[tex]\sf\huge\underline\purple{Ozone\: Gas:-}[/tex]
Ozone, O3, an unstable, blue, diamagnetic gas with a characteristic pungent odor, protects the earth and its inhabitants from intense ultraviolet radiation from the sun.[tex]\rightarrow[/tex]Ozone is an allotropic molecular form of oxygen containing three atoms of oxygen (O3). Ozone O3 is generated through the passage of oxygen O2 through a high voltage potential resulting in the attachment and formation of a third oxygen atom.
[tex]\rightarrow[/tex]The molecular formula for ozone (O3) was established by Soret (1863) by taking the ratio of the change in volumes when O3/O2 mixtures were either heated or exposed to turpentine and cinnamon oil.
Formation:-[tex]\rightarrow[/tex]Ozone is formed when heat and sunlight cause chemical reactions between oxides of nitrogen (NOX ) and Volatile Organic Compounds (VOC), which are also known as Hydrocarbons. This reaction can occur both near the ground and high in the atmosphere.
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Hope it helps you:)
two ways a community can protect the water supply.
Answer:
Keep the tap closed when not using it, and to not use it every day, like washing a car, you can clean it with a sponge and a bucket of water.
Explanation:
I don't know if this helps though.
2) What amount of pressure is felt when your science teacher sits on a seat of nails
which measures 9 in by 9 in? Your science teacher weighs 280 pounds.
Answer:
23936.5 N/m² or 23936.5 Pa
Explanation:
Unit conversion
inches to meters ⇒ × 0.0254pounds to kilograms ⇒ × 0.45Our dimensions
9 inches ⇒ 0.229 m280 pounds ⇒ 127.01 kgSolving
P = F/AP = mg/AP = 127.01 x 9.8 / 0.229 x 0.229P = 1244.698 / 0.052P = 23936.5 N/m² or 23936.5 PaAll the following are examples of common materials EXCEPT?
The change in enthalpy that occurs in the process of converting reactants to products in a chemical reaction is called the _____ of reaction.
Answer:
Heat or Enthalpy of reaction
This is denoted as ∆H∆H is the enthalpy the of the reaction If ∆H is positive reaction is exothermic otherwise endothermicIdentify whether each compound is a straight chain, branched chain, or cycloalkane.
Answer:
the first one is branched, the second one is also branched and the third one is cycloalkane
Answer:
A: straight chain, B: branched chain, and C: cycloalkane.
Explanation:
Where do Grasshoppers have their ears?
Grasshoppers Have Ears on Their Bellies
Explanation:
What is the function of the outer covering of a plant? a plant's outer covering is involved in reproduction. a plant's outer covering helps reduce water loss. a plant's outer covering is for preying on other plants. a plant does not have an outer covering.
Answer:
i dont know but good luck beacuse im doing the test and im stuck ngl
Explanation:
Answer:
B
Explanation:
If 86.4dm^3 of carbon dioxide gas contains N × 10^23 molecules at room temperature and pressure, find the value of N.
At T 25 ° C (298 K) and P 1 atm are stated by RTP ⇒ Vm = 24.4 liters / mol
86.4 dm³ = 86.4 L = 86.4/24.4 = 3.54 mol
1 mole = 6.02.10²³ molecules
3.54 x 6.02.10²³ = 21.31 x 10²³ molecules
N = 21.31
Which gland of the endocrine system is located near the brain?
Answer:
The pituitary gland is located below the brain. :)
What element is used to reduce ni cations in nickel ore to form metallic nickel? enter its chemical symbol.
Carbon monoxide with pressure pCO = 0.01 at 800°C is use to reduce the nickel oxide to metallic nickel.
The chemical symbol is CO.
Nickel Extraction?Nickel can be extracted from it's ore through extractive metallurgy. This entails the process of conventional roasting and reduction processes of nickel ore which will produce nickel metal which is greater than 75% purity. In stainless steel applications, 75% pure nickel can be used without been purified furthe purification which depend the components impurities of impurities present in it. Carbon monoxide is use as the reducing agent as it reduce it from nickel oxide to nickel metal.
Therefore, Carbon monoxide with pressure pCO = 0.01 at 800°C is use to reduce the nickel oxide to metallic nickel.
The chemical symbol is CO.
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The partial pressure of carbon dioxide is greatest in:.
