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-Dominant- [34]
3 years ago
8

5. Calculate the decrease in temperature when 6.00 L at 20.0 °C is compressed to 4.00 L.

Chemistry
1 answer:
Kazeer [188]3 years ago
5 0

Answer: 195.3 K

Explanation: Use Charles Law to get T2

Charles Law V1 / T1 = V2 / T2

Derive the equation to find T2

T2 = V2T1 / V1

Convert temperature into K

T1 = 20.0 °C + 273 = 293 K

Substitute the values:

4.00 L x 293 K / 6.00 L = 195. 3 K

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Both cholesterol and oleic acid are lipids. What property do they have in common?
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Cholesterol and oleic acid are non-polar (hydrophobic) compounds, soluble in organic solvents. Most membrane lipids are amphipathic, having a non-polar end and a polar end. Oleic acid and other fatty acids are hydrophobic (not soluble in water).

Please mark as brainliest if it helps
8 0
3 years ago
Glucose (C6H12O6)(C6H12O6) can be fermented to yield ethanol (CH3CH2OH)(CH3CH2OH) and carbon dioxide (CO2).
zhenek [66]

Answer: a) 49.8 gram

b) 47.0 %

Explanation:

First we have to calculate the moles of glucose

\text{Moles of glucose}=\frac{\text{Mass of glucose}}{\text{Molar mass of glucose}}=\frac{97.5g}{180.15g/mole}=0.54moles

The balanced chemical reaction will be,

C_6H_{12}O_6\rightarrow 2CH_3CH_2OH+2CO_2

From the balanced reaction, we conclude that

As,1 mole of glucose produce = 2 moles of ethanol

So, 0.54 moles of glucose will produce =  \frac{2}{1}\times 0.54=1.08 mole of ethanol

Now we have to calculate the mass of ethanol produced

\text{Mass of ethanol}=\text{Moles of ethanol}\times \text{Molar mass of ethanol}

\text{Mass of ethanol}=(1.08mole)\times (46.08g/mole)=49.8g

Now we have to calculate the percent yield of ethanol

\%\text{ yield of ethanol}=\frac{\text{Actual yield}}{\text{Theoretical yield }}\times 100=\frac{23.4g}{49.8g}\times 100=47.0\%

Therefore, the percent yield is 47.0 %

7 0
3 years ago
If the mass of a material is 106 grams and the volume of the material is 23 cm3, what would the density of the material be? g/cm
den301095 [7]
Density is mass over volume
Density = 106g/23cm³ = 4.6g/cm³
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3 years ago
Is a caterpillar a consumer
KonstantinChe [14]
The answers yes because it consumes leaves.
5 0
4 years ago
Covalent bond name: N6Cl10
soldier1979 [14.2K]

Covalent Bond Name :N6Cl10

Explanation:

  • Covalent compounds are named by using numerical prefixes to identify the number of atoms in the molecule. For example Carbon Dioxide CO2 and Carbon Monoxide CO . ... Drop the double vowel for the prefix and the element of the second element in the compound.

  • The three types as mentioned in the other answers are polar covalent, nonpolar covalent, and coordinate covalent. The first, polar covalent, is formed between two nonmetals that have a difference in electronegativity. They share their electron density unevenly.

  • Examples of Covalent Bond:  Water. An example is water. Water consists of a covalent bond containing hydrogen and oxygen bonding together to make H2O. ...Diamonds. A diamond is an example of Giant Covalent bond of carbon. A diamond has a giant molecular structure. ...Vulcanized rubber. Another example is vulcanized rubber.
  • Covalent bonds are especially important since most carbon molecules interact primarily through covalent bonding. Covalent bonding allows molecules to share electrons with other molecules, creating long chains of compounds and allowing more complexity in life.
7 0
4 years ago
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