A balloon with a pressure of 1 atm and a temperature of 17° Celsius has a volume of 1000 mL. The day warms up and increases the temperature to 27° Celsius, which makes the pressure change to 1520 mm Hg.What is the new volume of the balloon, in Liters?
The new volume of the balloon is 0.517 L.
By ideal gas law, PV = nRT
P = pressure
V = volume
n = number of mole of gas
R = gas constant
T = temperature
Using ideal gas law, P₁V₁/ T₁ = P₂V₂/ T₂
P₁= 1 atm
V₁ = 1000 mL = 1 L
T₁ = 17° C = 290 K
After the day warms up:-
P₂ = 1520 mm Hg = 2 atm
T₂ = 27° C = 300 K
Put these values in formula, P₁V₁/ T₁ = P₂V₂/ T₂
V₂ = P₁V₁T₂/ T₁ P₂
V₂ = 1 atm× 1 L × 300 K/ 290 K × 2 atm
V₂ = 0.517 L = 517 mL
Hence, the new volume of the balloon is 0.517 L.
The ideal gas equation is formulated as: PV = nRT.
In this equation, P refers to the pressure of the ideal gas, V is the volume of the ideal gas, n is the overall quantity of ideal gas this is measured in terms of moles, R is the universal gas constant, and T is the temperature.
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Click oil basics to explore the natural resources needed for the production of plastics. use the information to answer the question. which of these ingredients is important in making plastics?
The ingredients that is important in making plastics is natural gas plant liquids.
Natural gas liquids (NGLs) are components of natural gas which are separated from the gas state in the form of liquids. They many applications including; plastic production, inputs for petrochemical plants, they are also burned for space heat and cooking, and can also be blended into vehicle fuel.
In the manufacturing of plastics, come components of NGLs are used. And for this case, ethane. Ethane is used in the production of ethylene which are passed through pressure and catalyst to be turned to plastics like polythene.
The reason why they are mostly used in the manufacturing plastics than other resources like crude oil is that it is much cleaner.
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In a separate location, take notes from the sources you’ve identified. These notes will provide details for your research paper. While reading and taking notes, use these reading strategies to analyze texts and websites.
Explanation:
External force of 220 applied on a pistan of a cylinder containg 1.25 ammonia gas move 10cm as shown in diagram below
Magnesium reacts with bromine to form magnesium bromide. When
1.2 g of magnesium reacts with 2.0 g of bromine, which is the limiting
reagent and what mass of magnesium bromide is formed?
Mg + Br2 → MgBr2
After energy from food molecules has been extracted to make atp, electrons are transferred to a final acceptor. When the final electron acceptor is an organic molecule, the process is termed?.
Answer: fermentation
Explanation:
4.2 g of lithium (Li) reacts with 2.8 g of nitrogen (N2). Find the simplest molar ratio in which lithium reacts with nitrogen.
The simplest molar ratio in which lithium reacts with nitrogen is 6 moles of lithium to 1 mol of nitrogen.
What is molar ratio?
A molar ratio examines the ratio that exist between two chemical compounds showing the amounts in moles of the compounds involved in a chemical reaction.
Molar ratio = amount of a constituent in moles ÷ total amount of all constituents in a mixture in moles
Given:
Mass of lithium (Li) = 4.2 g
Mass of nitrogen (N2) = 2.8 g
Total amount of mass = 7g
Moles = molecular weight ÷ mass of water
Moles of lithium (Li) = 4.2 ÷ 7 = 0.60 mol
Moles of nitrogen (N₂) = 2.8 ÷ 7 = 0.10 mol
Therefore, ratio Li : N₂ = 0.60 : 0.10 = 6 : 1
6 Li + N₂
The balanced equation between lithium and nitrogen, to form lithium nitride = 6 Li + N₂ → 2 Li₃N₆L i + N₂ → 2Li₃N
In summary, the simplest molar ratio in which lithium reacts with nitrogen is 6:1
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in addition to acting as a comparison to the post-partition salicylic acid solution, the pre-partition salicylic acid solution (not mixing with chloroform) serves a 2nd propose to:
The pre-partition salicylic acid solution (not mixing with chloroform) serves a second propose to act as a standard for linear regression analysis.
What is salicylic acid?
The chemical formula for salicylic acid is HOC6H4CO2H. It is a colorless, bitter-tasting substance that serves as both an aspirin precursor and metabolite (acetylsalicylic acid). It is a plant hormone that has been classified as an experimental teratogen by the EPA's Toxic Substances Control Act (TSCA) Chemical Substance Inventory. The word for willow tree in Latin is salix. Some anti-acne products contain it as an ingredient. Salicylates are the name for the salts and esters of salicylic acid.
