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Elanso [62]
2 years ago
9

Explain two different changes an urban area can make to increase walkability

Chemistry
1 answer:
Nina [5.8K]2 years ago
8 0
Add more side walks and crosswalks so that people can walk safely and add more stores in closer proximity to residential areas.
Hope this helps :)
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2) Find the volume that 2.0 moles of H2 will occupy at STP?
Rom4ik [11]

Answer:

V = 44.85 L

Explanation:

Given data:

Volume of H₂ = ?

Number of moles of H₂ = 2.0 mol

Given temperature = 273.15 K

Given pressure = 1 atm

Solution:

Formula:

PV = nRT

P = Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

By putting values,

1 atm × V = 2.0 mol × 0.0821 atm.L/ mol.K  × 273.15 K

V = 44.85 atm.L / 1 atm

V = 44.85 L

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3 years ago
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Answer:Consider a sample that is a mixture composed of biphenyl, benzoic acid, and benzyl alcohol. The sample is spotted on a TLC ... Predict the relative Rf values for the three components in the sample. Hint: See Table 19.3. ... The sample is spotted on a TLC plate and developed in solvent mixture. We are going to predict the ...

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Good Morning I have a question I need help and can not find the answer o it maybe someone help me? The question is _______ Most
Semenov [28]

Answer:

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3 years ago
Which substance below will exhibit hydrogen bonding between the molecules of the substance?
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The question requires us to draw the structural formula, provide the name and highlight any functional groups for the compound: diethyl ether.

The molecule diethyl ether can be represented as it follows, with two ethyl groups (-CH2CH3) bonded to a oxygen atom:

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3 0
1 year ago
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