If the pressure starts at 36 Kia what is the final pressure
answer:
is Well-Known Member. For a 35" you should be in the 28-32 range on road.
Explanation:
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Read the chemical equation.
N2 + 3H2 → 2NH3
Using the volume ratio, determine how many liters of NH3 is
produced if 1.2 liters of H₂ reacts with an excess of N2, if all
measurements are taken at the same temperature and
pressure? (5 points)
Answer: 0.8 liters
Explanation:
Given chemical reaction is:
N₂ + 3H₂ → 2NH₃
From the stoichiometry of the reaction, it is clear that:
3 liters of H₂ = produce 2 liters of NH₃
1.2 liters of H₂ = produce 2/3 × 1.2 = 0.8 liters of NH₃
(If it says 0.80, that's the same as 0.8!)
Answer: 0.8 liters
Explanation: Given chemical reaction is:N₂ + 3H₂ → 2NH₃From the stoichiometry of the reaction, it is clear that:3 liters of H₂ = produce 2 liters of NH₃1.2 liters of H₂ = produce 2/3 × 1.2 = 0.8 liters of NH₃(If it says 0.80, that's the same as 0.8!)
In the chemical equation below, name the reactant(s) and product(s).
CH4 (g) + O2 (g) → CO2 (g) + H₂O (g)
Answer:Methane(CH4) and dioxygen(O2) are the reactants
Carbon dioxide(CO2) and water(H2O) are the products
Explanation:
Which functional group is found in an ester? a central carbon is double bonded to o above, and single bonded to r below left and right. a central carbon is double bonded to o above, and single bonded to r below left and to o r prime below right. r single bond o h. r single bond n h 2.
Ester is characterized by a central carbon atom that is double-bonded to an oxygen atom, single-bonded to R, and single-boned to R prime.
What is an ester?It is an organic functional group composed of the following:
One central carbon atomThe carbon atom is double-bonded to an oxygen atomThe carbon atom is single-bonded to a primary alkyl groupThe carbon is single-bonded to a secondary alkyl groupThus, the structure of an ester looks like the attached image.
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Answer:
B
Explanation:
The electrons that are in the outermost electron shell, also known as the ____________ , have ____________ energy than those in the inner electron shells.
To see the number of atoms of an element in a given molecule we need to multiply stoichiometry to the number that is written on the foot of the element that is stoichiometry. The outermost electrons are called valence electrons and its energy is higher than the core electrons.
What is atom?Atom is the smallest particle of any element, molecule or compound. Atom can not be further divided. Atoms contains nucleus in its center and electron that revolve around the atom in fixed orbit.
In the nucleus, proton and neutron are present. Electron has -1 charge while proton has +1 charge. Neutron is neutral that is it has no charge. So overall the charge of nucleus is due to only proton, not by neutron.
The electrons that are in the outermost electron shell, also known as the valence electrons, have higher energy than those in the inner electron shells.
Therefore, the outermost electrons are called valence electrons and its energy is higher than the core electrons.
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How long are tortillas good for after expiration date?.
Answer:
Tortillas generally last for a week after their "best by" date on the counter and about a month if placed in the fridge. But it sometimes depends on how they are stored
Explanation:
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What is the heat abosorbed by 47.5g of silver (Ag) when the temperature rises by 10.0C?
The heat absorbed by 47.5g of silver (Ag) when the temperature rises by 10 °C is 111.625 J .
What is Specific Heat ?Specific heat, the quantity of heat required to raise the temperature of one gram of a substance by one Celsius degree.
The units of specific heat are usually calories or joules per gram per Celsius degree.
The equation used to solve for specific heat capacity is this:
q = mcΔT
where q heat absorbed or lost,
c is the specific heat capacity,
m is the mass, and
ΔT is the change in temperature
= final temperature− initial temperature
Given that m = 47.5g
ΔT = 10 K
Specific Heat of silver = 0.235 J/gK
Therefore
q = 47.5 * 0.235 * 10
q= 111.625 J
Therefore the heat absorbed by 47.5g of silver (Ag) when the temperature rises by 10 °C is 111.625 J .