The pre-partition salicylic acid solution (not combining with chloroform) acts as a benchmark for linear regression analysis in addition to serving as a comparison to the post-partition salicylic acid solution.
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Which of the following is true about two neutral atoms of the element gold? (1 point) a The nucleus is missing in both. b Each has a different mass. c Both have the same properties. d Each has a different number of electrons.
Answer: The nucleus is missing in both. Each has a different mass. Both have the same properties. Each has a different number of electrons.
Explanation: Thank me please! have a great day! :)
a block of lead has dimensions of 4.50 cm by 5.20 cm by 6.00 cm
A block of lead has dimensions of 4.50 cm by 5.20 cm by 6.00 cm, the density of lead is mathematically given as
x= 11.30 g/cm^3
This is further explained below.
What is the density of lead?Generally, in order to determine the lead's specific gravity; To begin, we would use the formula to find out how much space the block of lead takes up;
Volume= length * width * height
After plugging the values into the formula, we get the following:
Volume = 4.50 * 5.20 * 6.00
Volume = 140.4 cm^3
The next thing that we do is determine the density of lead;
After plugging the values into the formula, we get the following:
X = 11.30 g/cm^3
In conclusion, the density of lead is 11.30 g/cm^3
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CQ
A block of lead has dimensions of 4.50 cm by 5.20 cm by 6.00 cm. The block weighs 1587 g. From this information, calculate the density of lead.
The volume of a pond being studied for the effects of acid rain is 35 kiloliters (kL). There are 1,000 liters (L) in 1 kL and 1 Times. 106 microliters (mL) in 1 L.
What is the volume of this pond in microliters?
The volume of a pond being studied for the effects of acid rain that is 35 kiloliters (kL) if converted in microliters is found to be 3.5 x [tex]10^{10}[/tex]
What is acid rain?Acid rain is the actual form of precipitation that includes acidic components like nitric or sulfuric acid that fall from the atmosphere on the earth's surface.
Acid rain refers to rain or any other type of precipitation that is unusually acidic, that is, contains large amounts of hydrogen ions.
The acid rains are considered harmful as they corrode and destroy these infrastructures, and plants and cause irritation to the organisms.
The volume of a pond that is being studied for the effects of acid rain is 35 kiloliters (kL).
There are a total of 1,000 liters (L) in 1 kL and 1 x [tex]10^6\\[/tex] microliters (mL) in 1 L.
Then 35 kL (1,000 L/ 1kL) (1 x 10^6 microliters / 1 L) = 3.5 x [tex]10^{10}[/tex] microliters
The volume of this pond calculated in microliters is 3.5 x [tex]10^{10}[/tex] microliters.
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Rowan is at an all-you-can-eat breakfast. He has a pancake on his plate and is going to put another pancake on top of it. Which one of these other pancakes would make the bottom pancake the warmest? Explain how the energy and temperature of both the bottom pancake and your chosen top pancake will change after they’ve been touching for a while, and why.
Pancakes are warmth due to conduction. When there is conduction in a system, there is change in temperature and energy.
When a system absorbs or loses warmth, the common kinetic energy of the molecules will exchange. Consequently, warmth transfer effects in a change inside the machine's temperature so long as the machine is not undergoing a segment trade.
The change within the inner power of a gadget is the sum of the heat transferred and the paintings carried out. The heat glide is same to the exchange within the inner energy of the device plus the work performed.
When the temperature of an object will increase, the average kinetic energy of its particles increases. When the average kinetic power of its debris will increase, the object's thermal energy increases. consequently, the thermal energy of an object will increase as its temperature increases.
Inner strength is the whole kinetic energy and capacity power of all the particles, atoms and molecules that make up a system. Heating adjustments the energy stored within the system by growing the strength of the debris that make up the system.
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d is movement of molecules from high concentration to low concentration. an example is lemon essential oil used in one corner of the room but soon smelled in the opposite corner.
A substance diffuses when it moves from a region of high concentration to one of low concentration. Because the particles in liquids and gases travel randomly from one location to another, diffusion occurs in these media. For living things, diffusion is a crucial process because it governs the flow of materials into and out of cells.
A net migration of anything from a zone of higher concentration to a location of lower concentration can also be described as it, and a gradient in concentration is what's driving it.
