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zepelin [54]
2 years ago
7

What makes up a Solar System?

Chemistry
1 answer:
goldfiish [28.3K]2 years ago
7 0

Answer: It's just the Primary planets and the dwarf planets and the sun, The orbit courses, and the gravitational pull that keeps them orbiting.

Explanation: Make me brainliest, please Help me out

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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.

6 0
3 years ago
How does increasing pressure affect the rate of reaction between gases?
Elina [12.6K]

Answer:

B, increases rate of collisions

Explanation:

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2 years ago
How does botulinum toxin block synaptic transmission?
mart [117]

It blocks ACh release so the muscle cannot contract

8 0
3 years ago
You are working in a lab when radiation alarms go off. You are only wearing a lab coat. Preliminary reports show that the radiat
Marta_Voda [28]

The lab coat is not thick enough to protect you from ionizing radiation.

<h3>What is radiation?</h3>

Radiation is a form of energy that we can not see with our optical eyes. We know that radiation could have a damaging effect on the body. The sort of radiation that could have a damaging effect on the body is what we call ionizing radiation.

We know that an ionizing radiation could only be stopped by a thick vest such as a lead coat. If you are wearing a lab coat, you are not safe because the lab cat is not thick enough to protect you from ionizing radiation.

Learn more about radiation:brainly.com/question/13934832

#SPJ1

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1 year ago
Which of the following is an example of how a scientist might use a model?
igomit [66]

I do believe the answer is:D.

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3 years ago
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