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Dovator [93]
3 years ago
6

A functional group is a specific arrangement of atoms in an organic compound that is acmpavle if characteristic reactions

Chemistry
1 answer:
STatiana [176]3 years ago
4 0

Explanation:

(a) a functional group is a special group of atoms or bonds in a compound that is responsible for the chemical reactions, behavior, and characteristics of that compound. (b) Functional group is present in both the compound is alcohol (-OH).

Functional groups are specific groupings of atoms within molecules that have their own characteristic properties, regardless of the other atoms present in a molecule. Common examples are alcohols, amines, carboxylic acids, ketones, and ethers.

Key Points

Functional groups are often used to “functionalize” a compound, affording it different physical and chemical properties than it would have in its original form.

Functional groups will undergo the same type of reactions regardless of the compound of which they are a part; however, the presence of certain functional groups within close proximity can limit reactivity.

Functional groups can be used to distinguish similar compounds from each other.

Key Terms

functional group: A specific grouping of elements that is characteristic of a class of compounds, and determines some properties and reactions of that class.

functionalization: Addition of specific functional groups to afford the compound new, desirable properties.

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Karolina [17]
Since each of the substances conduct electricity except A, it is the least likely to be metallic. Additionally, it is a powder, which is unlike most metals, and has an extremely high melting point much above many metal substances and very different from the other substances tested.
8 0
4 years ago
The density of ice is 0.917 g/cm3. What volume of ice does 52.75 g occupy?
Vadim26 [7]

Answer:

The answer is

<h2>57.52 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}

From the question

mass of ice = 52.75 g

density = 0.917 g/cm³

The volume of the ice is

volume =  \frac{52.75}{0.917}  \\  = 57.52453653

We have the final answer as

<h3>57.52 mL</h3>

Hope this helps you

4 0
3 years ago
A propane stove burned 470 grams propane and produced 625 grams of water (this is the actual yield) C3H8 +5O2=3CO2+4H20. What wa
Liula [17]

Answer:

81.3%

Explanation:

Step 1:

The balanced equation for the reaction:

This is shown below:

C3H8 + 5O2 —> 3CO2 + 4H2O

Step 2:

Data obtained from the question. This includes:

Mass of propane (C3H8) = 470 g

Actual yield of water (H2O) = 625 g

Percentage yield of water (H2O) =?

Step 3:

Determination of the mass of propane (C3H8) burned and the mass of water (H2O) produce from the balanced equation. This is illustrated below:

C3H8 + 5O2 —> 3CO2 + 4H2O

Molar Mass of C3H8 = (3x12) + (8x1) = 36 + 8 = 44g/mol

Molar Mass of H2O = (2x1) + 16 = 2 + 16 = 18g/mol

Mass of H2O from the balanced equation = 4 x 18 = 72g

From the balanced equation above,

44g of C3H8 was burned and 72g of H2O was produced.

Step 4:

Determination of the theoretical yield of H2O. This is illustrated below:

From the balanced equation above,

44g of C3H8 produced 72g of H2O.

Therefore, 470g of C3H8 will produce = (470x72)/44 = 769.09g of H2O.

Therefore, the theoretical yield of H2O is 769.09g

Step 5:

Determination of the percentage yield of water (H2O). This is illustrated below:

Actual yield of water (H2O) = 625g

theoretical yield of H2O = 769.09g

Percentage yield of water (H2O) =?

Percentage yield = Actual yield/Theoretical yield x100

Percentage yield = 625/769.09 x100

Percentage yield = 81.3%

Therefore, the percentage yield of water (H2O) is 81.3%

4 0
4 years ago
Need help with this Stoichiometry question
Inessa [10]

Hi!

<u>HCl is the limiting reactant.</u>

From the equation, we understand that 1 mole of Mg(OH)2 will react with 2 moles of HCl for the reaction to be complete. To find the limiting reactant we need to see which molecule is in lower quantity (in terms of moles and not mass)

Calculating the number of moles of Mg(OH)2 given

Using the formula, number of moles= mass / molecular mass

number of moles = 50.6 / 58 = ~ 0.872

Calculating the number of moles of HCl given

Number of moles = 45 / 36.5 = ~ 1.232


There are several ways to use this information  to calculate the limiting reactant. In our case, we can subtract the number of moles of Mg(OH)2 from the number of moles of HCl and check for the remainder.

If it is more than 0.872, then HCl would be in excess, with Mg(OH)2 being the limiting reactant; however, if the remainder is less than 0.872, it would mean <em>HCl is the limiting reactant.</em>

1.232- 0.872 = 0.36

As 0.36 < 0.872 , we see that HCl is the limiting reagent.

NOTE: this is in the case that the moles of HCl needed to complete the reaction is twice that of Mg(OH)2.


Hope this helps!

8 0
3 years ago
Read 2 more answers
While looking at calcium (Ca) on the periodic table, a student needs to find an element with a greater atomic mass in the same p
Dmitry_Shevchenko [17]

Answer:directly to the right

Explanation:

Atomic size increases from left to right

8 0
3 years ago
Read 2 more answers
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