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solniwko [45]
2 years ago
10

How does matter and energy cycle through an ecosystem?

Chemistry
1 answer:
Ainat [17]2 years ago
6 0
A Cellular respiration alone
Your welcome
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Ammonia (NH3) is produced in the human body as a waste product during the digestion of protein. How many moles of N2 will be nee
Bad White [126]

Answer:

43.5

Explanation:

there are 43.5 moles of N2

3 0
3 years ago
A sample of water is heated from 60.0 °C to 75.0°C by the addition of 140 j of
kupik [55]

Mass of the water : 2.23 g

<h3>Furter explanation</h3>

Heat

Q = m.c.Δt

m= mass, g

c = heat capacity, for water : 4.18 J/g° C.

ΔT = temperature

Q= 140 J

Δt = 75 - 60 = 15

mass of the water :

\tt m=\dfrac{Q}{c.\Delta T}=\dfrac{140}{4.18\times 15}=2.23~g

5 0
2 years ago
Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to the reaction BaO2(s)+H2SO4(
Vesna [10]

Answer:

VH2SO4 = 145.3 mL

Explanation:

Mw BaO2 = 169.33 g/mol

⇒ mol BaO2 = 53.5g * ( mol BaO2 / 169.33 g BaO2) = 0.545 mol BaO2

⇒according to the reaction:

mol BaO2 = mol H2SO4 = 0.545 mol

⇒ V H2SO4 = 0.545 mol H2SO4 * ( L H2SO4 / 3.75 mol H2SO4 )

⇒V H2SO4 = 0.1453 L (145.3 mL)

6 0
3 years ago
Read 2 more answers
What is the correct electron configuration for oxygen?
s344n2d4d5 [400]
It would be: 1s2, 2s2, 2p4
3 0
3 years ago
?cual es el tiempo de<br>onda con 6<br>oscilaciones.?​
Setler79 [48]

Answer:

Hey hi

Explanation:

Can you pls tell me which language is this.... Pls really sorry... I wanna help you

7 0
3 years ago
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