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marysya [2.9K]
3 years ago
5

Identify the functional group(s) that appear in the molecule below. oh

Chemistry
1 answer:
kolbaska11 [484]3 years ago
7 0
OH appear in alcohol group

Methanol for example is CH3OH
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4.41 g of propane gas (C3H8) is injected into a bomb calorimeter and ignited with excess oxygen, according to the reaction below
gayaneshka [121]

Answer :  The heat of the reaction is -221.6 kJ

Explanation :

Heat released by the reaction = Heat absorbed by the calorimeter

q_{rxn}=-q_{cal}

q_{cal}=c_{cal}\times \Delta T

where,

q_{rxn} = heat released by the reaction = ?

q_{cal} = heat absorbed by the calorimeter

c_{cal} = specific heat of calorimeter = 97.1kJ/^oC=97100J/^oC

\Delta T = change in temperature = (T_{final}-T_{initial})=(27.282-25.000)=2.282^oC

Now put all the given values in the above formula, we get:

q_{cal}=(97100J/^oC)\times (2.282^oC)

q_{cal}=221582.2J=221.6kJ

As, q_{rxn}=-q_{cal}

So, q_{rxn}=-221.6kJ

Thus, the heat of the reaction is -221.6 kJ

6 0
3 years ago
Improper or incomplete usage of citations can lead to
lys-0071 [83]
Improper or incomplete usage of citations can lead to plagiarism.

Without proper usage of citations, teachers or whoever is looking over your work, may think because you do not hold acceptable citations, that they will think it is plagiarized. Plagiarism is taking another person's work or ideas without citing it. Citation or direct quotation could save you from plagiarism. 
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3 years ago
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For which of the following materials is necessary to stop a beta particle?
tensa zangetsu [6.8K]
Hello.

The answer would be <span>A. Three feet of concrete.

Have a nice day.</span>
8 0
3 years ago
Which of the following is not a product of cellular respiration?
zvonat [6]
C. C6H1206 because glucose is used to make ATP
4 0
3 years ago
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What is the Density of 85 mL of a liquid that has a mass of 54 Kg?
Korolek [52]

Answer:

The answer to your question is  density = 635.3 g/ml (check the units)

Explanation:

Data

density = ?

volume = 85 ml

mass = 54 kg

Density is a physical property that relates the mass of an object and its volume.

The unit of this property are g/ml or kg/m³

In this problem, I will calculate the density in g/ml

Formula

            density = mass/ volume

-Substitution

            density = 54000 / 85

-Simplification

            density = 635.3 g/ml

3 0
3 years ago
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