Without spending the cell's energy, substance that crosses a cell membrane travels away from the region where it is concentrated.
Passive transport is the term for it.
It is the process by which substances migrate down the gradient of concentration without utilizing cellular energy.
Simple diffusion is another name for it.
Due to the difference in concentration from the perfume bottle to the outside environment, when a perfume bottle is opened, particles disseminate in the air.
While, active transport substances should move in the opposite direction of the concentration gradient, or toward the area of higher concentration.
Energy is needed for this procedure.
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A tank is filled with 300 g of ozone (O3(g)) at -58.75oC. The pressure inside the tank is 6250 kPa.
Calculate the volume (in L) of the tank.
The volume of gas in the tank is determined as 1.78 L.
What is the volume of gas in the tank?The volume of gas in the tank is calculated by applying idle gas law as follows;
PV = nRT
where;
n is the number of moles of the gasP is the pressure of the gasV is the volume of the gasR is ideal gas constant = 8.314 L.kPa/mol.KT is temperature of the gas = -58.75⁰C = 214.25 Kn = reacting mass / molar mass
n = (300 g) / (3 x 16 g)
n = (300 g) / (48 g/mol)
n = 6.25 moles
The volume of the gas is calculated as follows;
V = nRT/P
V = (6.25 x 8.314 x 214.25)/(6250)
V = 1.78 L
Thus, the volume of ideal gas increases with increase in temperature.
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How would you calculate the number of barium atoms present in two moles of barium?
A) Multiply the atoms of barium by Avogadro's number.
B) Multiply the moles of barium by Avogadro's number.
C) Divide the moles of barium by Avogadro's number.
D) Add Avogadro's number to the number of atoms.
To calculate the number of barium atoms present in two moles of barium, we need to multiply the moles of barium by Avogadro's number (B)
A mole of a compound contains 6.022 x [tex]10^{23}[/tex] atoms.
6.022 x [tex]10^{23}[/tex] atoms is the Avogadro’s number which denotes the molecular weight in grams.
Thus, one mole of barium would have 6.022 x [tex]10^{23}[/tex] barium atoms
Therefore, two moles of barium would be multiplication of number of moles of barium by Avogadro’s number
Two moles of barium = 2 * 6.022 * [tex]10^{23}[/tex] = 12.044 * [tex]10^{23}[/tex]
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suppose you carry out a tlc separation of acetaminophen and phenacetin on silica gel using a nonpolar developing solvent. which should have the higher rf value and why?
Non-volatile mixtures can be separated using a process called thin layer chromatography (TLC). Since acetaminophen has a hydroxyl group, it is more polar than phenacetin.
Does acetaminophen or phenacetin have a lower Rf value?Since acetaminophen has a hydroxyl group, it is more polar than phenacetin. Phenacetin will be more soluble and migrate to the top than the polar component because we are employing a non-polar solvent.
Non-volatile mixtures can be separated using a process called thin layer chromatography. The experiment is carried out on a piece of glass, plastic, or aluminum foil that has been lightly covered with an adsorbent substance. Typically, silica gel, cellulose, or aluminum oxide are utilized as the substance.
Because acetaminophen is more polar than phenacetin and nonpolar molecules pass through silica gel more quickly than polar ones do, acetaminophen would have a lower Rf value.
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which components of the atom are found outside of the nucleus? responses electrons electrons neutrons neutrons all are found in the nucleus. all are found in the nucleus. protons
Electrons are the components of the atom that are found outside of the nucleus.
In contrast to protons and neutrons, which are found inside the atom's nucleus, electrons are found outside the nucleus. Negative electrons are drawn to the positive nucleus because their opposing electric charges attract one another. This force of attraction keeps electrons flowing continuously in the otherwise empty area surrounding the nucleus, this force of attraction keeps electrons flowing continuously.
Since they are so tiny, electrons. Since an electron's mass is only a tiny fraction of that of a proton or neutron (approximately 1/2000), it is almost entirely absent from the overall mass of an atom. Electrons have an electric charge of -1, which is equivalent to but in the opposite direction of the proton's electric charge of +1.
Since there are exactly as many electrons in an atom as there are protons, the positive and negative charges "balance out," leaving the atom electrically neutral.
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what is the path of a rock that begins in magma and ends in sedimentary rocks
Answer:The path of a rock that begins in magma and ends in sedimentary rocks is called the rock cycle.
Explanation:Did this a while ago.Hope i helped :)
What are radicals in chemistry?
