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3 years ago

What are the effects of viagra?

2 answers:

7 0

An erection that will not go away (priapism).
Sudden vision loss in one or both eyes
Sudden hearing decrease or hearing loss.

mestny [16]3 years ago

5 0

Viagra is used to stifle the messengers of cGMP. So that a male can sustain an erection.

Side effects can include headaches, stuffy nose, impaired vision, sensitivity to light, indigestion, and the possibility of a (painful)long lasting erection

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What was one main point of Dalton’s atomic theory

s344n2d4d5 [400]

Answer:

Everything is composed of atoms! which are the indivisible building blocks of matter and cannot be destroyed. All atoms of an element are identical. The atoms of different elements vary in size and mass.

Explanation:

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3 years ago

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A lithium atom starts from rest at a position x = xo and falls toward zinc atom with an acceleration that depends on their separ

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Answer:

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Explanation:

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3 years ago

ILL GIVE U BRAINILIEST

Arte-miy333 [17]

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3 years ago

You are requested to reduce the size of 50 ton/hr of a given solid. The size of the feed is such 80% passes a 4-in (76.2 mm) scr

defon

Answer:

1) The power needed to process 50 ton/hr is 135.4 HP.

2) The void fraction of the bed is 0.37.

Explanation:

1) For this type of milling operations, we can estimate the power needed for an operation according to the work index (Ei), the passing size of the circuit feed (F80) and the passing size of the product (P80).

We assume the units of Ei are kWh/t.

The equation that relates this parameters and the power is (size of particles in μm):

$W=Ei*(\frac{10}{\sqrt{P80}} -\frac{10}{\sqrt{F80}} )\\\\W=9.45*(\frac{10}{\sqrt{3175\mu m}} -\frac{10}{\sqrt{76200mm}} )\\\\\\W=9.45*(0.1774+0.0362)=2.019 kWh/t$

The power needed to process 50 ton/hor is

$P=2.0194\frac{kWh}{Ton}*\frac{50Ton}{h}*\frac{1.341HP}{1kW}= 135.4 \, HP$

2) The density of the packed bed can be expressed as

$\rho=f_v*\rho_v+f_s*\rho_s$

being f the fraction and ρ the density of every fraction. We know that the density of the void is 0 (ρv=0) and that fv=1-fs (the sum of the fractions ois equal to the total space).

Then we can rearrange

$\rho=f_v*\rho_v+f_s*\rho_s\\\\\rho=f_v*0+(1-f_v)*\rho_s\\\\\rho/\rho_s=1-f_v\\\\f_v=1-\rho/\rho_s=1-990/1570=1-0.63=0.37$

The void fraction of the bed is 0.37.

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3 years ago

What is the chemical test for chlorine?

Ann [662]

Answer:

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3 years ago