Explanation:
This is the answer i just did it.
I hope this helps.
Answer:
Students communicate results in laboratory reports, and professional scientists communicate results in scientific journals.
Explanation:
brainliest please
Why would Pluto be colder than all of the other planets?
Answers
Answer:
Pluto is farthest from the sun and hence it receives extremely low energy of sun. The surface temperature of Pluto is about -240 !!!
Question 1 of 10
What does a low number on the pH scale say about a solution?
O A. The solution is an acid,
O B. The solution is changing.
O C. The solution is a base.
O D. The solution sg neutral.
Answers
How does the temperature change when a layer of glass is added?
Answers
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.
Is it possible to prepare (s)-2-bromo-3-methylbutane in high yield by halogenation of an alkane?
Answers
When is a rock considered an ore?
Check all that apply.
-when it occurs in sufficient amounts to be used to build roads and buildings
-only when it contains lead
-when it contains at least one metallic mineral in sufficient amounts to be extracted profitably
-only when it contains iron
-when it contains fluorite or sulfur minerals in sufficient amounts to be extracted profitably
Answers
The correct statements are that a rock is considered an ore when it contains at least one metallic mineral in sufficient amounts to be extracted profitably and when it contains fluorite or sulfur minerals in sufficient amounts to be extracted profitably.
When it contains at least one metallic mineral in sufficient amounts to be extracted profitably.
When it contains fluorite or sulfur minerals in sufficient amounts to be extracted profitably.
Step-by-step explanation:
When it occurs in sufficient amounts to be used to build roads and buildings: This statement is incorrect. Rocks that are used for construction purposes, such as limestone or sandstone, are not considered ores unless they also contain economically valuable minerals.
Only when it contains lead: This statement is incorrect. Ores are not limited to containing only lead. Ores can contain various metallic minerals, not just lead.
When it contains at least one metallic mineral in sufficient amounts to be extracted profitably: This statement is correct. Ores are rocks that contain valuable metallic minerals in concentrations that make extraction economically feasible. These minerals can include gold, silver, copper, aluminum, zinc, and many others.
Only when it contains iron: This statement is incorrect. While iron ores are commonly known and widely used, ores are not limited to containing only iron. There are numerous other metallic minerals that can be extracted profitably from rocks.
When it contains fluorite or sulfur minerals in sufficient amounts to be extracted profitably: This statement is correct. Fluorite and sulfur are examples of non-metallic minerals that can be extracted profitably from rocks, and if a rock contains these minerals in sufficient quantities, it can be considered an ore.
learn more about from metallic mineral the given link:
https://brainly.com/question/89259
#SPJ11
Which of the following statements on HPLC modes is true? A. Increasing the polarity of the mobile phase decreases the elution time of polar compounds in normal-phase HPLC B. A non-polar stationary phase is used in normal-phase HPLC C. Compounds have a lower attraction to the mobile phase than to the stationary phase in displacement development D. A polar stationary phase is used in reversed-phase HPLC E. More polar compounds elute first in normal-phase HPLC
Answers
The following statements on HPLC modes are true is more polar compounds elute first in normal-phase HPLC (Option E).
The liquid chromatography (HPLC) is a technique in analytical chemistry employed for the separation, identification, and quantification of elements. It is considered a highly sensitive method, and it works by separating the components in a mixture with the assistance of a solvent under high pressure.
There are two modes of HPLC: Reversed-Phase HPLC (RP-HPLC) and Normal-Phase HPLC (NP-HPLC). In RP-HPLC, a nonpolar stationary phase, such as C18, is used, and polar solvents, such as water, are used as mobile phases. Polar stationary phases, such as silica gel, are used in NP-HPLC, while nonpolar solvents, such as hexane, are used as mobile phases.
More polar compounds have a greater affinity for the polar stationary phase than less polar compounds, which have a higher affinity for the nonpolar mobile phase in NP-HPLC. As a result, less polar compounds elute first in normal-phase HPLC.
Thus, the correct option is E.
Learn more about HPLC: https://brainly.com/question/13490391
#SPJ11
How many ATOMS are in 7.32 moles of sulfur
dioxide?
Answers
Using the concept of Avogadro's number, the number of atoms present is 4.4 * 10^24 atoms.
What is Avogadro's number?Professor Avogadro provided a nice way of calculating the number of atoms in a molecules by the use of the Avogardro's number. Now we know that 1 mole of a substance contains about 6.02 * 10^23 atoms, molecules ions etc.
Hence;
1 mole of sulfur dioxide contains 6.02 * 10^23 atoms
7.32 moles of sulfur dioxide contains 7.32 moles * 6.02 * 10^23 atoms/1 mole
= 4.4 * 10^24 atoms.
Learn more about Avogadro's number: https://brainly.com/question/1445383?
Why does water freeze at a temperature lower than 0°c when salt is added to it.
Answers
Answer:
Salt molecules block water molecules from packing together when temperature is lowered. It then prevents them from becoming ice. More water molecules leave the solid phase than the ones entering the solid phase. Freezing point depression occurs when the freezing point of the liquid is lowered by addition of solute.
Explanation:
rank the species (carbonate chloride iodate and sulfate) from most to least soluble
Answers
The order of solubility from most to least can be given as carbonate>sulfate>iodate>chloride. Carbonates are the most soluble.
What is solubility?The maximum amount of a material that may dissolve in another is known as its solubility. A saturated solution is created when a solvent can dissolve its maximum quantity of solute before reaching equilibrium. A supersaturated solution results when extra solutes are dissolved past its equilibrium solubility point under specific circumstances.