In chemistry, the expression radicals is used to denote highly reactive substances that may contain unpaired electrons.
What are chemistry radicals?The expression chemistry radicals indicate the presence of substance that are unstable because they have unpaired electrons that tends to form bonds with other substances. For example, the chlorine molecule may suffer homolysis under UV light and thus generate two radicals of Cl with unpaired electrons.
Therefore, we can conclude that the chemistry radicals are highly unstable molecules that are characterized to have unpaired electrons and therefore are prone to form chemical bonds with other substances.
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Check all the boxes that describe the electron sea model.
It is the simplest metal bonding model.
It is the most complicated metal bonding model.
Metallic bonding results from the transfer of valence electrons.
Metallic bonding results from the sharing of valence electrons.
The electrons are delocalized.
The electrons are attracted to specific nuclei.
The delocalized electrons serve as the glue that keeps the metal atoms together.
The electrons that are attracted to specific nuclei serve as the glue that keeps the metal atoms together.
The true statements about the electron sea model is;
It is the simplest metal bonding model.The electrons are delocalized.The delocalized electrons serve as the glue that keeps the metal atoms together.What is the electron sea model?The term bonding has to do with the situation in which there is a combination of the atoms that come from two or more elements. Now let us note that formation of a bond means that the properties of the elements would cease to be individually observed once a bond has been formed.
Having said this, let us talk about the metallic bond. The metallic bond is the kind of bond that occur between the positive ions of the metal and the electron cloud or sea that have left the ions. It then follows that the bond is formed by the electrostatic interference that occurs between the electron sea and the positive ions.
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a chemist makes 86.94 grams of a black powder by reacting 54.94 grams of manganese with 32.00 grams of oxygen. if a student breaks down 144.9 grams of that powder, what mass of manganese will be made? [mn]
Based on the data given, we can make a simple proportion to calculate that 91.57 grams of manganese would be produced by the decomposition of 144.9 grams of the powder.
The initial composition of the powder tells us that in 86.94 g of it there are 54.94 grams of manganese. We can make a simple proportion to calculate how many grams of manganese are produced by decomposing 144.9 grams of the powder:
86.94 grams of powder : 54.94 grams of Mn = 144.9 grams of powder : X
X = 54.94 grams of Mn * 144.9 grams of powder / 86.94 grams of powder
X = 91.57 grams of Mn
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find the molecular formula of the alkane represented in the mass spectrum. a mass spectrum. the peak at mass 100 has an 8% relative abundance. the peak with mass 85 has a 40% abundance. the peak at 71 has a 3% abundance. the peak at 57 has a 30% abundance. the peak at mass 43 has a 100% abundance. the peak at mass 29 has an 18% abundance. molecular formula: c {n}h {x} cnhx
Answer: the molecular altatude of the supercalifragilistic gene should expand by 100%,
L
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L
Explanation:
In an experiment, a solution required 30. 05 g of nacl, 50. 0 g of , and 0. 4006 g of mgso4. Using the correct number of significant figures, what is the resulting mass?.
When the use of significant figures and rounding up is applied correctly the mass of the mixture will be 80.5 g.
In cases of addition or subtraction, only the last significant figure of every number is taken into account.
In 30.05, this is 5, in the hundredths. When we look at 50.0, the last significant figure is 0, and it is in the tenths. And in 0.4006, the last significant figure is 6, in the ten thousandths. Of these three, the 0 from 50.0 is in the leftmost position, which means that the last significant figure of the result needs to be in the same position (in the tenths).
Moving onto the actual algebraic operation:
30.05 g + 50.0 g + 0.4006 = 80.4506 g
As we established, the last significant figure should be in the tenths, and we will have to round up 4 to 5 (trailing numbers are greater than 0), which means that the resulting mass will be 80.5 g.
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does anyone know the answer to this question?
Error Percent = (80.6 - 80.4)/ 80.6 X 100 (Option a is correct)
What is the formula for calculating percentage error?Use the following equation to determine the percentage of error: [(exact value - approximate value)/exact value] x 100. Start by deducting the exact value from the approximate value. After that, divide that number by the precise amount. To get the percentage inaccuracy, multiply your response by 100 after converting fractions to decimal form.The absolute error, which is just the difference between the observed and the real value, is used to calculate percentage error. The relative error is then multiplied by 100 to produce the percentage error after the absolute error has been divided by the real number.To learn more about : Absolute error
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Please help with the table on the picture!!
