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3 years ago

What is ultrafication?

1 answer:

Studentka2010 [4]3 years ago

6 0

Ultrafiltration is a process which prevents the dilution of the bloos. During this process some of water with some dissolved materials is forced through the membrane by maintaining the blood at a higher pressure than the solution.

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Pilots often use waves of about 2.340m to communicate. what is the frequency of the wave ?why?

uranmaximum [27]

All of the various light waves move with the same speed, a value

abbreviated (c) equal to 3.00 × 108 m/s. The frequency ([1]) that light waves pass a given point is

measured in waves/second or simply ‘per second’ (1/s).

the frequency of the wave f = (3.00 × 10^8 m/s)/ 2.340 m

f = 1.28x10^8 Hz

3 0

2 years ago

2 AIPO4 + 3 BaCl2 --> 2 AICIz + 1 Baz(PO4)2

givi [52]

Answer:

12.3 moles of $AlCl_{3}$ are produced by reacting 18.4 moles of $BaCl_{2}$ .

Explanation:

Balanced reaction: $2AlPO_{4}+3BaCl_{2}\rightarrow 2AlCl_{3}+Ba_{3}(PO_{4})_{2}$

According to balanced equation:

3 molecules of $BaCl_{2}$ produce 2 molecules of $AlCl_{3}$

So $3N_{A}$ molecules of $BaCl_{2}$ produce $2N_{A}$ molecules of $AlCl_{3}$ ( $N_{A}$ is avogadro number).

We know 1 mol of molecule = $N_{A}$ number of molecules.

So 3 moles of $BaCl_{2}$ produce 2 moles of $AlCl_{3}$ .

Hence 18.4 moles of $BaCl_{2}$ produce $(\frac{2}{3}\times 18.4)$ moles of $AlCl_{3}$ or 12.3 moles of $AlCl_{3}$ .

3 0

3 years ago

Question 2 (1 point)

Vikki [24]

Answer:D

Explanation:

Jus did this question & got it right

4 0

3 years ago

At equilibrium, Keq for the following reaction is equal to 3.5: SO2 + NO20 È SO3 + NO a) Is a beaker containing 2.5 M SO2, 2.0 M

liraira [26]

Keq=[SO3][SO2] /[SO2][NO2]

4 0

3 years ago

IS THIS A BALANCED EQUATION MgCl2 + Na2O -- > MgO + 2 NaCl

Dmitriy789 [7]

Yes, this is balanced. Each part of the substance (like Mg) has the same number on both sides.

Hope this helps you:)

8 0

2 years ago