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djyliett [7]
3 years ago
7

Describe the ammonium ion, NH4+, and the sulfate ion, SO42-. What compounds would these ions form with potassium and fluoride io

ns? Write the formula units for the resulting compounds.
Chemistry
1 answer:
rjkz [21]3 years ago
3 0

Explanation:

Ammonium Fluoride and Potassium Sulphate

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A brine is used to measure the absolute permeability of a core plug. The rock sample is 4 cm long and 3 cm 2 in cross section. T
nydimaria [60]

Answer : The absolute permeability is, 0.111 darcys.

Explanation : Given,

Volumetric constant rate = 0.5cm^3/s

Cross section area = 3cm^2

Pressure = 2 atm

Viscosity = 1.0 cp

Length of rock = 4 cm

From the Darcy equation  we conclude that,

\text{Volumetric constant rate}=\frac{(\text{Absolute permeability}\times A\times P)}{\eta \times l}

where,

A = cross section area

P = pressure

\eta = viscosity

l = length of rock

Now put all the given values in the above formula, we get:

0.5cm^3/s=\frac{(\text{Absolute permeability}\times 3cm^2\times 2\text{ atm})}{1.0cp \times 4cm}

\text{Absolute permeability}=0.111\text{ darcys}

Therefore, the absolute permeability is, 0.111 darcys.

8 0
3 years ago
Is it posible Count a grain of sand?explain
Alla [95]

Answer:

Yes

Explanation:

As long as its a solid, you can count it. It will be hard, but possible.

5 0
3 years ago
Katerina is going to perform a reaction between Hydrochloric Acid (HCl) and solid Zinc. She needs to use 5 mols of HCl, how many
chubhunter [2.5K]

Answer:

182.3 g

Explanation:

number of mols of HCl = 5 mols

molecular weight of HCl = 36.46 g/mol

m = mass of HCl = number of mols x molecular weight

m = 5 mols * 36.46 g/mol

m = 182.3 g

8 0
3 years ago
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I’m a leo purrr and I’m pretty sure it’s number 4
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