The resulting volume of the tire would be 1.1 L
What is Charles's law?According to this law, the volume of a given gas is directly proportional to its temperature, provided that the pressure remains constant.
The law can be presented mathematically as;
[tex]\dfrac{V_1}{T_1} =\dfrac{V_2}{T_2}[/tex]
In this case, V1 = 1.0 L, T1 = 22 °C (295 K), T2 = 52 °C (325 K).
[tex]V_2=\dfrac{V_1T_2}{T_1}[/tex]V
[tex]V_2=\dfrac{1\times 325}{295}=1.1\ L[/tex]
Hence the final volume of the tire will be 1.1 L
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A chemist creates a reaction between nitrogen and oxygen to form nitrogen monoxide. This reaction is shown by the equation N2(g) + O2(g) ⟶ 2NO(g). The time interval of this reaction is t1 = 12 seconds to t2 = 22 seconds. During this reaction, the O2 concentration changes from 0.237 mol/L to 0.207 mol/L.
What is the average reaction rate for O2 in this reaction?
Answer: here's the answer to your question
1.3 ×10¹ is the average reaction rate for O[tex]_2[/tex] in this reaction N2(g) + O2(g) ⟶ 2NO(g).
What is rate of reaction?
The pace during which a chemical response takes place is known as the reaction rate and rate of reaction. It is proportional to the rise in product concentration per unit time and the fall in reactant concentration per unit time. Response times can differ wildly.
For instance, cellulose burns in a fire in a matter of seconds as opposed to the sluggish, years-long oxidative corrosion of iron that occurs under Earth's atmosphere. For the majority of reactions, the rate gets slower as it goes along. By tracking the concentration changes over time, one can calculate the pace of a reaction.
concentration of N[tex]_2[/tex] =0.34/0.75=0.45M
concentration of O[tex]_2[/tex] =0.34/0.75=0.45M
concentration of NO=1.2/0.75=1.6
Kc = [NO]²/ [ N[tex]_2[/tex] ] × [ O[tex]_2[/tex] ]
= [0.45]²/ [ 0.45 ] × [ 1.6 ]
= 1.3 ×10¹
Therefore, 1.3 ×10¹ is the reaction rate.
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Find grocery items in your home look and see the product label at the back of each item identify the elements or compounds on each item use the table below for this activity grocery time 123456789 10 elements compounds
The chemical elements and compounds that are present in a grocery item such as mayonnaise include:
OilEmulsifier Vinegar SpicesSugarWhat is a product label?A product label can be defined as a paper document which contains information about the nutrients, chemical elements, and other compounds that are present in a product such as a battery, food or an edible material.
This ultimately implies that, a product label is a paper document which is used by manufactures to specify the nutrients, chemical elements, and other compounds that were used to make a particular product.
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how many liters of water would it require to 36 grams of the substance?
3 liters
________________
How many moles of oxygen are in 8.25 g of oxygen
Answer:
0.258 moles of Oxygen.
Explanation:
Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Have a wonderful day!
Which plants have a fibrous root system? (Select all that apply.) grass dandelion carrot corn
The plants which have a fibrous root system are
GrassCornWhat is a fibrous root?A fibrous root system is a root system which consists of large mass of roots of nearly equal size
Some few examples of plants with fibrous roots system are as follows:
Rice plantsSugarcane plantsOnionsPinesAsparagusMaizeIn conclusion; the plants which have a fibrous root system are grasses and corns.
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Consider the equation for the formation of water. 2h2 o2 right arrow. 2h2o what is the theoretical yield of h2o if 130 g of h2o is produced from 18 g of h2 and an excess of o2? 18 g 81 g 130 g 160 g
The theoretical yield is the reaction yield that measures the product of the reaction from the conversion of the limiting reagent. The theoretical yield is 160 gm.
What is mass?Mass or the theoretical yield is the result of the multiplication of mole and the molar mass of the compound.
The reaction between hydrogen and oxygen is shown as,
[tex]\rm 2H_{2} + O_{2} \rightarrow 2H_{2}O[/tex]
Moles of water is calculated as:
[tex]\begin{aligned}\rm moles &= \rm \dfrac{mass}{molar\; mass}\\\\&= \dfrac{18}{2}\\\\&= 9\;\rm moles\end{aligned}[/tex]
The theoretical yield of water is calculated as:
[tex]\begin{aligned}\rm \text{weight of water} &= \rm moles \times molar \; mass\\\\&= 9 \times 18\\\\&= 162 \;\rm gm\end{aligned}[/tex]
Therefore, option D. 160 gm is the theoretical yield of water.
