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Tpy6a [65]
3 years ago
5

2. List and elaborate on at least two limitations of the 24-hour recall as a

Chemistry
1 answer:
Pavlova-9 [17]3 years ago
5 0

Answer:

The correct answer is - may not be typical, and participant burden.

Explanation:

The 24-hour recall is nothing but a retrospective method of diet assessment. In this method, an individual is interviewed about his or her diet consumption during the last 24 hours.

The disadvantages or limitations of this method include the inability of a single day's intake to describe the typical diet, multiple recalls to intake, cost and administration time; participant burden, have to recall to reliably estimate usual intake.

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Which elements has the larger atomic radius, Si or Sr
Juliette [100K]

Explanation:

Referring only to a periodic table and not to Figure 8.19 "Atomic Radii Trends on the Periodic Table", which atom is larger in each pair? Si is to the left of S on the periodic table, so it is larger because as you go across the row, the atoms get smaller.

plz mark as brainlest plz

4 0
2 years ago
NADH and FADH2 are both electron carriers that donate their electrons to the electron transport chain. The electrons ultimately
Sladkaya [172]
<h3><u>Answer;</u></h3>

B. Fewer protons are pumped across the inner mitochondrial membrane when FADH2 is the electron donor than when NADH is the electron donor.

<h3><u>Explanation</u>;</h3>
  • NADH and FADH2 are two important electron carriers in the cellular respiration process.
  • NADH is a high-energy electron carrier that is reduced during glycolysis, pyruvate processing, and the citric acid cycle, and which carries electrons to the electron transport system.
  • The electron transport chain passes electrons from NADH and FADH2 to protein complexes and mobile electron carriers.
3 0
3 years ago
Darryl finds a bottle of what looks like clear water, with dirt settled at the bottom. When he shakes the bottle, the water gets
Mazyrski [523]

Answer: The correct answer is Heterogeneous mixture

Explanation:

Heterogeneous mixture are those mixture in which:

  • Substance is distributed in non uniform manner.
  • Two distinct layers are formed

Thus when water and dirt are mixed together it results in the formation of  a heterogeneous mixture and after sometimes two different layers will be observed.

Hence, in the bottle there is a heterogeneous mixture of water and dirt.


3 0
3 years ago
What is the free energy change if the ratio of the concentrations of the products to the concentrations of the reactants is 22.3
snow_lady [41]

The free energy change(Gibbs free energy-ΔG)=-8.698 kJ/mol

<h3>Further explanation</h3>

Given

Ratio of the concentrations of the products to the concentrations of the reactants is 22.3

Temperature = 37 C = 310 K

ΔG°=-16.7 kJ/mol

Required

the free energy change

Solution

Ratio of the concentration : equilbrium constant = K = 22.3

We can use Gibbs free energy :

ΔG = ΔG°+ RT ln K

R=8.314 .10⁻³ kJ/mol K

\tt \Delta G=-16.7~kJ/mol+8.314.10^{-3}\times 310\times ln~22.3\\\\\Delta G=-8.698~kJ/mol

8 0
3 years ago
You are given 230 grams of a substance with a half-life of 0.75 years. How much will remain after 3 years?
Degger [83]
After 3 years, the substance will go through 4 half lives. You can do 230*(1/2)^4, which is 14.375.
6 0
3 years ago
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