Which of the following societies would have the lowest environmental impact?
A populous, highly industrialized society with high levels of consumption.
A less populated, highly industrialized society with moderate consumption levels.
A small population that farms using hand tools, has no modern technology, and grows their own food.
A large population with moderate industrialization and consumption levels.
Answers
The society with the least negative effects on the environment is probably the one with a small population, traditional farming methods, no access to contemporary technology, and self-sufficient food production.
This is due to the fact that their way of living is less dependent on modern infrastructure and technology, both of which have a negative impact on the environment. Additionally, their agricultural methods are probably more environmentally friendly and sustainable.
The environmental effects of the other societies on the list would all be greater. Because of the use of fossil fuels and the production of products that require a lot of resources, a big, industrialized society with high levels of consumption would have a significant carbon footprint.
It would still take a lot of resources to maintain its infrastructure and create products in a less populous, highly industrialized society with moderate consumption levels, which would have a negative effect on the environment.
Given that the size of the population alone would necessitate significant resource consumption and infrastructure development, a big population with moderate industrialization and consumption levels would also have a big effect on the environment.
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Related Questions
Provide iupac name of this compound
Answers
Answer:
7-hydroxy-pent-3-en-2-one.
Explanation:
Hello,
In this case, for the given compound, we must notice some special sections:
- A carbonyl group at the right side.
- A hydroxyl at the left side.
- A double bond at the middle.
In such a way, since carbonyl group has the priority, we should consider the molecule as a seven-carbon main chain that has a double bond at the fourth carbon and a hydroxyl at the seventh carbon. Thereby, the beginning of the chain is at the left-sided carbon for which the IUPAC name must be:
7-hydroxy-pent-3-en-2-one.
Best regards.
periodic table/what do the elements in group 2 have in common pls help
a/they are all found in nature
b/they are all highly reactive nonmetals
c/they tend to form ions with a +2 electric charge
d/they tend to form ions with a -2 electric charge
Answers
Answer:
Hello. The answer is C
Explanation:
Elements in group number 2 are:
Be _ Mg _Ca_Sr_Ba_Ra
All these elements elecrical final shell has 2 electrons so
It is easier for them to lose 2 electrons to get stable.
Answer:
C
Explanation:
Its right?
QUESTION 3 The 1H signal NMR corresponding to the hydrogen atoms on position d are more downfield than the 1H NMR signal that corresponds to the hydrogen atoms on position c. (1 pt) True False
Answers
Answer:
True
Explanation:
1H NMR represents Proton Nuclear Magnetic resonance. It is the application of magnetic resonance with 1 hydrogen atom. The hydrogen molecule is reacted with the corresponding atom nuclei to generate signals and then hydrogen atoms move downfield.
list the following aqueous solutions in order of their respective freezing points (from lowest to highest): 0.050m cacl2, 0.15m nacl, 0.10m c12h22o11
Answers
The order of freezing points from lowest to highest is: 0.10M \(C12H22O11\), 0.050M \(CaCl2\), 0.15M \(NaCl\).
The freezing point of a solution is lowered when the concentration of the solute is increased. This is because the increased solute concentration causes the molecules to become more densely packed and prevents them from forming a lattice structure, thus increasing the temperature at which freezing occurs. \(C12H22O11\) is a sugar molecule and has the lowest freezing point of the three solutions. This is because sugar molecules are very small and can easily become densely packed, so the freezing point is lowered more than the other solutions. \(CaCl2\) is the next lowest freezing point because it's a salt molecule with a higher molecular weight than the sugar, so it is more densely packed, but not as densely packed as the \(NaCl\) solution. \(NaCl\) has the highest freezing point because it is a salt molecule with the highest molecular weight, so it is the most densely packed and requires the highest temperature for freezing to occur.
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exactly 149.6J will raise the temperature of 10.0g of a metal from 25.0C. what is the specific heat capacity of the metal
Answers
Exactly 149.6J will raise the temperature of 10.0g of a metal from 25.0C. The specific heat capacity of the metal is 5.984 J/g°C.