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Two posssible lewis structures for the molecule ch2s are given. determine the formal charge on each atom in both structures
The formal charge on each atom can be known by counting up the number of valence electrons that is present on each atom.
What is Lewis structure?The term Lewis structure is the representation of a compound using its symbols and showing the valence electrons as dots. This question is incomplete as the Lewis structures were not shown.
If it is shown, we can know the formal charge on each atom by counting up the number of valence electrons that is present on each atom.
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A company produces a colorless vinegar that is 5.0% HC2H3O2 in water. Using thymol blue as an indicator, a student titrates a 15.0-milliliter sample of the vinegar with 43.1 milliliters of a 0.30 M NaOH (aq) solution until the acid is neutralized. Identify the negative ion in the NaOH(aq) used in this titration.
The negative ion in aqueous sodium hydroxide, NaOH(aq) is hydroxide ion, OH-.
What is a neutralization reaction?A neutralization reaction is a reaction between an acid and a base to form salt and water only.
The reaction between vinegar and NaOH is a neutralization reaction which produces a salt and water only.
NaOH is composed of a positive sodium ion, Na+ and a negative hydroxide ion, OH-
Therefore, the negative ion in the NaOH(aq) used in this titration is hydroxide ion, OH-.
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Using the data below, what conclusion could you draw?
Car
Cara
Cars
Massi) Trial Time (3) Trial 2 Time(s).Trial 3 Time (s) Average Time (s)
15.5
4.7
49
47
4.8
20.2
3.3
2
3.1
28
79
59
5.6
5.8
Based on the data provided, the mass of the object is inversely proportional to acceleration and directly proportional to the time taken to cover the distance.
How does the mass of a object affect its acceleration?Given that the force applied on an object is constant, the acceleration of the object is inversely proportional to the mass of the object.
According to the Newton's second law of motion, the acceleration of an object is inversely proportional to the mass of the object and directly proportional to the force and takes place in the direction of the applied force.
Based on the data provided, the more mass the car has, the more time it takes to complete the distance.
Therefore, it can be concluded that the mass of the object is inversely proportional to acceleration and directly proportional to the time taken to cover the distance.
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How are oceans and salt marshes different? B A Salt marshes have deeper water than oceans. Salt marshes have shallower water than oceans. Salt marshes have more organisms than oceans. D . Salt marshes have more wave action than oceans. С
Answer:
Salt marshes have shallower water than oceans
Explanation:
oceans go way deeper then salt marshes with the deepest part of thr ocean at 35,876ft deep
Answer: Salt marshes have shallower water than oceans.
Explanation: oceans are deeper
From the table of available reagents select the one(s) you would use to convert cyclohexanone to the following compound:
A reagent is a compound that is used for the detection of the absence or presence of another substance.
What are reagents?Your information is incomplete as the available reagents aren't given. Therefore, an overview will be given.
Reagents are the integral part of a chemical reaction as they facilitate a reaction. A reagent is usually used tests.
Some typical examples of reagents include Tollens reagent, Fehling's reagent, Million's reagent, etc.
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The reagents that would be used to convert cyclohexanone to the following compound: hydrogen cyanide, potassium cyanide, and H₃O⁺, heat.
What is cyclohexanone?It is an organic compound with a chemical formula [tex]\rm (CH_2)_5 CO[/tex].
The cyclohexanone is used as Insecticides, paint and varnish remover, synthetic resins, etc.
It is not harmful to humans and animals, inhalation cause irritation.
Thus, the compound: hydrogen cyanide, potassium cyanide, and H₃O⁺, heat.
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You see color when light waves are reflected off an object or ____ by an object
Answer:
absorbed
Explanation:
Different colors of light can be reflected or absorbed and that determines color. For instance an object that absorbs every color but green will appear green to the human eye.
Would the ph at the equivalence point be acidic, basic, or neutral for each given titration?.
Answer:
At the equivalence point, equal amounts of H+ and OH– ions will combine to form H2O, resulting in a pH of 7.0 (neutral). The pH at the equivalence point for this titration will always be 7.0, note that this is true only for titrations of strong acid with strong base.