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When using the scientific method to solve a problem, two of the most important steps are:
a: interpreting data and drawing conclusions
b: stating the problem and making a hypothesis
c: devising an investigation and looking for cause and effect relationships
d: deciding what the outcome should be and recording it
the most important methods are A and B
When using a scientific method, two of the most important steps are stating the problem and making a hypothesis. So the correct option is B.
What is a scientific hypothesis?Any kind of biological investigation will generally start with an observation. An observation is something that catches the attention of the biologist. For example, a microbiologist notices that a bacteria is not stained by any stain and wonder why this is happening.
The base of biology and other sciences have a problem-solving approach called the scientific method. The scientific method has five main steps and an additional feedback step:
Making an observation.Asking a question.Forming a hypothesis or testable explanation.Making a prediction based on the hypothesis.Testing the prediction.Iterating the use of the results to make new hypotheses or predictions.Therefore, when using a scientific method, two of the most important steps are stating the problem and making a hypothesis. So the correct option is B.
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Which best compares 1 mol of sodium chloride to 1 mol of aluminum chloride?
How does engineering affect the amount of human labor needed to harvest rice?
Answer:
Yes
Explanation:
The first step of harvesting is draining the paddy. Next, farmers cut the plants -- with a scythe or sickle if by hand -- and transport them elsewhere to be laid out and dried for two or three days. Rice can be cut by hand or machine. In the developed world, harvesting by hand is still very common.
How many moles of C are in a sample of C5H12 that also contains 22.5g of H?
The number of moles of C present in C₅H₁₂ that contains 22.5 g of H is 9.375 moles
How to determine the mass of C₅H₁₂ that contains 22.5 g of H
1 mole of C₅H₁₂ = (12×5) + (1×12) = 72 g
Mass of H in 1 mole of C₅H₁₂ = 12 × 1 = 12 g
Thus,
12 g of H is present in 72 g of C₅H₁₂
Therefore,
22.5 g of H will be present in = (22.5 × 72) / 12 = 135 g of C₅H₁₂
How to determine the mole of C present in 135 g of C₅H₁₂72 g of C₅H₁₂ contains 5 moles of C
Therefore,
135 g of C₅H₁₂ will contain = (135 × 5) / 72 = 9.375 moles of C
Thus, 9.375 moles of C is present in C₅H₁₂ that contains 22.5 g of H
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You have a piece of chromium with a mass of 35g and a volume of 5 cm^3. What is it’s density?
Besides water, which of the following compounds are found most in sea water?
sodium bromide
sodium chloride
hydrogen chloride
magnesium chloride
correct way for calculating atomic mass
Answer:
mass number = protons + neutrons.
Explanation:
Together, the number of protons and the number of neutrons determine an element's mass number: mass number = protons + neutrons. If you want to calculate how many neutrons an atom has, you can simply subtract the number of protons, or atomic number, from the mass number.
Calculate the volume of an
object with the following
dimensions:
4 cm x 15 cm x 5 cm
Answer:
300cm³
Explanation:
volume=l×b×h
4cm×15cm×5cm
=300cm³
In the diagram, Electrons flow from the right half-cell to the left one through the wire, which statement is true?
The metal strip on the left has a lower activity than on the right
The metal strip on the right has a lower activity than the on on the left
The activities of both metals strips are equal
Answer:
The metal strip on the left has a lower activity than the one on the right.
(Took the exam)
PLEASE HELP ASAP HURRY!!!!: These photographs show two rocks that are about the same size. Which physical property do the two rocks share?