Answer:
Partial pressure of carbon dioxide is high in the pulmonary capillaries.
Explanation:
2.
What is the temperature when the volume is 4L? The original temperature is 200K and the
original volume is 5L.
Answer:
160
Explanation:
p*v/t = constant
or
p1*v1/t1 = p2*v2/t2
pressure is not stated in question so we get rid of it on both sides
v1/t1 = v2/t2
we are finding temperature so we flip the entire equation
t1/v1 = t2/v2
200/5 = t2/4
4(200/5) = t2
=160
Answer:
Yes it is 160K as the first person said
what volume of N2 is required to convert 5.0L of hydrogen gas to ammonia? assume that all gases are at the same temperature and pressure and that the reaction is complete
Answer:
Approximately [tex]1.7\; {\rm L}[/tex].
Explanation:
Nitrogen [tex]{\rm N_{2}}\, (g)[/tex] reacts with hydrogen [tex]{\rm H_{2}}\, (g)[/tex] at a [tex]1:3[/tex] ratio to produce ammonia [tex]{\rm NH_3}\, (g)[/tex]:
[tex]{\rm N_{2}}\, (g) + 3\; {\rm H_{2}}\, (g) \to 2\; {\rm NH_{3}}\, (g)[/tex].
The ratio between the coefficient of [tex]{\rm N_{2}}\, (g)[/tex] and the coefficient of [tex]{\rm H_{2}}\, (g)[/tex] is:
[tex]\begin{aligned}\frac{n({\rm N_{2}})}{n({\rm H_{2}})} = \frac{1}{3}\end{aligned}[/tex].
Under the ideal gas assumptions, the same ratio would apply to the volume of [tex]{\rm N_{2}}\, (g)[/tex] and [tex]{\rm H_{2}}\, (g)[/tex] in this reaction:
[tex]\begin{aligned}\frac{V({\rm N_{2}})}{V({\rm H_{2}})} = \frac{n({\rm N_{2}})}{n({\rm H_{2}})} = \frac{1}{3}\end{aligned}[/tex].
[tex]\begin{aligned}V({\rm N_{2}})= \frac{1}{3}\, V({\rm H_{2}})\end{aligned}[/tex].
Given that [tex]V({\rm H_{2}}) = 5.0\; {\rm L}[/tex]:
[tex]\begin{aligned}V({\rm N_{2}}) &= \frac{1}{3}\, V({\rm H_{2}}) \\ &= \frac{1}{3}\times 5.0\; {\rm L} \\ &\approx 1.7\; {\rm L}\end{aligned}[/tex].
(Rounded to [tex]2[/tex] significant figures.)
What makes a light wave different from all mechanical waves?
Answer:
Light is a transverse wave.
Explanation:
Light waves are not considered mechanical waves because they don't involve the motion of matter. Most of the mathematics and properties of mechanical waves apply to light waves. Light waves are different from mechanical waves, however, because they can travel through a vacuum.
If 25.0 g NO are produced, how many grams of nitrogen gas are used?
A: 5.84 g
B: 11.7 g
C: 23.3 g
D: 33.6 g
Based on the assumption that the reaction involves N and O to produce NO, if 25.0 g of NO are produced, the amount of N gas used would be 11.66 grams
Stoichiometric calculationFrom the equation of the reaction:
N + O ---------> NO
Mole ratio of N to NO is 1:1
Mole of 25.0 g of NO = 25/30.01 = 0.833 moles
Equivalent mole of N = 0.833 moles
Mass of 0.833 moles N = 0.833 x 14 = 11.66 grams
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The equation below represents a chemical reaction. Zn (s) + 2HCl (aq) → ZnCl2 (aq) + H2 (g) A 5.00-g sample of zinc is added to hydrochloric acid. The amount of hydrochloric acid is sufficient to allow the zinc to react completely. What mass of hydrogen gas does this reaction produce? A. 0.0308 g B. 0.0771 g C. 0.121 g D. 0.154 g
Answer:
D
Explanation:
What is the mass of the solute in 750 mL of 0. 132 mol/L potassium carbonate?
mol = 0.75 L(750 ml) x 0.132 mol/L =0.099 mol
potassium carbonate: K₂CO₃ ⇒ MM = 138,205 g/mol
mass = 0.099 x 138.205 = 13.68 g
Define the main temperature, precipitation, location and soil characterisitcs of the following Biomes.
