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PolarNik [594]
2 years ago
15

Assume that the biocapacity of Earth does not change and that human population growth continues to increase. How will people's e

cological footprints need to change in order to most effectively sustain our population?

Chemistry
2 answers:
Alexandra [31]2 years ago
5 0
A. The Average Ecological footprint will need to decrease . 6-11-18
uranmaximum [27]2 years ago
3 0

Answer:The correct answer is option A.

Explanation:

Ecological foot print: The impact of the person or the community on the environment which is expressed in the terms of land required to sustain, use of natural resources done by them.

The ecological foot prints increases with an increase in the population of the group or nation.This is because with increase in population ,demand of basic necessities will increase which will further  increase use of all kind resources.The consecutive use of resources will decrease the amount resource or will lead to exhaustion of resource.

if the population of earth increases it will increase the average ecological foot print due to which sustaining on the Earth will become difficult and inefficient.

So in order to deal with this the average ecological footprint will required to decrease.Hence correct answer is option A.

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What is the specific heat (J/g°C) of a metal object whose temperature increases by 3.0°C when 17.5 g of metal was heated with 38
Verizon [17]

Answer:

a. 0.73

Explanation:

Given data

  • Added heat (Q): 38.5 J
  • Change in the temperature (ΔT): 3.0°C
  • Mass of the metal (m): 17.5 g
  • Specific heat of the metal (c): ?

We can determine the specific heat of the metal using the following expression.

Q = c × m × ΔT

c = Q / m × ΔT

c = 38.5 J / 17.5 g × 3.0°C

c = 0.73 J/g.°C

6 0
2 years ago
Elena makes the table below to determine the number of atoms of each element in the chemical formula 3(NH4)2SO4. A table with 3
Bumek [7]

Answer:

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7 0
1 year ago
Read 2 more answers
For the reaction 3h2(g) + n2(g) 2nh3(g), kc = 9.0 at 350°c. calculate g° at 350°c.
miss Akunina [59]
When ΔG° is the change in Gibbs free energy

So according to ΔG° formula:

ΔG° =  - R*T*(㏑K)

here when K = [NH3]^2/[N2][H2]^3 = Kc 

and Kc = 9 

and when T is the temperature in Kelvin = 350 + 273 = 623 K

and R is the universal gas constant = 8.314 1/mol.K

So by substitution in ΔG° formula:

∴ ΔG° = - 8.314 1/ mol.K * 623 K *㏑(9)

           = - 4536 
4 0
2 years ago
Why are the electrons in a nitrogen-phosphorus covalent bond not shared equally? which atom do the electrons spend more time aro
a_sh-v [17]
<span>Electrons in a nitrogen-phosphorus covalent bond are not shared equally because nitrogen and phosphorus do not have the same electronegativity. The atoms spend more time around the most electronegative atom nitrogen.</span>
6 0
2 years ago
Write a chemical equation showing how this is an acid according to the arrhenius definition. express your answer as a balanced c
Alik [6]

According to Arrhenius theory, acid is a substance that releases H⁺ ions when dissolved in water.

In order to apply this theory, the substance must be soluble in water.

H₂SO₄ is highly soluble in water. It undergoes following dissociation reaction when dissolved in water.

H_{2}SO_{4}(aq)\overset{H_{2}O}{\rightarrow} 2H^{+}(aq)+ SO_{4}^{2-}(aq)

From the above equation, we can see that H₂SO₄ forms 2 H⁺ ions when dissolved in water. Therefore it behaves as an acid according to Arrhenius theory.

7 0
2 years ago
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