3 years ago

How do emulsifiers help oil and water to mix and not separate?

1 answer:

3 0

Answer:

To prevent the mixture from separating substances called emulsifiers can be added. These help to form and stabilise the emulsions, preventing or slowing the water and fat/oil from separating. ... The hydrophilic end of the emulsifier molecule is attracted to the water and the hydrophobic end is attracted to the fat/oil.

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Copper was the first metal to be produced from its ore because it is the easiest to smelt, that is, to refine by heating in the

Ganezh [65]

Answer:

57.48%

Explanation:

Calculate the mass of 1 mole of malachite:

MM Cu = 63.55

MM O = 16.00

MM H = 1.01

MM C = 12.01

$(Cu_{2}(OH)_{2}CO_{3})$

A mole of malachite has:

2 moles of Cu

5 moles of O

2 moles of H

1 mole of C

MW Malachite = 2*MM(CU) + 5*MM(O) + 2*MM(H) + 1 *MM(C)

MW Malachite = 2*63.55 + 5*16.00 + 2*1.01 + 1*12.01

MW Malachite = 221.13

Mass of Cu in a mole of Malachite = 2*MM(CU) = 127.1

Now divide the mass of Cu by the mass of Malachite

$%Cu = \frac{127.1}{221.13} =0.5748=57.48%$

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4 years ago

PLs help mweee Ill mark brainliest

nydimaria [60]

Answer:

I'm pretty sure that it's plate movement...

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3 years ago

2 atm of pressure would be equal to ____________ mmHg.

Ahat [919]

Answer:

1520 mmHg

Explanation:

Let's solve this by a factor conversion:

1 atm → 760 mmHg

2 atm . 760 mmHg / 1 atm = 1520 mmHg

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3 years ago

What are the characteristics of binding energy

FrozenT [24]

Binding energy, amount of energy required to separate a particle from a system of particles or to disperse all the particles of the system.

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2 years ago

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Kendrick sees a display of rock samples at a museum. The information included in the display is as follows:

Leto [7]

Answer:

Different types

Explanation:

Because it's in a different place

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3 years ago