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3 years ago

What does relative abundance mean

1 answer:

4 0

Relative species abundance is a component of biodiversity and refers to how common or rare a species is relative to other species in a defined location or community. Relative abundance is the percent composition of an organism of a particular kind relative to the total number of organisms in the area.

I don't know if your looking for this exact definition so i'm sorry if i'm wrong

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What happens if you put sugar in someone's gas tank?

julsineya [31]

The sugar reacts with the gas, turning it to a semi-solid and sticky substance; clogging the gas lines along with many other things.

4 0

3 years ago

A 47.1 g sample of a metal is heated to 99.0°C and then placed in a calorimeter containing 120.0 g of water (c = 4.18 J/g°C) at

wlad13 [49]

Answer : The metal used was iron (the specific heat capacity is $0.44J/g^oC$ ).

Explanation :

In this problem we assumed that heat given by the hot body is equal to the heat taken by the cold body.

$q_1=-q_2$

$m_1\times c_1\times (T_f-T_1)=-m_2\times c_2\times (T_f-T_2)$

where,

$C_1$ = specific heat of metal = ?

$C_1$ = specific heat of water = $4.18J/g^oC$

$m_1$ = mass of metal = 47.1 g

$m_2$ = mass of water = 120 g

$T_f$ = final temperature of water = $24.5^oC$

$T_1$ = initial temperature of metal = $99^oC$

$T_2$ = initial temperature of water = $21.4^oC$

Now put all the given values in the above formula, we get

$47.1g\times c_1\times (24.5-99)^oC=-120g\times 4.18J/g^oC\times (24.5-21.4)^oC$

$c_1=0.44J/g^oC$

Form the value of specific heat of metal, we conclude that the metal used in this was iron.

Therefore, the metal used was iron (the specific heat capacity is $0.44J/g^oC$ ).

3 0

3 years ago

MAVERICK [17]

The equilibrium constant (K) : 11.85

<h3>Further explanation</h3>

Given

Reaction

N₂(g) + 3H₂(g) ⇒ 2NH₃(g)

Required

K(equilibrium constant)

Solution

The equilibrium constant (K) is the value of the concentration product in the equilibrium

The equilibrium constant based on concentration (K) in a reaction

pA + qB -----> mC + nD

$\tt K=\dfrac{[C]^m[D]^n}{[A]^p[B]^q}$

For the reaction above :

$\tt K=\dfrac{[NH_3]^2}{[N_2][H_2]^3}\\\\K=\dfrac{0.1^2}{0.25\times 0.15^3}\\\\K=11.85$

6 0

3 years ago

Identify the weakest bond. identify the weakest bond. triple covalent bond single covalent bond double covalent bond all of the

Oliga [24]

The weakest bond is a single covalent bond.

5 0

3 years ago

What is kinetic energy

Brums [2.3K]

Answer:

Kinetic Energy is the amount of motion in an object. This comes from Potential Energy, or how much force there can be. Kinetic Energy is current motion.

6 0

3 years ago