What is specific heat capacity?The heat capacity of a sample of a substance divided by the mass of the sample yields the specific heat capacity (symbol c), also known as massic heat capacity. Informally, it is the quantity of heat that must be added to one unit of a substance's mass in order to raise its temperature by one unit. The specific heat capacity unit in the SI is the joule per kelvin per kilogram, or Jkg⁻¹K⁻¹. For instance, the specific heat capacity of water is 4184 J kg⁻¹K⁻¹, or the amount of energy needed to raise 1 kilogram of water by 1 K.
The specific heat capacity of the metal can be calculated using the equation Q = m × c ×ΔT.
Q = 149.6J
m = 10.0g
ΔT = (final Temperature - initial Temperature) = (25°C - 0°C) = 25°C
Plugging these values into the equation, we get:
149.6J = 10.0g × c ×25°C
Solving for c, we get:
c = \(\frac{149.6J}{(10.0g *25C)}\)
c = 5.984 J/g°C
Therefore, the specific heat capacity of the metal is 5.984 J/g°C.
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how much energy is released by the sun?
Answers
Answer
The sun releases approximately 384.6 septillion watts (3.846×1026 W) of energy, this is almost equal to 9.192×10^10 megatons per second.
For the element oxygen, which of the following orbitals will be involved in bonding?
A. 1s
B. 2s
3. 2p
4. 3p
Answers
Answer:
Explanation:
C. 2p
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Answers
Lewis representation above depicts between halogen and group 14 .In the representation each Y atom needs 4 electrons to complete octet and gains these electrons by forming covalent bonds with X, there are 12 unshared pairs of electrons and 4 bonding electron pairs , the bonds in product are covalent.
What is a covalent bond?Covalent bond is defined as a type of bond which is formed by the mutual sharing of electrons to form electron pairs between the two atoms.These electron pairs are called as bonding pairs or shared pair of electrons.
Due to the sharing of valence electrons , the atoms are able to achieve a stable electronic configuration . Covalent bonding involves many types of interactions like σ bonding,π bonding ,metal-to-metal bonding ,etc.
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Astatine belongs to which element group: nonmetal, halogen, noble gas?
Answers
Answer:
halogen
Explanation:
It belongs to Group 17 on the periodic table, which is a halogen
Astatine is a periodic element that is represented as At and has the atomic number of 85. This element belongs to the halogen group of the periodic table. Thus, option b is correct.
What are halogens?Halogens are the group or the families of the periodic table that are characterized by the six elements that are non-metallic in nature. The other halogens are iodine, chlorine, bromine, fluorine, and tennessine.
The astatine element of the halogen group (group 17) is the rarest naturally occurring and have an electronic configuration of [Xe] 4f¹⁴5d¹⁰6s²6p⁵, with atomic number 85.
The isotopes of astatine are not stable and are used to treat a disease like a thyroid in radiotherapy. Also, it is used to treat cancerous cells.
Therefore, option b. the astatine element is a halogen.
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Use the Lewis model to determine the formula for the compound that forms from each pair of atoms.
K and I
Express your answer as a chemical formula.
Answers
Answer:
KI
Explanation:
K is 1+ & I is 1- so we need 1 of each to balance out the compound.
please i need help im really confused
Avoiding bias, increases reliability and is important to experimental data. A scientist is investigating the cause of an unusual color in the lake water of a specific location. Four residents of the location responded to questions asked by the scientist. The chart below shows their responses. Questions Resident 1's answer Resident 2's answer Resident 3's answer Resident 4's answer Do you work at the coal mine near the lake? Yes No No Yes Do you use the lake water for daily chores? Yes Yes No Yes Is your family income affected by the presence of the coal mine near the lake? No Yes No Yes Which resident's information is the least biased and the scientist most likely to get valid results?
Resident 1 Resident 2 Resident 3 Resident 4
Answers
Answer:
Explanation:
Probably three.