Explanation:
Consider the chemical equation. 2h2 o2 right arrow. 2h2o what is the percent yield of h2o if 87.0 g of h2o is produced by combining 95.0 g of o2 and 11.0 g of h2? use percent yield equals startfraction actual yield over theoretical yield endfraction times 100.. 56.5% 59.0% 88.5% 99.7%
The percent yield of H₂O, if 87.0 g of H₂O is produced by combining 95.0 g of O₂ and 11.0 g of H₂ is 87.87%.
How do we calculate mass from moles?Mass of any substance will be calculated by using their moles as:
n = W/M, where
W = given or required mass
M = molar mass
Moles of 95g of Oxygen (O₂) = 95g / 32g/mol = 2.96 moles
Moles of 11g of hydrogen (H₂) = 11g / 2g/mol = 5.5 moles
Given chemical reaction is:
2H₂ + O₂ → 2H₂O
From the stoichiometry of the reaction, it is clear that:
1 moles of O₂ = reacts with 2 moles of H₂
2.96 moles of O₂ = reacts with 2×2.96=5.92 moles of H₂
Here hydrogen is the limiting reagent as it has lower moles and formation of water depends on this only.
2 moles of H₂ = produces 2 moles of water
5.5 moles of H₂ = produces 5.5 moles of water
Mass of 5.5 moles of water will be calculated as:
W = (5.5mol)(18g/mol) = 99g
Given theoretical yield of water = 87g
% yield of water will be calculated as:
% yield = (87 / 99)×100 = 87.87%
Hence required value is 87.87%.
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Answer:
D
Explanation:
Hello people ~
CO2 extinguishers help extinguish fires by –
A. Cutting supply of nitrogen.
B. Limiting the supply of fuel.
C. Reducing the heat of the surroundings.
D. Cutting the supply of oxygen
Answer:
Cutting the supply of oxygen
Explanation:
We know that a thing need three things to burn
Oxygen Heat flammable object .Co_2 stops oxygen supply so fire gets extinguished
Why does a short circuit occur?
A. Current likes to try and break the circuit whenever possible
B. Current always follows the path of least resistance
C. Current always follows the path of most resistance
D. Current randomly flows around the circuit
Answer:
Current randomly flows around the circuitt
Answer:
B. Current always follows the path of least resistance.
Explanation:
A short circuit occurs when the current finds a way to bypass the appliance on a path that has little or no resistance. When one path through the circuit has 0 resistance (a short circuit), current follows the path of least resistance only.
It's sunny in new york, but it is cool. where would you expect to find this lizard during the day? question 16 options: under a rock in a damp stream bed basking in a sunny spot in a hole in the ground
It's sunny in new york, but it is cool, we will expect to find lizard under a rock or in a hole in the ground.
Why lizards are not comfortable in cold?Lizards are not comfortable in the cold season as they are cold blooded animal, so their body will gets slow in the winter season.
During the winter season or in the cool weather, lizards will go to the places where they faces less cooling. And these places be like inside the rocks, under a hole, under the ground, in the trunks of trees, etc.
Hence, options (1) and (4) are correct.
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Suggest the pH of the solution made when potassium oxide dissolves in water.
It gets basic
ie ph>7 for basic solutions
Generic Formula & Molecular Geometry of o3
Answer:
We use the following formula as given below Use the formula below to find the lone pair on the oxygen atom of the SO3 molecule. L.P (O) = V.E (O) – N.A (S-O) Lone pair on the terminal oxygen atom in SO3 = L.P (O)
Explanation:
Calculate the number of moles when 3.00l of a gas at 814 mmhg and 25 °c?
So
No of moles=n
[tex]\\ \rm\rightarrowtail PV=nRT[/tex]
[tex]\\ \rm\rightarrowtail n=\dfrac{PV}{RT}[/tex]
[tex]\\ \rm\rightarrowtail n=\dfrac{814(3)}{25R}[/tex]
[tex]\\ \rm\rightarrowtail n=2442/25R[/tex]
[tex]\\ \rm\rightarrowtail n=97.7Rmol[/tex]
In an atom the number of electrons is
as the
number of protons.
the only time electrons are equal to protons is when the charge is neutral. if the charge is positive then there's more protons.
if the charge is negative then there's more electrons.