A P E X
A. Texture
B. Color
C. State
D. Shininess
Answer:
C. State
Explanation:
The textures are different
the colors are different
the shininess is different
the state is the same =====> solid
In the laboratory you dissolve 19.4 g of potassium acetate in a volumetric flask and add water to a total volume of 125 mL. What is the molarity of the solution
The molarity of the potassium acetate solution given the data is 1.584 M
What is molarity?This is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:
Molarity = mole / Volume
How to determine the mole of CH₃COOKMass of CH₃COOK = 19.4 g Molar mass of CH₃COOK = 98 g/mol Mole of CH₃COOK =?Mole = mass / molar mass
Mole of CH₃COOK = 19.4 / 98
Mole of CH₃COOK = 0.198 mole
How to determine the molarity of CH₃COOKMole of CH₃COOK = 0.198 mole Volume = 125 mL = 125 / 1000 = 0.125 L Molarity of CH₃COOK = ?Molarity = mole / Volume
Molarity of CH₃COOK = 0.198 / 0.125
Molarity of CH₃COOK = 1.584 M
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Which lists only abiotic factors in this environment?
grass, tree, rock, soil
bird, turtle, grass, tree
sun, water, grass, soil
water, rock, soil, sun
In this case, among the list of components given, the abiotic factors are water, rock, soil, and sun.
What is an abiotic factor?An abiotic factor is a non-living part of an ecosystem that shapes its environment.
Biotic and abiotic factors make up a community via interaction.
Biotic factors are considered living things (having "life") while abiotic factors are simply non-living things.
Hence, in this case, among the list of components given, the abiotic factors are water, rock, soil, sun
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Which equation represents an addition reaction?
(1) c3h6 + cl2 c3h6cl2
(2) caco3 cao + co2
(3) cacl2 + na2co3 caco3 + 2nacl
(4) c3h8 + cl2 c3h7cl + hcl
c3h6 + cl2---- c3h6cl2 is a type of equation represents an addition reaction because new products are formed.
What is addition reaction?Addition reaction is a type of reaction in which one molecule combines with another to form a bigger molecule having no other products. We can see that the above reaction has no byproduct.
So we can conclude that c3h6 + cl2---- c3h6cl2 is a type of equation represents an addition reaction because new products are formed.
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How many grams are in 4.5 moles of NaF?
Answer:
3139542g
Explanation:
That's because if you talk about
4.5
moles of sodium fluoride, you would get a really absurd number of grams.
How much mass does 6 moles of K have?
Answer:
234.6
Explanation:
The half-life of carbon-14 is approximately 5700 years. An archaeologist unearths a piece of wood that is determined to
have 83% of its carbon-14 remaining. Using carbon-12 dating techniques, approximately how old is the ancient piece of
wood that she located?
The age of the ancient piece of wood that she located given the data is 1482 years
How to determine the number of half-lives
Original amount (N₀) = 100%
Amount remaining (N) = 83%
Number of half-lives (n) =?
2ⁿ = N₀ / N
2ⁿ = 100 / 83
2ⁿ = 1.2
Take the Log of both side
Log 2ⁿ = Log 1.2
nLog 2 = Log 1.2
Divide both side by Log 2
n = Log 1.2 / Log 2
n = 0.26
How to determine the age
Number of half-lives (n) = 0.26
Half-life (t½) = 5700 years
Time (t) =?
t = n × t½
t = 0.26 × 5700
t = 1482 years
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The elaboration likelihood model emphasizes the use of __________ persuasion and __________ persuasion methods. a. direct . . . elaborative b. peripheral . . . elaborative c. direct . . . peripheral d. indirect . . . direct
The elaboration likelihood model emphasizes the use of direct persuasion and peripheral persuasion methods.
What is direct persuasion and peripheral persuasion?
This theory involves a dual process which explains how attitudes are changed in individuals through persuasion.
These methods help in the formation of attitude which makes, in this case, option use of direct persuasion and peripheral persuasion.
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Answer:
C. direct . . . peripheral
Explanation:
Because I said so.
