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Natalka [10]
2 years ago
8

Potential energy of an object will be maximum at

Chemistry
1 answer:
Natali5045456 [20]2 years ago
4 0

Answer:

stored energy

Explanation:

stored energy that depends upon the relative position of various parts of a system

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When hot lava reaches seawater, the salts in the water react with steam to form gaseous hydrochloric acid. You are given an unba
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<span>NaCl + H2O = HCl + NaOH

1) write the equation and balance the equation
2) convert the volume of the gas to moles of the gas PV=nRT
3) according to the stoichiometry of the reaction one mol of gas is produced by one mol of salt. Convert the mol of gas to mol of salt
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3 years ago
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Can you draw the peptide structure at pH 7.0 (including peptide bonds)
ELEN [110]

Answer:

See image below

Explanation:

The image is labeled according to the sequence N'-Trp-Ser-Asg-Gly-Cys-His-COOH' which means that in the main chain of the peptide, the amino group of the Tryptophan and the carboxylic group of the Histidine are free and thus its charge depends on the pH; other groups that rely on the pH are the side groups of the Cysteine and the Histidine.

Overall, ionizable groups in this peptide are:

  • Amino Group of the Tryptophan (pKa = 9.39)
  • SH group of the Cysteine (pKa = 8.18)
  • Secondary amine of the Histidine (pKa = 6.00)
  • Carboxylic Group of the Histidine (pKa = 1.82)

Then, the amino group of Trp and SH group of Cys are protonated since the peptide is at a pH below the pKa. The secondary amine of the Histidine is deprotonated because the pH is greater than the pKa, as well with its carboxylic acid group.

7 0
3 years ago
Rhia is using the above equation to investigate the carbon footprint, ccc, in kilograms of carbon dioxide (co_2)(co 2 ​ )left pa
Drupady [299]

Answer: -

0.2 Kg

Explanation: -

The equation used by Rhia for the carbon footprint measurement is

C = 0.2 B + 0.1 S

where S miles are by subway, B miles by bus and C is Kg of carbon dioxide.

From the equation we see the coefficient of B is 0.2.

Thus 0.2 Kg of carbon dioxide per mile the bus portion contributes to Rhia's carbon footprint.

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Select True or False: Hydrogen plays an important role in many industrial processes. The following correctly represents a balanc
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Answer: False

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Since the given equation is not balanced properly.

Since oxygen and hydrogen atoms are not balanced.

There should be 6 H2O (g) molecules and 14 mol H2 (g)

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Bismuth has a density of 9.80 g/cm^ 3 . What is the of 3.74 cm ^ 3 of Bi?
Ierofanga [76]

Explanation:

density = mass/ volume

mass= density × volume

mass= 9.80× 3.74

mass= 36.652 g

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