Question 23 of 25
Which of these is a disadvantage of using natural gas?
A. It is not considered safe to use in homes.
B. It burns less cleanly than other fossil fuels.
C. Scientists have developed new ways of extracting it.
D. Extraction through fracking can contaminate groundwater.
SUBMIT
Answers
Answer:
the answer is D. extraction through fracking can contaminate groundwater
The disadvantage of natural gas has been the contaminating groundwater due to fracking. Thus, option D is correct.
Natural gas has been the stored fossil energy that has been found buried deep inside the earth. The gas has consisted of a varying quantity of compounds with a maximum proportion of methane.
Natural gas has been nonrenewable, causing pollution with the burning. The release of greenhouse gases with the burning of natural gas results in affecting the environment.
Although there has been the presence of various extraction methods, natural gas results in contaminating groundwater due to fracking. Thus, option D is correct.
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Related Questions
Which has a smaller atomic radius: antimony (Sb) or bismuth (Bi)?
Answers
The nitrogen family includes the following compounds: nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi).
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The balanced half-reaction in which chlorine gas is reduced to the aqueous chloride ion is a ________ process. one-electron two-electron four-electron three-electron six-electron
Answers
Answer:
Two-electron.
Explanation:
Hello!
In this case, since the half-reaction by which chlorine is reduced to aqueous chloride ion is:
[tex]Cl^0_2\rightarrow 2Cl^-[/tex]
We can see each chlorine undergo a decrease of electrons by 1, it means that, since there are two chlorine atoms undergoing an electron decrease, we write:
[tex]Cl^0_2+2e^-\rightarrow 2Cl^-[/tex]
Which means this is a two-electron process.
Best regards!
suppose 2.5g of compound a and 3.5g of compound b are consumed in a reaction that produces only one product compound c
Answers
Answer:
Mass of compound c = 6 g
Explanation:
Given:
Mass of compound a = 2.5 g
Mass of compound b = 3.5 g
Find:
Mass of compound c
Computation:
According to Law of conservation of mass
Mass of compound a + Mass of compound b = Mass of compound c
Mass of compound c = 2.5 + 3.5
Mass of compound c = 6 g
Choose the most electronegative atom from the following: K, Mg, As, CI
Potassium (K)
Chlorine (CI)
Arsenic (As)
Magnesium (Mg)
Answers
Answer:
Cl
Explanation:
Electronegativity increases as you move up and to the right of the periodic table. For example, Florine is the most electronegative element.
Cu+2AgNO 3 Cu(NO 3 ) 2 +2Ag what are the reactants
Answers
Answer:
Cu + 2AgNo3 is the reactants
Which of these are properties of metals? Select all that apply.
A. ductile
B. semiconductors
C. shiny
D. gases at room temperature
E. malleable
Answers
Answer:
E,A,D i beleve
Explanation:
im pretty sure thats what it is
Determine the frequency of light with a wavelength of 4.50 x 10-7 m.
Answers
the specific heat capacity of titanium is 0.523j/g c what is the heat capacity of 2.3g of titanium
Answers
Answer:
1.2029 J/g.°C
Explanation:
Given data:
Specific heat capacity of titanium = 0.523 J/g.°C
Specific heat capacity of 2.3 gram of titanium = ?
Solution:
Specific heat capacity:
It is the amount of heat required to raise the temperature of one gram of substance by one degree.
Formula:
Q = m.c. ΔT
Q = amount of heat absorbed or released
m = mass of given substance
c = specific heat capacity of substance
ΔT = change in temperature
1 g of titanium have 0.523 J/g.°C specific heat capacity
2.3 × 0.523 J/g.°C
1.2029 J/g.°C
6.Which of the following is NOT true about the lens?
Answers
The following statement which is NOT true about the lens is:
A. It sends light to the optic nerveThe lens is a piece of glass which is used for the dispersal or refraction of light and is used to focus light onto the retina of the eye.
As a result of this, the lens is responsible for refracting of light, focusing of light and it is transparent. However, it does not send light to the optic nerve.
Therefore, the correct answer is option A
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Which layer of the sun is responsible for producing the light shown in the picture above? Radiative zone Convective zone Photosphere Chromosphere
Answers
Answer:
Answer Expert Verified
The lights shown in the figure comes from the outermost layer of the Sun. This layer is called photosphere. This is the layer from where the light of the Sun is radiated, before travelling through space and reaching us.
Answer:
That guy is wrong, I believe it is c
Explanation:
PLZ HELP YOUVE GOT 10 MINUTES AND I WILL MARK YOU BRAINIEST OR WHATEVER ITS CALLED, it’s the last question on my test
Answers
Answer:
The answer is Chromatography, I believe.
Explanation:
Chromatography is the method used to separate the color pigments in ink or other liquids.
GIVING BRAINLIEST! Please answer with 5-7 sentences.