From the given table of ionic compounds:
Formula of compound: FeSO₄ (aq)
Cation formula : Fe²⁺
Number of moles of cation : 1
Anion formula : SO₄²⁻
Number of moles of anion: 1
Formula of compound: (NH₄)₂SO₄ (aq)
Cation formula : NH₄⁺
Number of moles of cation : 2
Anion formula : SO₄²⁻
Number of moles of anion: 1
Formula of compound: Pb(NO₃)₂ (aq)
Cation formula : Pb²⁺
Number of moles of cation : 1
Anion formula : NO₃⁻
Number of moles of anion: 2
Formula of compound: K₃PO₄ (aq)
Cation formula : K⁺
Number of moles of cation : 3
Anion formula : PO³⁻
Number of moles of anion: 1
Formula of compound: Fe₂(SO₄)₃ (aq)
Cation formula : Fe³⁺
Number of moles of cation : 2
Anion formula : SO₄²⁻
Number of moles of anion: 3
What are cations and anions?Ions are atoms or groups of atoms that possess an electric charge.
Cations are positively charged ions.
Cations are formed as a result of the loss of electrons.
Metallic elements usually form cations.
Anions are negatively charged ions that are formed as a result of electron gain.
Non-metals usually form anions.
Compounds that are composed of oppositely charged ions are known as ionic compounds.
When ionic composed are dissolved in water or in molten form, the ions are free to move.
The separation of the ions in ionic compounds is known as dissociation.
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What piece of equipment can be used to remove a harmful gas from an exhaust stream?
Question 8 options:
Liquid dissolver
Absorption column
Solvent mixer
Heat exchanger
The equipment which can be used to remove a harmful gas from an exhaust stream is known as wet scrubber.
The correct answer choice is option a
What is a wet scrubber?This simply refers to an equipment which is use to harmful gas, liquid or solid substance from an exhaust stream.
When a substance is harmful, it means it can affect living things in different forms. A harmful or toxic gas is very dangerous to our health system. When an exhaust stream contains any toxic substances, the wet scrubbers can be used to remove it
So therefore, wet scrubbers or venti scrubbers can be used to remove harmful gas from an exhaust stream.
Complete question:
What piece of equipment can be used to remove a harmful gas from an exhaust stream?
a. Wet scrubber
b. Liquid dissolver
c. Absorption column
d. Solvent mixer
e. Heat exchanger.
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The motion of one particle of a gas is unaffected by the motion of other particles of the gas unless the particles _____.
the molar heat capacity of silver is 25.35 j/mol⋅∘c . how much energy would it take to raise the temperature of 8.20 g of silver by 17.3 ∘c ? express your answer with the appropriate units.
33.34 J of energy it would take to raise the temperature.
Specific heat = J/g C
(25.35 J/mole C) x (1 mole / 107.8682g) = 0.2350 J/g C
Energy required = (mass in grams)x(Specific heat)x(Temp final - Temp initial)
= (8.20 g)(0.2350 J/g C)(17.3°C) = 33.34 J (units cancel for /g C)
Heat capacity or specific heat is the quantity of heat consistent with unit mass that is required to elevate the temperature with the aid of 1°C. particular warmness is helpful in figuring out the processing temperatures and quantity of warmth vital for processing and may be helpful in differentiating between polymeric composites.
The specific heat capacity (or in reality, the specific heat), that's the heat potential according to unit mass of a material. Experiments show that the transferred heat relies upon on three factors: (1) The change in temperature, (2) the mass of the system, and (3) the substance and phase of the substance.
The specific heat is the quantity of heat energy per unit mass required to elevate the temperature by way of one degree Celsius. The connection between warmth and temperature change is commonly expressed inside the form shown under where c is the unique warmness .
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that liquid pressure increases with the depth on the basis of the following points materials required
How many atoms are present in 97.34g of zinc?
To discover the number of atoms in a piece, divide its importance in grams by the periodic table's amu atomic mass, then multiply the result by Avogadro's number: 6.02 x 1023.
What is atoms?An atom is a matter particle that defines a chemical element uniquely. An atom is made up of a central nucleus and one or more negatively charged electrons.The nucleus is positively charged and contains one or more heavy particles called protons and neutrons. An atom exists as an essential particle of value that contains at least one proton.Here are a few atom examples: neon (N) and hydrogen (H) (Ne). Because atoms were once thought to be the smallest things in the universe and could not be divided, the term "atom" comes from the Greek word for indivisible.
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how does temperature affect water movement in oceans?
Provide two functions of the sweat gland pore.
Answer:
regulate temperature and remove waste