What is the name of the configuration management procedure that involves the collection of information about a system under normal operating conditions, to be used as a comparison when conditions are abnormal
The name of the configuration management procedure that involves the collection of information about a system under normal operating conditions is Baselining.
What is Baselining?Baselining is a management process used to analyze a collection of information about a particular system.
This procedure (Baselining) is well known to analyze computer performance in a given network.
In conclusion, the name of the configuration management procedure that involves the collection of information about a system under normal operating conditions is Baselining.
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Which law of thermodynamics relates most directly to the Law of Conservation of Energy?
Answer:
First Law of Thermodynamics
Explanation:
The first law of thermodynamics is literally another name for the law of conservation of energy.
Almost All of the Energy reaching the Earth from the sun is in the form of ________.
Answer:
solar radiation
Explanation:
how many principal energy levels are there
Answer:
There is an infinite number of Principal Energy Levels, see the answer for a full explanation
Explanation:
As stated above There is an Infinite number of principal energy levels, yet there are 4 main principles for principal energy; energy levels, sublevel, orbitals, and a number of electrons per sublevel.
Which of the following materials fall in the category of a ‘‘pure substance’’?
Ice, Milk, Iron, Hydrochloric acid, Calcium oxide, Mercury, brick, wood, Air
Answer:
1) Ice, iron, calcium oxide and mercury are pure substances since they contain particles of only one kind of matter.
2) In contrast, milk, hydrochloric acid (hydrogen chloride gas dissolved in water), brick and air cannot be called pure substances because they consists of particles of more than one kind of matter.
How many
particles would
be found in a
2.74 g sample of
Beryllium sulfide?
Answer:
4.03 × 10²² particles of beryllium sulfide.
Explanation:
The formula to find the number of particles is:
Number of particles/atoms = number of moles × (6.02 × 10²³)
6.02 × 10²³ = Avogadro's number
But first, we will have to find the number of moles. This can be found using the formula:
Number of moles = mass ÷ Mr
Mr of BeS = 9 + 32.1 = 41.1
Number of moles = 2.74 ÷ 41.1 = 0.067 mol
Now that we know the number of moles, we can find the number of particles.
Number of particles = 0.067 × 6.02 × 10²³
∴ Number of particles = 4.03 × 10²²
Answer:
4.03 × 10²² particles
Explanation:
Had the same question and got it correct.
When an automobile engine burns gasoline, what are the energy conversions? (Hint: there are three.)
Answer:
The release of energy from fuels is used to make other forms of
energy. When gasoline burns in a car engine, some of the
chemical energy in the gasoline is converted into heat. The heat
is converted into mechanical energy. The mechanical energy
moves the car .
if you know that I am right please mark it as brainliest
Answer:
It is asking for 3 energy conversions like Mechanical energy is one of them
Explanation:
What is the mass of 5.00 moles of KaS04?
A
34.8 grams
B
174 grams
C
675 grams
D
870 grams
Answer: D
Explanation:
I assume you meant [tex]\text{K}_{2}\text{SO}_{4}[/tex].
The atomic mass of potassium is 39.0983 g/mol.The atomic mass of sulfur is 32.065 g/mol.The atomic mass of oxygen is 15.9994 g/mol.So, the formula mass of potassium sulfate is 2(39.0983)+32.065+4(15.9994)=174.2592 g/mol.
So, 5.00 moles have a mass of (5.00)(174.2592), which is about 870 g
If you run this reaction with 15 g of CuCl2 and 20 g NaNO3, what is the theoretical yield of NaCl?
The theoretical yield of a substance is the amount of the mass that is calculated from stoichiometry. The mass of sodium chloride produced is 13.03 gms.
What is mass?
Mass of the substance is a multiplication of the molar mass and moles.
The balanced reaction is given as:
CuCl₂ + 2NaNO₃ ⇒ 2NaCl + Cu(NO₃)₂
Moles of copper chloride are calculated as: 15 ÷ 134.45 = 0.115 moles
Moles of sodium nitrate are calculated as: 20 ÷ 84.99 = 0.2353 moles
From the reaction, 1 mole of copper chloride gives 2 moles of sodium chloride so, 0.115 moles of copper chloride will produce 0.223 moles.
Similarly, 2 moles of sodium nitrate produce 2 moles of sodium chloride so, 0.2353 moles produce 0.4706 moles.
From this, it can be concluded that copper chloride is a limiting reagent and will be used to calculate the mass of NaCl.
Mass of NaCl is calculated as: Mass = 0.223 moles × 58.44 = 13.03 gms.
Therefore, 13.03 gms is the theoretical yield of sodium chloride.
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Please help me answer this
Answer:
1.01
Explanation:
you have to trust me
how many grans of NaoH Are needed to neutralize grans of H2So4
Answer :]
to convert from g NaOH to mol NaOH. = 1.48 g NaOH are needed to neutralize the acid.
