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2 years ago

Salting is used as one of the methods of preserving fish. Justify. Select one of the options below as your answer:

1 answer:

4 0

I think the correct answer from the choices listed above is option B. Salting is used as one of the methods of preserving fish because salting of fish leads to diffusion of water out of the fish, causing removal of water, making the fish drier which does not allow bacteria to grow.

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Which substance produces hydroxide ions in a solution

Fed [463]

your answer is B. Arrhenius base

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3 years ago

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What is the outcome of synapsis, a significant event in meiosis?

joja [24]

side-by-side alignment of homologous chromosomes

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2 years ago

In May 2016, William Trubridge broke the world record in free diving (diving underwater without the use of supplemental oxygen)

Brrunno [24]

Answer:

The volume that this same amount of air will occupy in his lungs when he reaches a depth of 124 m is - 0.27 L.

Explanation:

Using Boyle's law

${P_1}\times {V_1}={P_2}\times {V_2}$

Given ,

V₁ = 3.6 L

V₂ = ?

P₁ = 1.0 atm

P₂ = 13.3 atm

Using above equation as:

${P_1}\times {V_1}={P_2}\times {V_2}$

${1.0\ atm}\times {3.6\ L}={13.3\ atm}\times {V_2}$

${V_2}=\frac{{1.0}\times {3.6}}{13.3}\ L$

${V_2}=0.27\ L$

The volume that this same amount of air will occupy in his lungs when he reaches a depth of 124 m is - 0.27 L.

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3 years ago

How much Sr(OH)2 • 8 H2O (M = 265.76) is needed to prepare 250.0 mL of solution in which [OH–] = 0.100 M?

son4ous [18]

There are a number of ways to express concentration of a solution. This includes molarity. Molarity is expressed as the number of moles of solute per volume of the solution. We do as follows:

Molarity = mol / L = 0.100 mol OH / L

0.100 mol OH / L ( .250 L ) ( 1 mol Sr(OH)2 • 8 H2O / 2 mol OH ) ( 265.76 g / 1 mol ) = 3.322 g Sr(OH)2 • 8 H2O needed

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2 years ago

Why is it important to know if a substance is a mixture or pure substance?

laila [671]

Because mixture composition can combust while put compound you have to be careful and know what you mixing

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2 years ago