That resident is not employed by the coal mineHis/her income is not affected by the presence of the mine.Finally, three doesn't use the water -- likely because of its color. That isn't bias. It's common sense. The water is contaminated with something. It is better to be safe than sorry. I've seen lakes with green algae in it. One of the causes is human waste being pumped into it.Nitrogen monoxide is produced by combustion in an automobile engine. For the following reaction, 6.42 grams of nitrogen monoxide are mixed with excess oxygen gas . The reaction yields 8.53 grams of nitrogen dioxide . nitrogen monoxide ( g ) oxygen ( g ) nitrogen dioxide ( g ) What is the theoretical yield of nitrogen dioxide
Answers
Explanation:
\(6.42 \times \frac{1}{30} \times \frac{1}{1} \times \frac{46}{1} = 9.844\)
\(8.53 \div 9.844 \times 100 = 86.65\%\)
If Earth is in between the sun and the Moon in both Image 1 and Image 2, why do you think a lunar eclipse is only happening in Image 2?
Answers
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Paulo is experimenting with H2O in its different states. He would like to present all the information he collected in one place. He thinks he should use a phase change diagram, but he isn't sure. What information could you give Paulo to encourage him to use a phase change diagram?
Answers
Paulo needs to use a phase diagram to show how much stable each of the various phases of water is.
What is the phase diagram?The phase diagram could be used to obtain the changes in a substance at different phases of matter. We know that water could exist as solid, liquid or gas. The state in which the water is a function of the pressure and the temperature of the system.
The phase diagram could be used to see the various conditions of temperature and pressure where we can trace to the liquid, solid and gaseous phases of the substance that is under study. On this phase diagram, we can also locate the triple point of water.
Given that the pressure and the temperature changes of water could be shown on a phase diagram, it then follows that Paulo needs to use a phase diagram to show the various phases of water.
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Please help me asap
(Do not balance the equation)
Answers
Explanation:
decrease T = eq shifts left, because youre taking energy from the system and this is an endothermic reaction, it needs energy to make products = co2 concentration decreases
add CO = eq shifts right, because you're adding reactants in the equilibrium = i2o5 concentration decreases
increase i2o5 = same = can't affect T
decrease co2 = eq shifts right, because by
decreasing co2 you'll have less of this product than you normally have in the equilibrium, then eq will shift toward making more product = both reactants, CO and I2O5 decrease their concentration because they're being used to shift equilibrium right
which is the graph of the function g(x) = f(-x)
Answers
To graph the function g(x) = f(-x), you can start with the graph of f(x) and then reflect it about the y-axis.
What is a graph of the function g(x) = f(-x)?To find the graph of the function g(x) = f(-x), we can start with the graph of the function f(x) and then reflect it about the y-axis.
If the graph of f(x) is symmetric with respect to the y-axis, meaning it is unchanged when reflected, then g(x) = f(-x) will have the same graph as f(x).
However, if the graph of f(x) is not symmetric with respect to the y-axis, then g(x) = f(-x) will be a reflection of f(x) about the y-axis.
In either case, the resulting graph of g(x) = f(-x) will be symmetric with respect to the y-axis.
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calculate the equivalent weight of acid on the basis of given reaction. NaoH + H2So4 gives NaHSo4 + H20.
Answers
Answer:
98
Explanation:
Based on the reaction:
NaOH + H2SO4 → NaHSO4 + H2O
Where 1 mole of the base (NaOH) reacts per mole of the acid (H2SO4)
The formula of equivalent weight is:
Equivalent weight = Molecular mass / Number of equivalent moles
Where Molecular mass of sulfuric acid is 98g/mol
And number of equivalent moles = 1 -Because 1 mole of acid reacts per mole of base
Equivalent weight is:
98 / 1 =
98
What is the pH of an aqueous solution of 0,06 M calcium hypochlorite Ca(CIO)2
Answers
Calcium hypochlorite in aqueous solutions produces an alkaline solution, therefore, the pH of an aqueous solution of 0.06 M calcium hypochlorite is 13.08.
What is the nature of an aqueous solution of calcium hypochlorite?An aqueous solution of calcium hypochlorite is alkaline in nature.
Calcium hypochlorite acts as a strong base since it readily accepts H+.
In aqueous solution, the hypochlorite anion accepts a proton from water liberating a hydroxide ion.
