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kolezko [41]
1 year ago
12

(a) Which region of Earth’s crust is not involved in the phosphorus cycle?

Chemistry
1 answer:
Novay_Z [31]1 year ago
3 0

Both abiotic and biotic components of the Earth's system, particularly the biosphere, hydrosphere, and geosphere,  phosphorus. Phosphorus cycle cannot be found in the gaseous state in air, in contrast to the compounds of other matter cycles.

This is due to the fact that phosphorus is typically liquid at standard pressures and temperatures. It mostly cycles through sediments, water, and soil. Phosphorus is primarily present in the environment as very minute dust particles. Phosphorous can also be delivered by water or wind in the form of phosphate (both abiotic). Living plants absorb phosphorus, and these plants can either die and be degraded by other living species or they can die and be consumed by other living organisms.

Learn more about Phosphorus here-

brainly.com/question/1675241

#SPJ4

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Hydrogen gas was collected by water displacement. what was pressure of the h2 collected if the temperature was 26°c?
Vedmedyk [2.9K]
The ideal gas law may be written as
p= \frac{\rho R T}{M}
where
p = pressure
ρ =density
T = temperature
M = molar mass
R = 8.314 J/(mol-K)

For the given problem,
ρ = 0.09 g/L = 0.09 kg/m³
T = 26°C = 26+273 K = 299 K
M = 1.008 g/mol = 1.008 x 10⁻³ kg/mol

Therefore
p= \frac{(0.09 \, kg/m^{3})*(8.314 \, J/(mol-K))*(299 \, K)}{1.008 \times 10^{-3} \, kg/mol} =2.2195 \times 10^{5} \, Pa

Note that 1 atm = 101325 Pa
Therefore
p = 2.2195 x 10⁵ Pa
   = 221.95 kPa 
   = (2.295 x 10⁵)/101325 atm
   = 2.19 atm

Answer:
2.2195 x 10⁵ Pa (or 221.95 kPa or 2.19 atm)

4 0
3 years ago
The electrolyte of the following is:
ozzi
An electrolyte is a term used to describe a compound that can dissociate into ions as it is nothing but an ionic compound, a salt made up of a positively charged cation and negatively charged anion.

Here the correct answer is D. Since there are no hydrocarbons or any other organic compound, that do not possess partial let alone full charges, all of them can dissociate in solution to give their ions.

This allows for the solution to be able to conduct electricity.
4 0
2 years ago
A chemist adds 36.0 g of sodium chloride to 200 g of water at STP and all of the sodium chloride dissolves. What is the solute i
erica [24]

Answer:

The answer is the Sodium Chloride.

Explanation:

A solute is the minor component in a solution, dissolved in the solvent, and the sodium is being dissolved in water ( or the solvent).

3 0
2 years ago
A zinc block with a mass of 230 g is given 1320 J of energy. What is the change in
Mariana [72]

Answer:

14.7°C

Explanation:

Q = m·ΔT·c

ΔT = \frac{Q}{m*c}

ΔT =\frac{1320 J}{230 g* 0.39 J/gC}

     = 1320 J / ((230 g) * (.39 J/g°C)

ΔT = 14.7 °C      

4 0
3 years ago
How do you balance: Al+Fe3O4=Al2O3+Fe ?
liraira [26]

Answer:

8Al+3Fe3O4=4Al2O3+9Fe

3 0
2 years ago
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