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Ad libitum [116K]
4 years ago
8

Butane - ethane - methane - propane: What do these hydrocarbons have in common? A) The same number of carbons present. B) They a

ll have polar covalent bonds. C) They all have single covalent bonds. D) They have the same structural formulas.
Chemistry
1 answer:
Paraphin [41]4 years ago
3 0

Answer:

C) They all have single covalent bonds.

Explanation:

The given hydrocarbons Butane,Ethane,Methane,Propane belongs to alkane group.

In alkane group consists of hydrogen and carbon in which carbon_carbon bonds are single and carbon_hydrogen bond is also single.

The elements of this group makes bond by sharing of electrons that means they form single covalent bond.

Butane have 4 , Ethane has 2, Methane has 1, and Propane has 3 carbon atoms.

Since they have different number of carbon atoms so their structural formula also differs.

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Give the structures of the substitution products expected when 1-bromohexane reacts with: part a naoch2ch3
Yuri [45]

Actually since Bromine is located at the 1 Carbon, so we can say that this is a primary alkyl halide and which undergoes SN2 or E2 reactions. This reaction is a bimolecular, single step process because it is a primary.

<span>The substitution product formed will be 1-ethoxybutane (main product) and sodium bromide (side product).</span>

5 0
4 years ago
A 75 g piece of gold (Au) at 1000 K is dropped into 200 g of H2O at 300K in an insulated container at 1 bar. Calculate the tempe
Deffense [45]

Answer:

The temperature of the system once the equilibrium has been reached = 372.55K

Explanation:

Heat capacity of gold = 129 J/Kg*c.

Heat capacity of water

4,184 J/Kg*c.

Mass of gold = 75g = 0.075Kg

Mass of water = 200g = 0.2Kg

From conservation of energy

m1×C1×(t11 - t2) = m2×C2×(t2- t21)

Substituting we have

0.075 × 129×(1000-t2) = 0.2× 4184×( t2 -300) =solving for t2, we have

933.55×t2 = 347790

or t2 = 372.55K

The temperature of the system once the equilibrium has been reached = 372.55K

6 0
4 years ago
Why aint no won answering my question on go my latest questions if u want to help :(
77julia77 [94]
Can u send me the link ? Sorry tho but I don’t know how to go to ur questions :(
3 0
3 years ago
What volume of 15.7 M H2SO4 is required to prepare 12.0 L of 0.156 M sulfuric acid?
kirza4 [7]

The volume of 15.7 M H2SO4 is required to prepare 12.0 L of 0.156 M sulfuric acid is 0.12 L

<h3>Data obtained from the question</h3>

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

  • Molarity of stock solution (M₁) = 15.7 M
  • Volume of diluted solution (V₂) = 12 L
  • Molarity of diluted solution (M₂) = 0.156 M
  • Volume of stock solution needed (V₁) = ?

<h3>How to determine the volume of the stock solution needed</h3>

The volume of the stock solution needed can be obtained by using the dilution formula as shown below:

M₁V₁ = M₂V₂

15.7 × V₁ = 0.156 × 12

15.7 × V₁ = 1.872

Divide both side by 15.7

V₁ = 1.872 / 15.7

V₁ = 0.12 L

Thus, the volume of the stock solution needed to prepare the solution is 0.12 L

Learn more about dilution:

brainly.com/question/15022582

#SPJ1

4 0
1 year ago
Which phrase accurately describes an elliptical galaxy?
Crank

Answer:

Elliptical galaxies are one of the three types of galaxies. They have a rounded shape of an ellipse, like a stretched-out circle. They lack the swirling arms that are a main feature of spiral galaxies.

6 0
3 years ago
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