The net ionization equation is give below:
2 ClO– + 2 H2O → 2 HClO + 2OH–2 moles of hydroxide ions are produced by 1 mole calcium hypochlorite.
0.06 M calcium hypochlorite will produce 0.06 × 2 OH- ions.
[OH-] = 0.12 M
pOH = - log (0.12)
pOH = 0.92
The relationship between pH and pOH is as follows:
pH = 14 - pOHThus;
pH = 14 - 0.92
pH = 13.08
Therefore, the pH of an aqueous solution of 0.06 M calcium hypochlorite is 13.08.
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Which is an example of antiracist behavior?
A. Tyler smiles at a joke made in his driver education class about Asian drivers.
B.Tyler makes a joke about the high number of African Americans dropping out of school.
C.Tyler suggests that an ethnic studies course be taught at his school
D. All of the above
Answers
Answer:
C.
Explanation:
In C.) Tyler is not suggesting that one race is better than another he is only suggesting his own non biased opinion on what courses should be taught at his school.
Answer:
Explanation:
C
An ionic compound dissolves easily in water because
a.) the ionic lattice collapses.
b.) the ions changed their composition.
c.) the ions are separated by the water molecules in the solution.
d.) the ionic lattice becomes disordered. I
Answers
Answer:
I say.... C.
Explanation:
Ionic compounds dissolve in water if the energy given off when the ions interact with water molecules compensates for the energy needed to break the ionic bonds in the solid and the energy required to separate the water molecules so that the ions can be inserted into solution.
Hope it helps!~ (Sorry if you get it wrong or I got it wrong-)
~The Confuzzeled homan
PC15 (8) + H₂O(1) → POCl3 (1) + 2HCl(aq)When 64.23 g of phosphorus pentachloride reacts with ewhat mass of hydrogen chloride will be produced?If needed, enter scientific notation with the "e". For examwould be entered as 1.44e7.Answer:g HCI.
Answers
Answer:
22.52g of hydrogen chloride will be produced.
Explanation:
1st) From the balanced reaction we know that 1 mole of PCl5 reacts with 1 mole of water to produce 1 mole of POCl3 and two moles of hydrogen chloride. Using the molar mass of PCl5 (208.24g/mol) and HCl (36.5g/mol) we can convert the moles to grams:
- 1 mole of PCl5 weighs 208.24g.
- 2 moles of HCl weigh 73g
2nd) With the grams of PCl5 and HCl from the stoichiometry, and the given value of 64.23g of PCl5, we can calculate the mass of HCl that will be produced:
\(\begin{gathered} 208.24gPCl_5-73gHCl \\ 64.23gPCl_5-x=\frac{64.23gPCl_5*73gHCl}{208.24gPCl_5} \\ x=22.52gHCl \end{gathered}\)Finally, 22.52g of hydrogen chloride will be produced.
Belief that the color red is a hopeful color or that it is associated with death are examples of:
Group of answer choices
various saturations.
cultural contexts.
a color model.
various palettes
Answers
Belief that the color red is a hopeful color or that it is associated with death are examples of cultural contexts. That is option B.
What is cultural contexts?Cultural contexts can be defined as the belief, ideas and norms that are shared by a group of people which is usually passed from generation to generation.
There are usually four aspects of cultural context are setting, lifestyle, purpose, and falling action.
The belief that colour red is associated with death is related to culture because red is associated with the colour of blood.
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if you were asked to create a picnic lunch that includes 2 mixtures and 1 solution what would you serve and why?
Answers
Answer:
I would serve nothing
Explanation:
thank you bye\
Answer:
Explanation:
I would not serve it because what if Their is some dangerous chemical
How is severe weather different from regular weather?
Answers
Answer:
Normal weather is like rn with no hurricanes or anything dangerous
Severe weather, is a weather that is that can cause a lot of harm.
Phosphorus has greater ionization energy than sodium true or false?
