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maw [93]
3 years ago
7

Food scientists apply principles of titrations to food testing and develop foods that meet certain food-safety standards. For ex

ample, the acidity of milk increases with time, making it sour. Which statements make sense? Check all that apply.
The pH of sour milk is less than 7.

To determine the concentration of the lactic acid in sour milk, you could titrate with a base.

The more sour the milk is, the more base that will be needed to neutralize it.


ALL OF THEM ARE CORRECT edge 2021
Chemistry
2 answers:
inessss [21]3 years ago
4 0

Answer:

Thanks :P

Explanation:

Arada [10]3 years ago
3 0

Answer:

what a true g

Explanation:

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The factors that affect reaction rates are:

  1. surface area of a solid reactant.
  2. concentration or pressure of a reactant.
  3. temperature.
  4. nature of the reactants.
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Hope this helps! Stay safe :))))

7 0
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You are walking on a beach and see a split. Explain how a split could have formed from a rocky headland.
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Hello, Lindaparker, a spit  could form from a rocky headland where prevailing winds would blow at an angle to the rocky headland, gradually depositing sand and shingle at that place. A spit is a permanent land form resulting from marine deposition and wind deposition. It is usually a long and narrow accumulation of sand or shingle with one joined to the land and the other end projecting at   a narrow angle out into the sea. Salt marshes sometimes form on the sheltered side of a spit.

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Why do we see different phases of the moon.
nadya68 [22]

Answer:

The Moon itself does not generate light; it is lit up by the Sun. As the Moon orbits the Earth, the portion of illuminated Moon that we see changes – giving rise to the phases of the Moon. ... Sometimes the Earth, Moon and Sun are aligned such that the Earth is directly between the Sun and the Moon.

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5 0
2 years ago
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An unknown organic compound composed of carbon, hydrogen, and oxygen was analyzed and found to be 50.84% C, 8.53% H, and the res
MariettaO [177]

In every 100g of that compund there is 50.84 g of C, 8.53 g H and (100-59.37) g = 40.63 g of O.

Step 1: Convert each element's mass in moles. To do that we need to divide each element's mass by their respective molar mass.

For Carbon.

C =  \frac{50.84}{12} = 4.24 mol

For Hydrogen.

H =  \frac{8.53}{1} = 8.53 mol

For Oxygen.

O =  \frac{40.63}{16} = 2.54 mol

Step 2: Divide each of the numbers by the smallest number.

For Carbon.

C =  \frac{4.24}{2.54} = 1.7

For Hydrogen.

H =  \frac{8.53}{2.54} = 3.36

For Oxygen.

O =  \frac{2.54}{2.54} = 1

Step 3: So the empirical formula will be.

C_{1.7} H_{3.36} O_1

But using decimal will be messy. So we multiply the numbers by 3. The right empirical formula will be.

C_{5} H_{10} O_3

7 0
3 years ago
After he finished his work, Mendeleev predicted _____.
Alex17521 [72]

Answer:

the properties of three undiscovered elements  is the correct answer.

Explanation:

After he completed his work Mendeleev predicted the properties of the undiscovered elements.

In the year 1871, Dmitri Mendeleev predicted the detailed existence and the properties of the three elements that are undiscovered and he gained tremendous fame.

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