What chemical property determines the strength of an acid?.
Voluntary muscles
a.are muscles that work automatically.
b.are only in your arms and legs.
c.are muscles that you can control.
d.are muscles that push.
Answer: C.
Explanation:
Voluntary muscle are muscles that you can control.
What is the molarity if 16. 0 grams of NaOH is dissolved in 855 mL of solution?
Answer:
734.0 grams
Explanation:
Because 16.0 and 855 mL it is 734.0 grams :) hope it helps
What is the molarity of a solution formed when you add 200. Ml of water to 50. Ml of 5. 0 m hcl
The molarity of a solution formed when you add 200 mL of water to 50 mL of 5. 0 M HCl is 1.25M.
How to calculate molarity?The molarity of a solution can be calculated using the following formula:
M1V1 = M2V2
Where;
M1 = molarity of a baseM2 = molarity of acidV1 = volume of baseV2 = volume of acidM1 × 200 = 50 × 5
200M1 = 250
M1 = 250/200
M1 = 1.25M
Therefore, the molarity of a solution formed when you add 200 mL of water to 50 mL of 5. 0 M HCl is 1.25M.
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How does the presence of a nucleus provide a method of basic cell classification?
Answer:
Sample Respond: The nucleus maintains the integrity of genes and controls the activities of the cell by regulating gene expression—the nucleus is, therefore, the control center of the cell.
good luck
Explanation:
I got 100 mark as brainiest
In the titration of 50. 0 mL of 0. 400 M HCOOH with 0. 150 M LiOH, how many mL of LiOH are required to reach the equivalence point
The volume of the 0.15 M LiOH solution required to react with 50 mL of 0.4 M HCOOH to the equivalence point is 133.3 mL
Balanced equationHCOOH + LiOH —> HCOOLi + H₂O
From the balanced equation above,
The mole ratio of the acid, HCOOH (nA) = 1
The mole ratio of the base, LiOH (nB) = 1
How to determine the volume of LiOH Molarity of acid, HCOOH (Ma) = 0.4 MVolume of acid, HCOOH (Va) = 50 mLMolarity of base, LiOH (Mb) = 0.15 MVolume of base, LiOH (Vb) =?MaVa / MbVb = nA / nB
(0.4 × 50) / (0.15 × Vb) = 1
20 / (0.15 × Vb) = 1
Cross multiply
0.15 × Vb = 20
Divide both side by 0.15
Vb = 20 / 0.15
Vb = 133.3 mL
Thus, the volume of the LiOH solution needed is 133.3 mL
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Between which atoms do hydrogen bonds form in water?
A) Oxygen and hydrogen atoms in the same water molecule
B) Oxygen and hydrogen atoms in different water molecules
C) Hydrogen atoms in the same water molecule
D) Oxygen atoms of different water molecules
Answer:
right answer is A bcz
Explanation:
In the case of water, hydrogen bonds form between neighboring hydrogen and oxygen atoms of adjacent water molecules. The attraction between individual water molecules creates a bond known as a hydrogen bond.
Answer:
oxygen and hydrogen indifferent molecules
If a reaction is second-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 4, the reaction rate will _____
Answer:
A reaction is second order with respect to a reactant.
Rate =k[A]
2
(i) If the concentration of the reactant is doubled, the rate of reaction becomes 4 times .
(ii) If the concentration of the reactant is reduced to half, the rate of reaction becomes one fourth.
Explanation:
If a reaction is second-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 4, the reaction rate will increased by factor 16.
How do we calculate the rate of second order reaction?Rate of the second order reaction will depends on the concentrations of one second-order reactant or two first-order reactants as:
Rate(1) = k[A]²
If the concentration of reactant becomes 4 times the initial concentration then rate will be:
Rate = k[4A]²
Rate(2) = 16k[A]²
Rate(2) = 16Rate(1)
Hence rate will increased by 16 times.
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If an object does Not explode, catch fire, or dissolve, how would you describe this object? (Three answers)
Non-combustible
eg:-glass,water,stone, Portland cement etc ...
Answer:
Noncombustible
Explanation:
Not explode means no blastsCan't catch fire hence no combustionnot dissolve means not reacts with H and OSo
Some examples are ,glass ,stone