When adding sugar to tea, it was observed that the sugar kept dissolving. After a
minute, all of the sugar was completely dissolved, as no extra particles can be
added and be seen floating around. The mixture is then considered to be
Answer: When adding sugar to tea, it was observed that the sugar kept dissolving. After a minute, all of the sugar was completely dissolved, as no extra particles can be added and be seen floating around. The mixture is then considered to be
Explanation:
The molecule of mixture cannot be seen hence, it will be considered as homogeneous mixture.
What is molecule?
A molecule is just a collection of more than two atoms bound together by chemical bonds; depending on the context, the phrase doesn't have to include ions that meet this requirement.
What is homogeneous mixture?Solids, liquids, as well as gases, can all be homogeneous mixtures. Through, they have almost the same look and chemical makeup.
When sugar will be dissolved, the sucrose molecules get separated from one another. The materials that make up individual molecules stay together like sucrose molecules sucrose molecules, so the molecule will not break up.
Therefore mixture can be considered as molecule and homogeneous mixture.
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In this experiment, simple chemical reactions are used to generate small quantities of hydrogen and
oxygen gases. These methods would be too expensive and too complicated if large quantities of these
gases were needed, however. Use your textbook, a chemical encyclopedia, or an online source to look
up the major industrial methods of preparing very large quantities of these gases. Summarize your
findings here.
One of the industrial method for the production of hydrogen is the steam reforming process while oxygen is air separation.
Industrial method of hydrogen preparation
One of the industrial method for the production of hydrogen is the steam reforming process also known catalytic steam–hydrocarbon process.
In catalytic steam–hydrocarbon process, gaseous or vaporized hydrocarbons are treated with steam at high pressure over a nickel catalyst at 650°–950° C to produce carbon oxides and hydrogen.
Industrial method of oxygen preparationOne of the industrial method of oxygen production is the separation of air using either a cryogenic distillation process or a vacuum swing adsorption process.
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How long does it take for dental stitches to dissolve.
The rocks that make up the crust are relatively cold and ?
Answer:
brittle
Explanation:
Sample Response: Forces are either positive or negative vectors, depending on the direction in which the force is acting. The net force is the sum of all of the forces acting on an object. If the children pull on the toy with the same force in opposite directions, the forces will be perfectly balanced and cancel out, leaving a net force of zero.
What did you include in your response? Check all that apply.
Forces are vectors.
Forces can be positive or negative.
The forces exerted by the children are in balance.
The net force is the sum of all of the forces that canceled out to zero.
The net force is the sum of all of the forces that cancelled out to zero. Hence, option D is correct.
What is force?The pushes or pulls on an object with mass causes it to change its velocity.
The net force is the vector sum of all forces acting on an object. Force is a vector quantity.
Two forces of equal magnitude when acting on an object in opposite directions will cancel out each other.
As a result net force is equal to 0. The word net here shows the total force acting on the object.
Hence, option D is correct.
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What is force?
The pushes or pulls on an object with mass causes it to change its velocity.The net force is the vector sum of all forces acting on an object. Force is a vector quantity. Two forces of equal magnitude when acting on an object in opposite directions will cancel out each other. As a result net force is equal to 0. The word net here shows the total force acting on the object.Hence, option D is correct.
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Based on Charles's law, which of the following statements is true for an ideal gas at a constant pressure and mole amount?
The number of collisions is independent of volume.
The number of collisions decreases with increase in volume.
Volume is directly proportional to absolute temperature.
Volume is inversely proportional to absolute temperature.
Answer:
the number of collisions is independent of Volume.
Based on Charles's law, an ideal gas at a constant pressure and mole amount is " the number of collisions is independent of volume."
What is Charles's law?Gases have a propensity to expand while heated, according to Charles' law, an innovative gas law.
What is collisions?A collision would be any situation in where two or even more bodies quickly number of factors on one another.
Based on Charles's law, an ideal gas at a constant pressure and mole amount is " the number of collisions is independent of volume."
Therefore, the correct answer will be option (A).
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