1. Tundra
2. Temperate Grassland
3. Tropical Rainforest
Answer:
Tundra :a vast, flat, treeless Arctic region of Europe, Asia, and North America in which the subsoil is permanently frozen.
Temperate grasslands are characterized as having grasses as the dominant vegetation.
Tropical rainforests are rainforests that occur in areas of tropical rainforest climate in which there is no dry season – all months have an average precipitation of at least 60 mm – and may also be referred to as lowland equatorial evergreen rainforest.
Question 4 of 10
Match the feature with its description.
Sinkholes
?
Hang from cave ceilings.
Stalagmites
?
Grow from cave floors.
Stalactites
?
Collapsed caves.
Speleothems
?
Cave features.
Speleothems
Answer:
Stalactites - Hang from caves ceilings
Stalagmites - Grow from cave floors
Sinkholes - Collapsed caves
Speleothems - Cave features
Explanation:
Got it right :)
Distinguish between single and double replacement reactions and give an example of
each.
Answer:
Anabolism builds complex molecules from simpler ones, while catabolism breaks large molecules into smaller ones.
Explanation:
What is the best reason that fire is not considered a living organism?.
Answer:
all living organisms have cells fire does not
what is the pH of a solution with a pOH of 3.23
Answer:
10.77
Explanation:
The relationship between pH and pOH is
pH + pOH = 14
Plugging in the pOH makes
pH + 3.23 = 14
And solving for pH by subtracting 3.23 on both sides
pH = 10.77
Which of the mechanical waves below has the most energy?
A. Red
B. Blue
C. Green
D. Gold
Answer:
A. Red
Explanation:
Please answer.
A solar energy project is expected to have capital costs of $995,000, average yearly operating costs of $175,000, and a lifetime of 25 years. If the total production during the lifetime of the project is 89,500,000 kWh, what is the Levelized cost of energy (LCOE)?
a.$0.60 per kWh
b.$0.77 per kWh
c.$0.06 per kWh
d.$0.07 per kWh
Which of the following is a characteristic of Levelized cost of energy (LCOE)?
a. It is the minimum price per kWh at which electricity must be sold to break even over the lifetime of a power-generating project.
b. It is the maximum amount of power that can be produced per dollar over the lifetime of a power-generating project.
c. It is the maximum price per kWh at which electricity must be sold to break even over the lifetime of a power-generating project.
d. It is the minimum amount of power that can be produced per dollar over the lifetime of a power-generating project.
Which of the following statements is true for both solar energy and wind energy?
a. Energy is able to be collected both day and night.
b. Power from this energy source can easily be integrated into existing power grid systems.
c. Power generation using this energy source does not contribute to water pollution.
d. Energy collection equipment can be installed in agricultural areas without affecting crop production.
The Levelized Cost of Energy of the solar plant is $0.60 per kWh.
Solar energy and wind energy can both easily be integrated into existing power grid systems.
What is Levelized Cost of Energy?The Levelized Cost of Energy is a measure of the average net present cost of electricity generation for a generating plant over its lifetime.
The Levelized Cost of Energy of the solar energy product is calculated as follows:
Total cost over 25 years = 995,000, + $175,000 × 25 = $5,370,000
Total energy production over 25 years = 89,500,000 kWh
Levelized Cost of Energy = $5,370,000/89,500,000 kWh
Levelized Cost of Energy = $0.60 per kWh
The Levelized cost of energy (LCOE) is the minimum amount of power that can be produced per dollar over the lifetime of a power-generating project.
For solar energy and wind energy, power from both energy sources can easily be integrated into existing power grid systems.
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Answer:
one.
Which of the following statements is true for both solar energy and wind energy?
Power generation using this energy source does not contribute to water pollution.
2.
Which of the following is a characteristic of levelized cost of energy (LCOE)?
It is the minimum price per kWh at which electricity must be sold in order to break even over the lifetime of a power-generating project.
3.
A solar energy project is expected to have capital costs of $995,000, average yearly operating costs of $175,000, and a lifetime of 25 years. If the total production during the lifetime of the project is 89,500,000 kWh, what is the levelized cost of energy (LCOE)?
$0.06 per kWh
Explanation:
if you dont believe me thats all right i did it the answers are 200% you can check it for yourself
Use the particle of theory why do solid do not flow.
