Distinguish between a carbohydrate and a protein

Answers

Answer 1

Answer: A carbohydrate is a trans fat while protien is nor

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What is the wavelength, in nanometers, of light with an energy content of 1898 kJ/mol ?Express your answer using four significant figures.

Answers

The energy of phton can be determined through the formula E= speed of light * Planck's constant divided by the wavelength of light. Placnk's constant is equal to 6.62607004 × 10-34 m2 kg / s while speed of light is equal to 3x10^8 m/s. Hence, the wavelength of light is 1.0465 x10^-22 nanometers.

What does the molecular formula of a compound describe?

Answers

Answer: Molecular Formulas. Molecular formulas are a compact chemical notation that describe the type and number of atoms in a single molecule of a compound. Identify the molecular formula of a compound given either its name or structural formula.

Explanation:

C6H14 has a boiling point than C11H24.

Answers

The correct statement to complete the thought of the sentence is "lower boiling point". C6H14 or hexane has a lower boiling point than C11H24 since hexane has lower number of atoms than the latter. Lower number of atoms means less bond which results to lower bonds to break.

C6H14 has a lower boiling point than C11H24.

Which of the following is not an example of a mineral crystal shape? A. Calcite
B. Kryptonite
C. Quartz
D. Pyrite

Answers

B. Kryptonite. The reason for this is that it is a nonexistent compound, or if it exists it is manmade and only able to survive for a few second. The suffix -tie indicates that is a bonded with oxygen, which, since Krypton is a noble gas, is impossible. also, crystals are formed from ionic bonds, and since both krypton and oxygen are non-metals, a bond between them would be covalent.

What is true about an ocean current that is moving toward the equatorA. Warm
B. Fast
C. Cold
D. Slow

Answers

Ocean current that is moving toward the equator is cold. The windblown surface currents distribute heat all over the globe through moving the water which is warm away from the equator and the cool water will replace which is from the north and south poles. An example of this is the Gulf Stream which moves warm water towards the Great Britain and Europe.

Calculate the volume a solution required toof provide the following: (a) 2.14 g of sodium chloridefrom a 0.270 M solution, (b) 4.30 g of ethanol from a1.50M solution, (c) 0.85 g of acetic acid (CH3COOH)from a 0.30 M solution.

Answers

Considering the definition of molar mass and molarity, the volume of each compound is:

NaCl= 0.1355 L
C₂H₆O = 0.0622 L
CH₃COOH = 0.047 L

Definition of molar mass

The molar mass of substance is a property defined as its mass per unit quantity of substance, in other words, molar mass is the amount of mass that a substance contains in one mole.

Definition of molarity

Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

$molarity=(number of moles)/(volume)$

Molarity is expressed in units $(moles)/(liter)$ .

Volume required

You know that the molar mass of each compound is:

NaCl = 58.44 g/mol
C₂H₆O = 46.06 g/mol
CH₃COOH = 60.0 g/mol

On the other side, you know that the mass of each compound is:

NaCl = 2.14 g
C₂H₆O = 4.30 g
CH₃COOH = 0.85 g

Then, considering the definition of molar mass, the amount of moles of each compound is:

NaCl = $(2.14 g)/(58.44 g/mol)$ = 0.0366 moles
C₂H₆O = $(4.30 g)/(46.06 g/mol)$ = 0.0933 moles
CH₃COOH = $(0.85 g)/(60.0 g/mol)$ = 0.0141 moles

The molarity of each compound is:

NaCl = 0.27 M
C₂H₆O = 1.50 M
CH₃COOH = 0.30 M

Considering the molarity, the volume of each compound is calculated as:

NaCl = $(0.0366 moles)/(0.27 M)$ = 0.1355 L
C₂H₆O = $(0.0933 moles)/(1.50 M)$ = 0.0622 L
CH₃COOH = $(0.0141 moles)/(0.30 M)$ = 0.047 L

Learn more about

molar mass:

brainly.com/question/5216907

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molarity:

brainly.com/question/9324116

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brainly.com/question/7429224

a) NaCl = 58.44 g/mol

number of moles : 2.14 / 58.44 = 0.0366 moles

V = n / M => 0.0366 / 0.270 = 0.1355 L
__________________________________________

b) C2H6O = 46.06 g/mol

number of moles : 4.30 / 46.06 = 0.0933 moles

V = n / M => 0.0933 / 1.50 = 0.0622 L
___________________________________________

c) CH3COOH = 60.0 g/mol

number of moles : 0.85 / 60.0= 0.0141 moles

V = n / M => 0.0141 / 0.30 = 0.047 L
___________________________________________

hope this helps!

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