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Studentka2010 [4]
3 years ago
14

Urban diseases and causes of mortality are more likely to be those spread by

Biology
1 answer:
astra-53 [7]3 years ago
4 0
Urban diseases and causes or mortality are more likely to be those spread by person to person, crowding. 
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HELP ASAP I WILL GIVE BRAINLIST
adelina 88 [10]

Answer:

1) CO₂

2) 0.2551 g

Explanation:

The balanced reactions are:

CaCO₃ + 2HCl → CaCl₂ + H₂O + CO₂

MgCO₃ + 2HCl → MgCl₂ + H₂O + CO₂

1) The gas produced is CO₂.

2) Calculate mass of CaCO₃:

(0.5236 g) (0.4230) = 0.2215 g CaCO₃

Convert to moles:

(0.2215 g CaCO₃) (1 mol / 100.1 g) = 0.002213 mol CaCO₃

Find moles of CaCO₃:

(0.002213 mol CaCO₃) (1 mol CO₂ / mol CaCO₃) = 0.002213 mol CO₂

Convert to mass:

(0.002213 mol CO₂) (44.01 g / mol) = 0.09738 g CO₂

Calculate mass of MgCO₃:

(0.5236 g) (0.5770) = 0.3021 g MgCO₃

Convert to moles:

(0.3021 g MgCO₃) (1 mol / 84.31 g) = 0.003583 mol MgCO₃

Find moles of MgCO₃:

(0.003583 mol MgCO₃) (1 mol CO₂ / mol MgCO₃) = 0.003583 mol CO₂

Convert to mass:

(0.003583 mol CO₂) (44.01 g / mol) = 0.1577 g CO₂

Total mass of CO₂:

0.09738 g CO₂ + 0.1577 g CO₂ = 0.2551 g CO₂

8 0
3 years ago
Which statement regarding the energetics of the citric acid cycle is true?(A) All of the energy‑producing capacity of the cycle
Step2247 [10]

Answer:

The correct answer is C production of FAD to FADH2 by the citric acid cycle represent the energetic capacity to synthesize about 1.5 ATP.

Explanation:

Citric acid cycle is one of most important stage of cellular respiration.Citric acid cycle or TCA  cycle composed of various enzyme catalyzed biochemical reaction.

 various reduced coenzymes are produced during TCA cycle such as NADH,FADH2.FADH2 is formed from FAD during the conversion of succinate to fumarate.

  The FADH2 then enter electron transport chain to oxidize itself into FAD along with the generation of 1.5 ATP.

7 0
3 years ago
What fermentation takes place in animals
prisoha [69]
Lactic acid fermentation
3 0
3 years ago
Read 2 more answers
How does the shape of organ relate to gene expression?
lapo4ka [179]

Answer:

The alleles for MADS-box genes get expressed at different levels. They form the “L” complex and the “SP” complex. These are a group of proteins that determine the shape of the petals. The more they L complex is expressed, the high the probability that the petals of the flower will form the ‘lip’ and the high the SP complex is expressed then the high the likelihood of dominant petals.

Explanation:

Hope this helped, and consider giving Brainliest :)

5 0
2 years ago
Which of the following is true about synthesis of mRNA?
Ierofanga [76]
I think it is 
<span>D. It takes place along an unraveled section of DNA</span>
3 0
3 years ago
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