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emmasim [6.3K]
3 years ago
9

a chef is using honey in a recipe. The honey is too thick to pour out of the jar. How could the chef make the honey easier to po

ur?
Chemistry
2 answers:
OLEGan [10]3 years ago
6 0

Explanation:

Viscosity is defined as the property of a substance in which its motion is resisted.

Viscosity of honey is high, that is, honey does not flow easily. So, in order to make honey flow easily we have to warm its jar. By doing so, molecules of honey will gain kinetic energy and they will start to collide with each other.

Due to this molecules will move far away from each other leading to the movement of honey from its initial position.

Thus, we can conclude that the chef make the honey easier to pour by heating it.

Andrej [43]3 years ago
5 0
Heat the jar of honey up enough to where you can pour it
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A sodium hydroxide solution is made by mixing 8.70 g NaOH with 100 g of water. The resulting solution has a density of 1.087 g/m
Ahat [919]

Answer:

Mass fraction = 0.08004

Mole fraction = 0.0377

Explanation:

Given, Mass of NaOH = 8.70 g

Mass of solution = 8.70 + 100 g = 108.70 g

Mass\ fraction\ of\ NaOH=\frac {8.70}{108.70} = 0.08004

Molar mass of NaOH = 39.997 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

Moles= \frac{8.70\ g}{39.997\ g/mol}

Moles\ of\ NaOH= 0.2175\ mol

Given, Mass of water = 100 g

Molar mass of water = 18.0153 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

Moles= \frac{100\ g}{18.0153\ g/mol}

Moles\ of\ water= 5.5508\ mol

So, according to definition of mole fraction:

Mole\ fraction\ of\ NaOH=\frac {n_{NaOH}}{n_{NaOH}+n_{water}}

Mole\ fraction\ of\ NaOH=\frac {0.2175}{0.2175+5.5508}=0.0377

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3 years ago
Calculate the mass of 29.8 mL of aluminum, which has a density of 2.00 g/mL.
MaRussiya [10]

Answer:

The answer is

<h2>59.6 g </h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

Density of aluminum = 2.00 g/mL

volume = 29.8 mL

The mass is

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We have the final answer as

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3 years ago
If the theoretical yield of RX is 56.0 g , what is it’s percent yield ?b
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