Describe exothermic reactions in terms of energy.
Answers
Answer:Exothermic reactions are reactions or processes that release energy, usually in the form of heat or light. In an exothermic reaction, energy is released because the total energy of the products is less than the total energy of the reactants.
Explanation:lol
To decrease the power used:
O A. make sure the circuit wires run horizontally.
B. increase the voltage.
O C. decrease the current.
O D. increase the resistance.
Answers
What is the formula for Nickel (II) Bisulfate?
Answers
Answer:
[tex]NiHSO_{4}[/tex]
Explanation:
We're using nickel with a charge of 2, as indicated by the "(II)" in the name, and bisulfate refers to HSO[tex]_{4}[/tex], which has a charge of 2-, so they are in a 1:1 ratio.
What type of weathering causes mineral. composition of rocks to change?
A:chemical weathering
B:General weathering
C:Mechanical weathering
D:Permeable weathering
Answers
Answer:
Chemical weathering
Explanation:
I need serious help
Answers
Answer:
with what may I ask?
Explanation:
enshdufhd
Answer:
No teooobh the awnser is carrot
Explanation:
7 proton, 7 neutrons, 10 electrons
Answers
Answer: its nitride ion
Explanation:
Under what conditions can a supersaturated solution be formed?
A- cool the solution back down to room temperature very carefully
B- cool the solution back down to room temperature haphazardly
C- leave the solution undisturbed as it is cooling
D- heat a solvent above room temperature
E- cool a solvent below room temperature
Answers
Answer:
E. Cool a solvent below room temperature
Explanation:
When a solution that has had more solute dissolved at a higher temperature is now cooled, it becomes supersaturated at the lower temperature. Because that supersaturated solution holds more solute than is stable at the lower temperature, crystals start to form.
To solve this we must be knowing each and every concept related to supersaturated solution. Therefore, the correct option is option E among all the given options.
What is supersaturated solution?The excess solute solution that the solvent can dissolve is known as a supersaturated solution. The substance that may dissolve in a solution, such as salts but not limited to salts, is referred to as a solution if we are unsure of what a solute or solvent is.
A solution becomes supersaturated at a lower temperature when it is cooled after having additional solute incorporated at a higher temperature. Crystals begin to form because the supersaturated solution contains more solute than would be stable just at lower temperature.
Therefore, the correct option is option E among all the given options.
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If the mass of an object on Earth is 25 kg, what is its weight?
Answers
Answer:
250 Newtons.
Explanation:
Weight is a force and the Second Law of Newton can be used to figure out the Force ( weight) of this mass. Since F = ma, and 'a' on Earth is the acceleration due to freefall at 10 m/s^2 ( really 9.8 m/s^2- so your teacher may want your answer as 245 N), you multiply your mass ( 25g ) and your acceleration on Earth and you get 250 N.
What volume of hydrogen gas at STP will be produced from 36.7 g of magnesium reacting with an excess amount of hydrochloric acid?
Answers
Answer:
V = 34.3 L
Explanation:
Given data:
Volume of hydrogen produced = ?
Mass of magnesium = 36.7 g
Temperature and pressure = standard
Solution:
Mg + 2HCl → MgCl₂ + H₂
Number of moles of magnesium:
Number of moles = mass/molar mass
Number of moles = 36.7 g/ 24 g/mol
Number of moles = 1.53 mol
Now we will compare the moles of magnesium with hydrogen.
Mg : H₂
1 : 1
1.53 : 1.53
Number of moles of hydrogen produced = 1.53 mol
Volume of hydrogen:
PV = nRT
V = nRT / P
V = 1.53 mol × 0.0821 atm.L/mol.K × 273 K/ 1 atm
V = 34.3 L
Two 1 kg masses are heated up on a hotplate for the same amount of time. One is made of copper, the other of iron. The copper one rises from 20°C to 30°C , but the iron one only goes from 20°C to 25°C. Explain why this happens.
Answers
Answer:
my explanation is best on conduction which is the process of heat being evenly distributed between or in metals and in this case copper absorbs heat faster than iron that's what I think
State what would most likely happen to the rate of enzyme action if the temperature were reduced by 10 degrees. Support your answer.
Answers
Answer:
Explanation:afa
hich of the following best describes a person doing science?
A.
Dominick uses a computer to do his math homework.
B.
Lindsay measures the sizes of the craters on the Moon.
C.
Isabel invents a new kind of doorknob.
D.
Murray randomly predicts the result of a coin toss.
Answers
Answer:
I think it is answer B. what grade are you in? im in 7th.