Which is one possible way that animals would most likely be affected by this action?
Some animals would adapt.
Some animals would go extinct.
Some animals would evolve.
Some animals would be forced to migrate.
Some animals would be forced to migrate due to cutting of forest , Option D is the correct answer.
The complete question is
Humans clear-cut a forest. Which is one possible way that animals would most likely be affected by this action? Some animals would adapt. Some animals would go extinct. Some animals would evolve. Some animals would be forced to migrate.
What is deforestation ?Deforestation means cutting down trees of the forest for wood , or for making more space for living.
Deforestation leads to destruction of habitats of animals .
The balance of the nature gets disturbed , the sea and water bodies get dried up , leading to no water for the animals in the forest.
Animals need big bushes and trees to hide and live.
The Ecosystem gets destroyed because of the cutting of trees by human and so this has lead the animals to migrate.
Therefore Option D is the correct answer.
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Part g
consider the melting points of sugar and salt, as well as the states of sugar, salt, and oil
at room temperature. what can you conclude about the attractive forces between
particles in the three substances?
Salt and sugar have strong attractive forces whereas oil has weak attractive forces between particles.
What type of attractive forces present in salt, sugar and oil?The attractive forces between particles in the salt and sugar substances have strong because of its solid state while on the other hand, the attractive force between particles of oil is weak because of its liquid state.
So we can conclude that salt and sugar have strong attractive forces whereas oil has weak attractive forces between particles.
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The strength of the attractive forces between the molecule of oil, sugar and salt increases from oil to sugar to salt.
What is melting point of a substance?The melting point of a substance is the temperature at which the solid substance melts.
The melting point of a substance is a constant for a pure substance.
The higher the attractive forces between the molecules of a substance, the higher the melting point will be.
Between the three substances, oil has the lowest melting point while salt has the highest melting point.
Therefore, the strength of the attractive forces between the molecule of oil, sugar and salt increases from oil to sugar to salt.
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PLEASE I REALLY NEED HELP!!! ITS NOT MULTIPLE CHOICE BTW :'(
A 76.0-gram piece of metal at 96.0 °C is placed in 120.0 g of water in a calorimeter at 24.5 °C. The final temperature in the calorimeter is 31.0 °C. Determine the specific heat of the metal. Show your work by listing various steps and explain how the law of conservation of energy applies to this situation.
Answer:
660J/kg.°C
Explanation:
Using the fact that
∆E of metal + ∆E of water = 0
∆E of the metal = Q = m*c*(T2-T1)
Where
Q = heat lost or gained = ?
m = mass of metal in kg = 0.076kg
c = specific heat of the metal = ?
T1 = 96°C
T2=31°C
∆E of the water=Q= m*c*(T2-T1)
Where
Q = 0.120*4180*6.5 = 3260J
Therefore
3,260J + Q of the metal =0
3,260J + 0.076*C*(31.0–96.0)=0
3,260J - 4.94c = 0
3,260 = 4.94c
3,260/4.94 = c
660J/kg.°C = specific heat of the metal
hope this helps:)
How many atoms are in 3.2 moles of N2
Answer:
38.54 x 10^23 atoms of N2
Explanation:
Each mole contains Avagadro's Number ( 6.022 x10^23) of particles
3.2 x 6.022 x 10^23 = 19.27 x 10^23 MOLECULES
N2 is TWO atoms soooo 2 x 19.27 x 10^23 = 38.54 x 10^23 atoms
Generally, what is the effect of increased temperature on the rate of dissolution of a solid solute?
Answer:
Increases
Explanation:
The general effect we see as temperature increases is that rate of dissolution of a solid solute increases,
Therefore, we can say that :
Temperature ∝ Rate of dissolution
The conductance of the electric current through the electrolytic solution increases with
a)decrease in dilution
b)increase in dilution
c)increase in concentration
d)low degree of ionization
The conductance of the electric current through the electrolytic solution increases with increase in concentration.
What is electrolytic solution?
Electrolytic solutions are solutions that are capable of conducting an electric current due to presence of ions.
The current flowing in an Electrolytic solutions is calculated as;
Q = It
I = Q/t
where;
Q is chargesIncrease in the concentration of the charges, increases the amount of charges in the solution and hence the conductance of the solutions will increase as well.
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moles
5.
