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Zolol [24]
2 years ago
7

Criteria and constraints help determine which solutions will be applied when extracting materials from pomace in which way

Chemistry
1 answer:
DedPeter [7]2 years ago
3 0

Answer:

The use of pomace for animal feed might be chosen if minimizing production costs is desired

Explanation:

i've taken the test

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5. 16.3 g of NaCl is dissolved in water to make 1.75 L of solution. What is the molarity of this solution? A 0.159 M B 0.278 M C
ira [324]

Answer: The molarity of this solution is 0.159 M.

Explanation:

Given: Mass of solute = 16.3 g

Volume = 1.75 L

Number of moles is defined as the mass of substance divided by its molar mass.

Hence, moles of NaCl (molar mass = 58.44 g/mol) ar calculated as follows.

Moles = \frac{mass}{molar mass}\\= \frac{16.3 g}{58.44 g/mol}\\= 0.278 mol

Molarity is the number of moles of a substance present in a liter of solution.

So, molarity of the given solution is calculated as follows.

Molarity = \frac{no. of moles}{Volume (in L)}\\= \frac{0.278 mol}{1.75}\\= 0.159 M

Thus, we can conclude that the molarity of this solution is 0.159 M.

5 0
2 years ago
Two objects, both at 285 Kelvin, are placed closely together. Because they are both at a high temperature, heat will transfer be
skad [1K]
False, because heat travels from warm to cool objects, so  if both have the same temp ( ie: no temp difference) heat will not be transferred between them.
3 0
3 years ago
A hydrogen atom can be in the 1S state, whose energy we'll call 0, the 2S state, or any of 3 2P states. The 2S and 2P states hav
LekaFEV [45]

Answer:

-- 5.8×10⁻⁹ of the H is in 2P states at T=5900 K, a typical Sun surface temperature.

-- 3.3×10⁻¹² of the H is in 2P states at T=4300 K, a typical Sunspot temperature.

Explanation:

4 0
3 years ago
Read 2 more answers
Iodine and strontium are reacted together. explain why it is more difficult to predict whether this reaction is more or less rea
Juli2301 [7.4K]

<u>Answer: </u>The reaction between iodine and strontium is less reactive than the reaction of bromine and strontium.

<u>Explanation:</u>

Iodine and bromine belong to the same group which is Group 17 of the periodic table. Iodine lies in Period 5 and bromine lies in Period 4.

Reactivity of non-metals is defined as the tendency of the elements to gain electrons easily. This depends on the electronegativity values. More the electronegativity, more will be the reactivity and vice-versa.

Reactivity of non-metals decreases from moving down the group and increases across the period.

The electronegativity of iodine is less than bromine. Hence, it is less reactive than the bromine.

The reaction between strontium and bromine is more favorable because it is the reaction between two reactive elements.

Hence, the reaction between iodine and strontium is less reactive than the reaction of bromine and strontium.

8 0
3 years ago
a sample of mass 6.814grams is added to another sample weighing 0.08753 grams. the subsequent mixture is then divided into exact
Alexxx [7]

Answer:

Final\ Mass = 17.560943085g

Explanation:

Given

Sample\ Mass = 6.814g

Additional\ Mass = 0.08753g

Yield = 7.6335

Required

Determine the final mass

First we need to determine the total mass after the sample mass is added to an additional sample;

Total\ Mass = Additional\ Mass + Sample\ Mass

Total\ Mass = 0.08753g + 6.814g

Total\ Mass = 6.90153g

Next, divide the total mass by 3

New\ Mass = \frac{Total\ Mass}{3}

New\ Mass = \frac{6.90153g}{3}

New\ Mass = 2.30051g

The final mass is calculated as follows;

Final\ Mass = New\ Mass * Yield

Final\ Mass = 2.30051g * 7.6335

Final\ Mass = 17.560943085g

<em>Hence, the final mass is 17.560943085g</em>

6 0
2 years ago
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