Explanation:
What mass of Cu(s) is electroplated by running 19.5 A of current through a Cu2 (aq) solution for 4.00 h
Answers
Answer:
92.46 g
Explanation:
The reaction is
[tex]Cu^{2+}+2e^-\rightarrow Cu[/tex]
I = Current = 19.5 A
t = 4 hours = [tex]4\times 60\times 60=14400\ \text{s}[/tex]
F = Faraday constant = 96485.33 C/mol
Molar mass of copper = 63.546 g/mol
Charge is given by
[tex]Q=It\\\Rightarrow Q=19.5\times 14400\\\Rightarrow Q=280800\ \text{C}[/tex]
Moles of electrons is given by
[tex]\dfrac{Q}{F}=\dfrac{280800}{96485.33}\\ =2.91\ \text{mol}[/tex]
Moles of copper is
[tex]\dfrac{1}{2}\times \dfrac{Q}{F}=\dfrac{1}{2}\times 2.91\\ =1.455\ \text{mol}[/tex]
Mass of copper would be
[tex]\text{Moles}\times \text{Molar mass of copper}=1.455\times 63.546\\ =92.46\ \text{g}[/tex]
The mass of copper electroplated is 92.46 g.
A student measures out exactly 0.0970 g of salicylic acid and carries out an aspirin synthesis using salicylic acid, acetic anhydride, heat, and an acid catalyst. Salicylic acid is the limiting reagent in this reaction, which yields 0.1030 g of aspirin. What is the percent yield for the reaction?
Answers
Answer: 106.19%
Explanation:
percent yield = actual/theo * 100%
our theoretical yield is the limiting reagent and then we have our actual given
.1030/.0970* 100% = 106.19%
The percent yield of prepared aspirin is 102.84%.
What is percent yield?Percent yield is defined as the ratio of actual yield to the theoretical yield multiplied by 100. If the actual and theoretical yield are same then the percent yield is 100%.If actual yield is less than the theoretical yield then the percent yield is less than 100%.Reason of this condition arising is the incompletion of reaction or loss of sample during recovery process.
In cases where percent yield is over 100% it indicates that more sample is recovered than the predicted amount.This condition arises when there are other simultaneous reactions taking place leading to the formation of product. It can also arise if there is incomplete removal of impurities from the sample .
By using the formula of percent yield , yield of aspirin is calculated as,
0.1030/0.1264 ×100=81.48%.
Thus, the percent yield of aspirin is 81.48%.
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Please help!!!Which statement accurately describes relationship between weight and mass? If the picture is black just don’t answer
Answers
Answer:
A
Explanation:
Mass is a raw measurement, weight is effected by gravity
The formula for weight is:
W=mg
Which is weight equals mass x gravity
Derive an expression for the molar mass of a gas starting with its density?
Answers
Answer:
The relationships between molar mass and density for a monoatomic gas can be easy.
The Ideal Gas Law, PV = nRT can be arranged so that n moles equals the mass/molar mass of the gas to become,
PV =
M
mRT
where m is the mass and M is the molar mass.
M =
PV
mRT
, if you hold the temperature of the gas constant the equation reduces to the Boyle's law or
PV
m
The mass will be constant assuming the container is closed and so the gas cannot be escaped so, PV will be constant.
D =
V
m
and M =
PV
mRT
M =
P
DRT
The higher the density of the gas the higher the molar mass and vice versa.
Explanation:
What is the definition of a fossil?
A. the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock
B.the body of a dead organism such as a dinosaur
C. the bones of an animal that has died and been buried in sand
D. something that is very old or ancient that has been found or studied by scientists
Answers
Answer:
A. The remains or impression of a prehistoric organism preserved in a petrified form or as a mold or cast in a rock
Explanation:
A.the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock
The reaction HNO3(aq) + NaOH(aq) ->NaNO3(aq) + H2O(l) is an example of _____?
Answers
Answer: It is a double displacement reaction sry I dont know an example of it tho
Explanation:
What are the top 5 states which consume the most turkey
Answers
Answer:
Based on Google Trends, the search term “turkey” is most popular in the states of Tennessee, Pennsylvania, and New Hampshire, with Indiana and Vermont rounding up the top 5.
Californians consume the most turkey per capita of any state, while not being one of the top five. It's Missouri. It comes in at five. Minnesota is the state that produces the most turkeys, followed by North Carolina, Arkansas, and Virginia.
What is turkey ?Turkey, or the Republic of Turkey, is a transcontinental nation with the majority of its territory in Western Asia's Anatolia Peninsula and a tiny section in Southeast Europe's Balkan Peninsula.
The official name of Turkey is now Türkiye. The United Nations has officially accepted the adjustment requested by the Turkish government that the nation be referred to by its Turkish name.
Turkey is well-known for a variety of both oriental and European aspects, including the magnificent Hagia Sophia and traditional Turkish tea. Additionally, well-known are its carpets, hammams, bazaars, travel hotspots like Cappadocia and Istanbul, and sweets like baklava and Turkish delight.
Thus, Minnesota is the state that produces the most turkeys, followed by North Carolina, Arkansas, and Virginia.
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