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Fiesta28 [93]
3 years ago
11

How do i do quantitative observation on a hailstone

Chemistry
1 answer:
forsale [732]3 years ago
3 0
I think quantitative observations involve numerical descriptions relating to an object while qualitative observations involve non-numerical descriptions of an object.

In this case the object is a hailstone so quantitative observations would be things such as its volume, mass, weight, temperature, and so on.  Qualitative observations would be things like its color, texture, general shape, and so on.

I hope this helps.  Let me know if anything is unclear. 
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What would happen if there were no neutrons in an atom?
AnnyKZ [126]
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How do you find solubility? I am given only the temperature and the substance is KNO3. I don’t need anyone to solve it for me, j
skad [1K]
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5 0
3 years ago
At stp,a certain mass of gas occupies a volume of 790cm3. find the temperature at which the gas occupies 1000cm3 amd has a press
Luden [163]

The temperature : 332.75 K

<h3>Further explanation</h3>

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). At STP, Vm is 22.4 liters / mol.

volume of gas = 790 cm³ = 0.79 L

mol of gas at STP :

\tt \dfrac{0.79}{22.4}=0.035

Use ideal gas :

\tt PV=nRT

P=726 mmHg=0.955 atm

V= 1000 cm³ = 1 L

\tt T=\dfrac{PV}{nR}\\\\T=\dfrac{0.955\times 1}{0.035\times 0.082}\\\\T=332.75~K

3 0
2 years ago
Write the equilibrium-constant kp expression for the reaction a(g) + 2b(l) = 4c(g) + d(g)
stepan [7]
Balanced reaction: A(g) + 2B(g) ⇄ 4C(g) + D(g).
Kp = [C]⁴·[D] / [A]·[B]².
<span>[A] - equilibrium concentration of reactant A.
</span>[B] - equilibrium concentration of reactant B
[C] - equilibrium concentration of product C.
[D] - equilibrium concentration of product D.
The substances on the right side of the reaction are written at the top of the Kp<span> expression and those on the left at the bottom.</span>
8 0
3 years ago
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