A mixture of gases at a total pressure of 105 kPa contains N2, CO2, and O2. The partial pressure of the O2 is 21 kPa and the
partial pressure of the N₂ is 81 kPa. What is the partial pressure of the CO₂? (3 pts)
Answer:
the daddy and Video Bhai have a
Explanation:
for and or for the if or as or as there have no a of option to go with you 6th and I would love from you to help out in any event that I am from the only reason you would be so close and to me million times is the fact I am from the the only reason you have to do it the way I want it is the best way for us and we are not me million people that are not got to me it's not like they were in a bad place and they didn't want me million other people in my world who made me think about you are
A container of carbon dioxide (CO2) has an initial temperature of 170 K with a pressure of 50 kPa. When the container is heated the pressure is measured at 283 kPa. The volume is constant at 12 L throughout. What is the final temperature of the carbon dioxide (CO2)?
A. 1179.16 K
B. 6.94 K
C. 962.2 K
D. 391.0 K
Answer:
962.2 K
Explanation:
Ideal Gas Law Equation:
PV = nRT
Writing a Equation to find T2:
PV = nRT
(P1V)/(nT1) = R = (P2V)/(nT2)
(P1)/(T1) = R = (P2)/(T2) V and n cancel out since they are constant.
(P1)/(T1) = (P2)/(T2)
T2 = (P2)(T1)/(P1)
Substituting Into the Equation:
T2 = (283 kPa * 170 K)/(50 kPa)
T2 = 962.2 K
Select all statements that correctly describe the stability of eclipsed and staggered conformers. Multiple select question. Staggered conformers possess torsional strain. Eclipsed conformers possess torsional strain. Staggered conformers are lower in energy than eclipsed conformers. Electron-electron repulsion between bonds in an eclipsed conformer may contribute to the low energy of this conform
Eclipsed conformers possess torsional strain and Staggered conformers are lower in energy than eclipsed conformers are TRUE about the stability of conformers.
What does 'eclipsed conformers' mean?Eclipsed conformers are molecular arrangements where two substituents are very close and thus produce torsion.
Moreover, Staggered conformers are molecular arrangements where substituents are found at a maximum length.
In conclusion, Eclipsed conformers possess torsional strain and Staggered conformers are lower in energy than eclipsed conformers are TRUE about the stability of conformers.
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9. (05.06 mc)
during an experiment, the percent yield of calcium chloride from a reaction was 80.34%. theoretically, the expected amount should have been 115 grams. what was the actual yield
from this reaction?
caco, + hc - cacl + co, + h20 (5 points)
a. 090.1 grams
b. 92.4 grams
c. 109.2 grams
d. 115.3 grams
The actual yield of the experiment given the data from the question is 92.4 g (Option B)
What is percentage yield?This is the ratio of the actual yield to the theoretical yield of a given reaction multiplied by 100
Percentage yield = (Actual / Theoretical) × 100
What is actual yield?This is the amount obtained from the expriment procedures
What is theoretical yield?This is the amount obtained from simple calculations as regarding the experiment.
How to determine the actual yieldPercentage yield = 80.34%Theoretical yield = 115 gActual yield =?Actual yield = percentage yield × theoretical yield
Actual yield = 80.34% × 115
Actual yield = 0.8034 × 115
Actual yield = 92.4 g
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Determine the unknown mineral using the information given below. Be sure to use significant figure rules when doing calculations. Mass is shown on the triple beam. Scale Test Mineral Mineral H. Density, g/cc 10 diamond tellurium 2 2.07 9 corundum galena 2.5 7.58 8 topaz anglesite 2.5 - 3 6.4 7 quartz chalcocite 2.5 - 3 5.6 6 feldspar copper 2.5 - 3 9.0 5 apatite gold 2.5 - 3 19.3 4 fluorite silver 2.5 - 3 10.5 3 calcite arsenic 3.5 5.7 2 gypsum barite 3 - 3.5 4.4 1 talc dolomite 3.5 - 4 2.9 platinum 4.5 21.5 willemite 5.5 4.0 magnetite 6 5.18 pyrite 6 - 6.5 5.02 pyrolusite 6 - 6.5 5.0 cassiterite 6.5 6.9 diamond 10 3.52 Volume of water displaced = 0.051 L
Mass: 981.0, 908, 908.1, 981 g
Density: 192.35, 19,235, 19, 19.2 g/cc
Hardness 4, 2.5, 1, 3, 5.5 - 5, 3, 2, 4.5, 1.5
Determine the unknown mineral.
Platinum, Gold
The unknown mineral is gold because of the similar properties of gold to that unknown mineral.
What is unknown mineral?The unknown mineral is Gold because it has similar properties to the gold. Gold has density of 19.3 grams per cubic centimeter which is same to this unknown mineral. The hardness and mass of the mineral are also similar to the Gold.
So we can conclude that the unknown mineral is gold because of the similar properties of gold to that unknown mineral.
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Calculate the volume of hydrogen chloride gas, HCl at s.t.p that would yield 1.2dm3 of 0.15mol/dm3 aqueous HCl solution. (Molar volume of a gas at s.t.p = 22.4dm3)
The volume of hydrogen chloride gas, HCl at s.t.p yielded is determined as 4.032 dm³.
