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3 years ago

How are lactic and alcoholic fermentation similar?

1 answer:

8 0

Lactic and alcholic happens when there is no oxygen.

So, how did it happen?
Recall that in glycolysis of cellular respiration, there is a glucose (6 Carbons) molecule. That glucose molecule is going to be broken down into two pyruvates (3 Carbons). There is no oxygen (also know as anaerobic respiration) so pyruvate is going to be converted into lactate or alcoholic fermentation depending on it's accessibility. I highly suggest you to watch this video if you don't get what I'm talking about:

http://www.bozemanscience.com/cellular-respiration/

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Diethyl ether (C2H5 )2O vaporizes at room temperature. If the vapor exerts a pressure of 233 mm Hg in a flask at 25 °C, what is

Svet_ta [14]

Answer: The density of the given vapor is 0.939 g/L.

Explanation:

Given: Pressure = 233 mm Hg (1 mm Hg = 0.00131579 atm) = 0.31 atm

Temperature = $25^{o}C$ = (25 + 273) K = 298 K

According to the ideal gas equation,

$PV = \frac{m}{M}RT$

where,

P = pressure

V = volume

m = mass

M = molar mass

R = gas constant = 0.0821 L atm/mol K

T = temperature

This formula can be re-written as follows.

$PM = \frac{m}{V}RT$ (where, $Density = \frac{mass (m)}{Volume (V)}$ )

Hence, formula used to calculate density of diethy ether (molar mass = 74.12 g/mol) vapor is as follows.

$d = \frac{PM}{RT}$

Substitute values into the above formula as follows.

$d = \frac{PM}{RT}\\= \frac{0.31 atm \times 74.12 g/mol}{0.0821 L atm/mol K \times 298 K}\\= \frac{22.9772}{24.4658}\\= 0.939 g/L$

Thus, we can conclude that the density of the given vapor is 0.939 g/L.

6 0

4 years ago

What is formed when acids and bases come together in neutralization reactions?.

nlexa [21]

It would be Water and salts

8 0

2 years ago

The picture shows a scientist operating an instrument that measures earthquakes. Identify the TWO terms from the list below that

Liula [17]

Answer:

The answers are A) Seismograph, and B) Primary (P) Waves

Explanation:

A is one because a seismograph measures seismic waves to gauge the intensity of an earthquake, such as B, P Waves, which are the earliest waves, the ones that tell you an earthquake is coming.

Good Luck!

5 0

3 years ago

A 5-ounce cup of raspberry yogurt contains 5.0 g of protein, 3.0 g of fat, and 13.3 g of carbohydrate. The fuel values for prote

castortr0y [4]

Answer:

as it has 17000 joules and 1 calorie has 4184 joules, this yogurt serving has 4.06 calories

6 0

3 years ago

Which element is present in all organic compounds?

Hatshy [7]

Carbon and Hydrogen are present in all organic compounds !