Dissolution is the action of disintegrating. In contrast to the speed of solution, which specifies how rapidly a molecule dissolves in a solvent, solubility is not a feature of matter. The order of solubility from most to least can be given as carbonate>sulfate>iodate>chloride.
Therefore, the order of solubility from most to least can be given as carbonate>sulfate>iodate>chloride.
To know more about solubility, here:
https://brainly.com/question/14366471
#SPJ1
What can be said about the number of electrons atoms of one element can have?
Answers
Answer:
The number of protons in one atom of an element determines the atom's identity, and the number of electrons determines its electrical charge. The atomic number tells you the number of protons in one atom of an element.
Hey y’all is these answers correct?
Answers
Answer:
ʏᴇs, ɪ ᴛʜɪɴᴋ
Explanation:
TᕼᗩᑎKՏ ᒪOᗪՏ
source: i’m black
as the temperature of a gas decreases is volume
Answers
Answer:
it's volume also decrease
Is Li and Cl likely to form ionic compounds?
Answers
Answer:
Well lithium is a metal and chlorine is a nonmetal. Therefore this is most likely going to be ionic
How many joules of heat are needed to raise the temperature of 15g of aluminum from 28C to 99C if the specific heat of aluminum is .90 j/gC?
Answers
Answer:
In order to increase the temperature of 1 g of aluminium by 1∘C , you need to provide it with 0.90 J of heat
Explanation:
What is the half life of 44ti if a 1.0ng sample decays at the rate of 4.3*108 disintegration?
Answers
The half-life of 44ti can be calculated using the given information. The rate of decay is \(4.3*10^8\) disintegrations, and the initial sample size is 1.0 ng.
For finding the half-life, we can use the formula:
half-life = (ln(2)) / (decay constant)
First, we need to find the decay constant using the given rate of decay:
decay constant = rate of decay / initial sample size
decay constant = (4.3*10^8 disintegrations) / (1.0 ng)
Now, we can substitute the decay constant into the half-life formula:
half-life = ln(2) / (decay constant)
half-life = ln(2) / [(\(4.3*10^8\) disintegrations) / (1.0 ng)]
So, the half-life of 44ti is ln(2) / [(\(4.3*10^8\) disintegrations) / (1.0 ng)].
To know more about radioactive decay refer here:
https://brainly.com/question/1770619?#
#SPJ11
There are 2 isotopes of the fictional element Nz: Isotope 51 and Isotope 55. The average atomic mass of the fictional element Nz is 52.21 amu.
What is the percent abundance of Isotope 51?
What is the percent abundance of Isotope 55?
If we had 63 atoms of element Nz (and remember you can't have just half of an atom):
How many of those atoms would likely be Isotope 51?
How many of those atoms would likely be Isotope 55?
Answers
The percentage abundance of Nz- 51 and Nz- 55 are 69.8 % and 30.2% respectively.
What is the percentage abundance of the isotopes?We know that an isotope of an element has to do with atoms that have the same atomic number but the atomic masses of the atoms does differ. In this case, we have two isotopes Nz - 51 and Nz -55. We have the relative atomic mass of the elements as 52.21 amu.
Let the percentage abundance of Nz - 51 be x and the percentage abundance of Nz -55 be 1 - x.
52.21 = 51x + 55(1 - x)
52.21 = 51x + 55 - 55x
52.21 - 55 = 51x - 55x
-2.79 = -4x
x = 0.698
Thus;
Percentage abundance of Nz - 51 = 0.698 or 69.8 %
Percentage abundance of Nz - 55 = 1 - 0.698 or 30.2 %
If I have 63 atoms
Number with isotope Nz - 51 = 0.698 * 63 = 44 atoms
Number with isotope Nz - 55 = 0.302 * 63 = 19 atoms
Learn more about isotopes:https://brainly.com/question/11680817
#SPJ1
Solve All of these Balancing Chemical Equations 80 points
Answers
A balanced chemical equation is where the number of reactants is equal to several products.
What is a Balanced chemical equation?A balanced chemical equation is one in which the number if reactants is equal to number of products.
1) Zn + 2AgCl → ZnCl₂ + 2Ag
2) FeCl₂ + 2HbS → FeCl₂ + 2HCl + 2S
3) 2Ag₂O → 4 Ag + 2O₂
4)3AlO₂ → 3Al + 3 O₂
5) K₂ + 2HbO → 2KOH + 2Hb
6) 3CaCO₂ → 3CaO + 3CO₂
7) 2Mg + O₂ → 2MgO
8) 2CO + 2FeO₂ → 2Fe + 2CO ₂
Therefore, A balanced chemical equation is where the number of reactants is equal to several products.
To learn more about chemical equation, refer to the link:
https://brainly.com/question/28294176
#SPJ1
Why do you think certain countries favored military solutions to the great depression while other contries did not
Answers
Answer:
The answer is below
Explanation:
Certain countries like Germany under Adolf Hitler favored military solutions to the great depression because the government felt that having a mass production of military weapons and recruitment of unemployed people or citizens into the army would change the dire situation.
On the other hand, countries like the United States did not favor the military solutions but instead choose the NEW DEAL under Franklin D Roosevelt; the reason could be linked to their democratic culture, the isolation belief tendency.
There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?
Answers
Answer: You would place the apple on the person's head.
Explanation: