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pogonyaev
3 years ago
12

So like i honestly forgot abt this so if you could explain.. :)

Chemistry
2 answers:
mihalych1998 [28]3 years ago
6 0

Answer:

Radiation: 5, 2

Conduction: 6, 7

Convection: 3, 1, 4, 8

P.S. It's been a while since we have touched that topic in school but I did a little of research on my laptop and I think I got them figured out

Hope this helps :)

natulia [17]3 years ago
5 0

Answer:

Explanation:

So remember that radiation means electromagnetic waves going from one object to another. So an example would be holding a pot over a stove or a fire. It heats up the object. Conduction is heat touching something. So an example of that could be you touching a really hot oven or pot handle. And convection is when warmer air or liquid rises. So an example would be water boiling inside the pot. Hope this helps and if it does would you mind giving brainliest please. Luv you girly

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The melting point of Gold is 1064.43 degrees celsius and the boiling point is 2807 degrees celsius.

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What is the measure of force per unit area.
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Pressure is a measure of force per unit area.

Pressure is defined as the force exerted on a body across a unit area. The unit of pressure is N/m² or Pascal.

                Pressure = \frac{Force}{Area}

The more the force acting on a body the more the pressure felt. A small surface area and a large force increases pressure on a body.

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Water is flowing in a pipe with a mass flow rate of 100.0 lb/h (M water H,O=18.016). What is the (i) Molar flow rate of H20 (gmo
Arada [10]

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ii)11,2 g O/s

iii)1,4 g H/s

Explanation:

i) To find the molar flow rate of water, we just convert the mass of water to moles of water using its molecular weight(g/mol) and changing to the proper units (lb to grames and hours to seconds):

100 \frac{lb}{h}*\frac{453,5g}{1 lb}*\frac{1molH20}{18,016g}*\frac{1h}{3600s}=0,7\frac{molH20}{s}

ii) Now we just consider the oxygen in the water stream (for 1 mole of water there is 1 mole of oxygen):

100\frac{lb}{h} *\frac{453,5g}{1lb}*\frac{1 molH20}{18,016g}*\frac{1molO}{1molH20}*\frac{16gr}{1molO}*\frac{1h}{3600s}=11,2\frac{gO}{s}

iii)Just considering the hydrogen in the stream (for 1 mole of water there is 2 moles of hydrogen):

100\frac{lb}{h} *\frac{453,5g}{1lb}*\frac{1 molH20}{18,016g}*\frac{2molH}{1molH20}*\frac{1gr}{1molH}*\frac{1h}{3600s}=1,4\frac{gH}{s}

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