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4 years ago

Proteins and amino acids cannot synthesize themselves randomly, they need _____ to catalyze the polymerization process.

Chemistry

2 answers:

kompoz [17]4 years ago

8 0

Proteins and amino acids cannot synthesize themselves randomly, they need _ENZYMES ____to catalyze the

Verizon [17]4 years ago

3 0

Protein and amino acids cannot synthesize themselves randomly,they need ENZYMES to catalyze the polymerization process.

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Carl had four metal blocks.. Each block was a different type of metal, but it had the same size and volume. All four blocks were

Yakvenalex [24]

Just took the test and it was 32grams. On my test it was Block B: 32 Grams

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4 years ago

What was the Copernican revolution?

Zolol [24]

The Copernican revolution is about the model of the solar system and was given by a polish astronomer. Option C. The discovery that the universe was expanding.

The Copernican Revolution become the paradigm shift from the Ptolemaic model of the heavens, which described the cosmos as having Earth stationery on the center of the universe, to the heliocentric version with the solar on the center of the solar system.

Copernican Revolution, shift the subject of astronomy from a geocentric understanding of the universe, focused around Earth, to heliocentric knowledge, concentrated across the sun, as articulated by the Polish astronomer Nicolaus Copernicus.

This revolution changed the way of thinking of the solar system. Earlier it was thought that earth is in the center of the solar sysytem,i.e; people believed in the geocentric model, but according to Copernicus the solar system has the sun at the center and the remaining planets revolve around it i.e he believed in a heliocentric model.

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2 years ago

How much heat is absorbed by a 112.5 g sample of water when it is heated from 12.5 °C to 9°C? (Specific heat capacity of water i

Oduvanchick [21]

Answer:

–1647.45 J

Explanation:

From the question given above, the following data were obtained:

Mass (M) = 112.5 g

Initial temperature (T₁) = 12.5 °C

Final temperature (T₂) = 9°C

Specific heat capacity (C) = 4.184 J/g°C

Heat (Q) absorbed =?

Next, we shall determine the change in temperature. This can be obtained as follow:

Initial temperature (T₁) = 12.5 °C

Final temperature (T₂) = 9°C

Change in temperature (ΔT) =?

ΔT = T₂ – T₁

ΔT = 9 – 12.5

ΔT = –3.5 °C

Finally, we shall determine the heat absorbed. This can be obtained as follow:

Mass (M) = 112.5 g

Change in temperature (ΔT) = –3.5 °C

Specific heat capacity (C) = 4.184 J/g°C

Heat (Q) absorbed =?

Q = MCΔT

Q = 112.5 × 4.184 × –3.5

Q = –1647.45 J

5 0

3 years ago

The rotten smell of a decaying animal carcass is partially due to a nitrogen-containing compound called putrescine. Elemental an

gtnhenbr [62]

Answer:C2H6N

Explanation:

Putrescine formula is C4H12N2

Assuming 100g sample is present

The percent changes to grams and it is converted to moles by dividing it with the atomic masses.

C= 54.50g/12 = 4.541moles

H = 13.73g/1 = 13.73moles

N= 31.77g/14 = 2.269moles

Divide through with the smallest moles value.

C= 4.541/2.269 = 2

H= 13.73/2.269=6

N= 2.269/2.269=1

Therefore the empirical formula is

C2H6N

8 0

4 years ago

Determine the empirical formula of a compound containing 8.56 g silicone of 43.2 g of chlorine

SpyIntel [72]

The empirical formula of the compound is SiCl₄.

<h3>Empirical formula of the compound</h3>

mass of silicon = 28 g/mol

mass of chlorine = 35.5 g/mol

<h3>molar ration: </h3>

Si = 8.56/28 = 0.306

Cl = 43.2/35.5 = 1.216

<h3>Combining ratio</h3>

Si = 0.306/0.306 = 1

Cl = 1.216/0.306 = 4

empirical formula = SiCl₄

Thus, the empirical formula of the compound is SiCl₄.

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2 years ago