Number of moles of the HCl gas yieldThe number of moles of the gas yield is calculated as follows;
n = 1.2 dm³ x 0.15 mol/dm³
n = 0.18 mole
one mole of HCl gas at stp = 22.4 dm³
0.18 mole = ?
= 0.18 x 22.4 dm³
= 4.032 dm³
Thus, the volume of hydrogen chloride gas, HCl at s.t.p yielded is determined as 4.032 dm³.
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What is the correct formula for Triphosphorous hexachloride?
Answer:
P3
Explanation:
Im pretty sure hope this helps
Compare the properties of the four states of matter in terms of particle arrangement, particle motion, shape, size, and compressibility.
Particle arrangement, shape, and size of the four states of matter generally decreases from solids to plasma, whereas particle motion and compressibility increases from solids to plasma.
What are the four states of matter?The four states of matter are:
solidliquidgasplasmaComparison of the properties of the four states of matter in terms of particle arrangement, particle motion, shape, size, and compressibility can be summarized as follows:
particle arrangement - orderliness decreases from solids to plasma particle motion - increases from solids to plasmashape - solids have definite shapes, whereas liquids, gases and plasma have no definite shapesize - solids have the largest size while plasma have the smallest sizecompressibility - solids are least compressible while plasma is most compressibleTherefore, the particle arrangement, shape, and size of the four states of matter generally decreases from solids to plasma, whereas particle motion and compressibility increases from solids to plasma.
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Identify the solutions among the following mixtures
Soil, Sea water, Air, Coal, Soda water
Answer:
Out of the above mixtures, seawater, air, and soda water are solutions.
hope this helps :3
The diagram below shows three kettles with their powers and the time they take to boil 500cm3 of water. How much energy is transferred (in kilojoules, kJ) by the 1.4kW kettle while it boils the water?
The energy transferred is given as the product of power and time. The 1.4 kW kettle with boiled water produces 378 kJ of energy.
What is energy?Energy is the quantitative property that determines the work done by the body in the form of heat and light.
The image showing the kettles with time and power is attached below.
Given,
Power of the kettle = 1.4 kW
Time taken = 4.5 minutes
If power = energy ÷ time
Then, energy = power × time
= 1.4 × 0.075
= 0.105 KWh
Therefore, 0.105 kWh or 378KJ is the energy transferred.
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how many grams of hcl can dissolve in 200 g of water at 60 c?
The solubility curve is a plot of solubility against temperature.
What is solubility?The term solubility refers to the amount of substance that dissolves in solution at a given temperature. Hence, the solubility curve is a plot of solubility against temperature.
Thus, from the solubility curve (not shown) the amount if HCl dissolved can be obtained hence the question is incomplete.
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Ammonia is produced by reacting hydrogen and nitrogen gases. If 30.0L of hydrogen is mixed with 12.0L of nitrogen at the same temperature and pressure, what is the maximum volume of ammonia gas that could be produced?
[tex](2.4L)NH_3[/tex] is the maximum volume of ammonia gas that could be produced.
What is a mole?A mole is a very important unit of measurement that chemists use. A mole of something means you have 602,214,076,000,000,000,000,000 of that thing, like how having a dozen eggs means you have twelve eggs.
Here is the balanced equation:
[tex]N_2 +3H_2[/tex] → [tex]2NH_3[/tex]
At STP, 1 mole has a volume of 22.4 Liters. To do a dimensional analysis conversion from Liters to moles:
Please observe that Liters and moles vary directly, therefore, we can simply multiply each of the coefficients (that represent moles) by
1.2 L to obtain the volumes:
[tex]\frac{N Litres}{1} \frac{1}{22.4 Litres} =\frac{N }{22.4} mole[/tex]
[tex](1.2L)N_2+(3.6L)H_2 = (2.4L)NH_3[/tex]
Hence, [tex](2.4L)NH_3[/tex] is the maximum volume of ammonia gas that could be produced.
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A new band sensation is playing a concert and recording it for a live album to be released this summer. select all the statements that are true for band producing sound.
a) the frequency or amplitude of the sound waves will not change
b) the frequency or amplitude of the sound waves will change if the singer varies their voice
c)producing sound changes the wane from an electromagnetic wave to a mechanical wave
d)the produced sound waves are mechanical waves
e)the produced sound waves are electromagnetic waves
f) producing the sound does not change the wave type
g) producing sound changes the wave from mechanical wave to an electromagnetic wave
They travel in compressions and rarefactions and are propagated through air.
What are sound waves?Sound waves are longitudinal waves. They travel in compressions and rarefactions and are propagated through air.
The following are true about sound waves:
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