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kkurt [141]
3 years ago
10

11. Bacteria and dead cells are removed from circulatory

Chemistry
1 answer:
adoni [48]3 years ago
7 0
Lymph nodes.
The lymphatic system plays as the body’s first line of defense against disease
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the equilibrium concentrations were found to be [H2O]=0.250 M , [H2]=0.600 M , and [O2]=0.800 M . What is the equilibrium consta
antoniya [11.8K]

Answer:

Keq = 0.217

Explanation:

Let's determine the equilibrium reaction.

In gaseous state, water vapor can be decomposed to hydrogen and oxygen and this is a reversible reaction.

2H₂(g)  + O₂(g)  ⇄  2H₂O (g)         Keq

Let's make the expression for the equilibrium constant

Products / Reactants

We elevate the concentrations, to the stoichiometry coefficients.

Keq = [H₂O]² / [O₂] . [H₂]²

Keq = 0.250² / 0.8 . 0.6² =  0.217

3 0
3 years ago
How are the noble gases stable and do they exist separatly with no other element
Marrrta [24]
Yes they are stable because they follow octet rule but am not sure if they are exist separetly
7 0
4 years ago
A population of rabbits is separated by a mountain range. Which of the following is most likely to occur?
galina1969 [7]

Answer:

c

Explanation:

we cannot say that either will die out, because we dont know the conditions. but we know that both sides out the mountian arent exactly the same, so we know they will evolve to adapt and grow with what they have

3 0
3 years ago
Read 2 more answers
If the mole fraction of nitric acid (HNO3) in an aqueous solution is 0.275, what is the percent by mass of HNO3?
jeka94
Molar mass of    N    = 14 g/molMolar mass of   O2    = 32 g/molAdding both masses = 46 g/molActual molar mass/ Empirical molar mass = 138.02 / 46 = 3Now multiplying this co effecient with empirical fomula NO2 = 3(NO2)                                                                                             = N3O6So according to above explanation,D) N3O6, is the correct answer.

8 0
3 years ago
What happens to the total mass of a carbon and oxygen after they form carbon dioxide
OLEGan [10]

C + O2 = CO2

nothing will happen since if you look at the equation the reactant and product are equal and no new product is formed

5 0
4 years ago
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