Answer:
Solids dont flow because there is a strong attraction between the atoms, keeping them bonded together tightly.
Explanation:
They will continue being solid until temperature is increased at the melting point.
Reading Strategy (page 412)
Relating Text and Visuals As you read, look carefully at Pigures 1
and 2 and read their captions. Complete the table by describing the
work ohown in each figure for more information on this Reading
Strategy, see the Reading and Study Skills in the skills and
Reference Handbook at the end of your textbook
Figure
Direction
of Force
Oirection
of Motion
Is Work
Dono?
20
20
20
412 A101
Work is said to be done when force moves a distance and the direction of motion is in the direction of applied force.
What is work done?Work done is defined as the product of applied force and the distance which the applied force moves.
According to Newton's second law of motion the acceleration of a body is inversely to its mass ut directly proportional to the force and takes place in the direction of the applied force.
Therefore, work is done when force moves a distance and the direction of motion is in the direction of applied force.
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What best describes these three molecules? they are not isomers. they are structural isomers. they are geometric isomers. they are both structural and geometric isomers.
Answer:
B
Explanation:
Answer:
The correct answer is B.
They are structual isomers.
."A ternary covalent compound consists of 3 types of nonmetallic elements in its chemical formula." Which is NOT an example of a ternary covalent compound ? A. Ozone (03)
B. Sucrose (C12H22011)
C. Carbonic acid (H2C03)
D. Ammonium sulfide (NH4)2s
Barium nitrate Ba (NO3)2 is used to produce a green colour in fireworks. It is the product of Barium Hydroxide with HNO3. Propose its balanced chemical equation
The balanced chemical equation for the reaction between barium hydroxide, Ba(OH)₂ and HNO₃ to produce barium nitrate, Ba(NO₃)₂ is
Ba(OH)₂ + 2HNO₃ —> Ba(NO₃)₂ + 2H₂O
What is a chemical equation?Chemical equations are representations of chemical reactions using symbols and formula of the reactants and products.
The reactants are located on the left side while the products are located on the right side.
Reactants —> Products
The balancing of chemical equations follows the law of conservation of matter which states that matter can neither be created nor destroyed during a chemical reaction but can be transferred from one form to another.
How to write the balanced equationBa(OH)₂ + HNO₃ —> Ba(NO₃)₂ + H₂O
There are 2 atoms of N on the right side and 1 atom on the left side. It can be balanced by writing 2 before HNO₃ as shown below:
Ba(OH)₂ + 2HNO₃ —> Ba(NO₃)₂ + H₂O
There are 4 atoms of H on the left side and 2 atoms on the right side. It can be balanced by writing 2 before H₂O as shown below
Ba(OH)₂ + 2HNO₃ —> Ba(NO₃)₂ + 2H₂O
Now, the equation is balanced
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Using the notation just described, represent a cell based on the following reaction:
ClO3−(aq)+3Cu(s)+6H+(aq)→Cl−(aq)+3Cu2+(aq)+3H2O(l)
Pt is used as an inert electrode in contact with the ClO3− and Cl− .
Drag the appropriate labels to their respective targets. For neutral species, leave the pink target blank.
The cell notation of the redox reaction between Cu and ClO₃⁻ is:
Cu/Cu²⁺//ClO₃⁻//Cl⁻/PtWhat is a voltaic cell?A voltaic cell or electrochemical cell is a device which produces electricity from chemical reactions occuring within the cell.
The reactions occuring in a voltaic cell are redox reactions.
Oxidation occurs at the anode while reduction occurs at the cathode.
In the given reaction between Cu and ClO₃⁻ as shown below:
ClO₃⁻ (aq) + 3 Cu (s) + 6H⁺ (aq) → Cl⁻ (aq) + 3 Cu²⁺ (aq) + 3 H₂O (l)Cu is oxidized as follows: 3 Cu (s) → 3 Cu²⁺
ClO₃⁻ is reduced as follows: ClO₃⁻ (aq) → Cl⁻ (aq)
The voltaic cell notation is as follows where Pt is used as an inert electrode in contact with the ClO₃⁻ and Cl⁻:
Cu/Cu²⁺//ClO₃⁻//Cl⁻/PtTherefore, the cell notation of the redox reaction between Cu and ClO₃⁻ shows that Cu is oxidized while ClO₃⁻ is reduced.
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