Answers
It's true trust me gang^^^^
A 0.43g samle of KHP required 24.11cm of NaOH for neutralization. Calculate the molarity of NaOH
Answers
Answer:
0.083 M
Explanation:
We'll begin by calculating the number of mole in 0.43 g of KHP (potassium hydrogen phthalate, C₈H₅O₄K). This is can be obtained as follow:
Mass of C₈H₅O₄K = 0.43 g
Molar mass of C₈H₅O₄K = (8×12) + (5×1) + (16× 4) + 39
= 96 + 5 + 64 + 39 = 204 g/mol
Mole of C₈H₅O₄K =?
Mole = mass / molar mass
Mole of C₈H₅O₄K = 0.43 / 204
Mole of C₈H₅O₄K = 0.002 mole
Next, we shall determine the number of mole of NaOH required to react with 0.43 g (i.e 0.002 mole) of KHP. This can be obtained as follow:
C₈H₅O₄K + NaOH → C₈H₄O₄KNa + H₂O
From the balanced equation above,
1 mole of KHP reacted with 1 mole of NaOH.
Therefore, 0.002 mole of KHP will also react with 0.002 mole of NaOH.
Next, we shall convert 24.11 cm³ to L. This can be obtained as follow:
1000 cm³ = 1 L
Therefore,
24.11 cm³ = 24.11 cm³ × 1 L / 1000 cm³
24.11 cm³ = 0.02411 L
Finally, we shall determine the molarity of NaOH. This can be obtained as follow:
Mole of NaOH = 0.00 2 mole
Volume = 0.02411 L
Molarity of NaOH =?
Molarity = mole /Volume
Molarity of NaOH = 0.002 / 0.02411
Molarity of NaOH = 0.083 M
A sample of flammable liquid is placed into an enclosed cylinder which is then fitted with a movable piston. Initially the cylinder maintains a volume of 1.7 L. The sample is ignited producing gas and releasing 439.6 J of energy. To what volume will the cylinder expand to if it must expand against a pressure of 738.52 mmHg. Assume all the energy released is converted to work used to push the piston? Answer to 1 decimal space.
Answers
Cylinder will expand to 6.08 Lit by assuming that all the energy released is converted to work used to push the piston.
Concept of work :If we apply force on an object and if the object moves and changes it's position, then product of the force and the displacement of an object in the direction of applied force is called work.
Given,
Pressure= P= 738.52 mm Hg = 0.97 atm. (∵ 760 mm Hg = 1 atm)
Initial volume =V1= 1.7 L
Work done = W = 439.6 J
As we need our answer in litters ..
let's convert the work done into suitable units
∴work done = W = 4.26 L-atm (∵ 1 J = 101.3 L-atm)
As given all the energy is assumed to converted into work so we need not to worry About heat loss or entropy.
work done = pressure * difference in volume
W = PΔV
ΔV = 4.26÷ 0.97
∴ΔV = 4.38 LIt
There for, the volume expanded = 4.38 Lit
So, total volume = 4.38+ 1.7 = 6.08 Lit.
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uestion 8 Calculate the percentage by mass of hydrogen in PtCl2(NH3)2 A. 1.558 B. 1.008 c.0.672 D. 0.034 E.2.016
Answers
The percentage by mass of hydrogen can be calculated from the problem as 2.016
How do you calculate the mass percent of an atom in a compound?To calculate the mass percent of an atom in a compound, you first need to determine the molar mass of the compound and the molar mass of the atom of interest.
Determine the molar mass of the compound by adding up the atomic masses of all the atoms in the compound.
Determine the number of moles of the atom of interest in one mole of the compound. This is done by dividing the atomic mass of the atom by the molar mass of the compound.
We know that the relative molecular mas of the compound is; 300 g/mol
Then;
Percent by mass of hydrogen is; 6/300 * 100/1
= 2.016%
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Name the element in the fifth period of the periodic table with 6 valence electrons
Answers
Answer: Te Tellurium
Explanation:
All the elements under VlA (Group 16) contain 6 valence electrons, but it specifically asks for period 5 which is a row going left to right on the periodic table.
What is the volume of 1g of ice in cm3?
Answers
Answer:
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
What is the volume of 1g of ice in cm3?
Explanation: