Loam is a soil texture that is composed of what

1 answer:

6 0

Loam is soil composed mostly of sand (particle size > 63 µm), silt (particle size > 2 µm), and a smaller amount of clay (particle size < 2 µm)

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A 519.93 gram sample of N2O is in a 7.05 L container. What is the pressure of the gas in atmospheres when the temperature is 125

Brut [27]

Answer:

17.27 atm

Explanation:

Use the ideal gas law or PV = nRT

We are solving for pressure here so lets isolate for P before we plug in values:

$P = \frac{nRT}{V}$

So first to get n or the number of moles we need to convert the grams of N2O to moles of N2O. We can do this by multiplying by the inverse of the molar mass like so:

$\frac{519.93g(N2O)}{1} \frac{mol}{44.013g(N2O)}$

Our grams of N2O would cancel and give us 11.813 mol of N2O

Now all thats left is to plug in and solve with the correct value for R which in this case for all of our units to cancel is 0.08206

$P = \frac{(11.813)(0.08206)(125.63)}{7.05}$

P = 17.27 atm

(I would double check the calculator work if it is for correctness just be sure)

4 0

3 years ago

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Copper + silver nitrate → copper(II) nitrate + silver (convert to formula)

kiruha [24]

Answer:

$Cu(s)+2AgNo^3(ag) \rightarrow Cu(No)_3^2(aq)+2Ag(s)$

Explanation:

The given reaction has been occurred when the copper being more reactive than that of the silver. Which will subsequently displace the silver cations present in it, (by reducing it to the elemental metal). Copper being itself will get oxidized to the copper (II) cation forming $Cu^{2+}$ and dissolve in the solution. So, the final product formed with the silver metal will start precipitation out and giving the copper (II) nitrate as resultant in the solution.