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3 years ago

Which product of petroleum is normally used as fuel in cars and light vehicles

Chemistry

2 answers:

Elena L [17]3 years ago

8 0

Answer:

mostly gasoline in cars nowadays

NeTakaya3 years ago

7 0

Gasoline is the product used as fuel.

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46. True or false. Chemical reactions do not involve changes in the chemical bonds that join

Naddika [18.5K]

Answer:

Chemical reactions do not involve changes in the chemical bonds that join

atoms in compounds :

False

Explanation:

Chemical reaction are the reaction in which old bonds break and new bonds are formed . The formation of new bond result in formation of new compounds . This happen because new bond are result of linking different atoms by the bond.

For example : Water formation from Oxygen and Hydrogen is a chemical process :

$2H_{2}+O_{2}\rightarrow 2H_{2}O$

Original(old) bonds are :

H-H bond in H2 and O-O bonds in O2

In H2 = Hydrogen is joined to Hydrogen

IN O2 = Oxygen is joined to oxygen

New Bonds =

O-H bonds in water (H2O)

Oxygen is joined to hydrogen = New Bond formation

Hence,

Chemical reactions do involve changes in the chemical bonds that join

atoms in compounds

3 0

3 years ago

Determine the empirical formula of a compound containing 1.71 g of silicon and 8.63 g of chlorine.

Basile [38]

Answer:

The answer to your question is: SiCl₄

Explanation:

Data

amount of Si 1.71 g

amount of Cl 8.63 g

MW Si = 28 g

MW Cl = 35.5

Process (rule of three)

For Si For Cl

28 g of Si ------------------ 1 mol 35.5 g of Cl --------------- 1 mol

1.71g of Si --------------- x 8.63 g of Cl -------------- x

x = 1.71 x 1 / 28 = 0.06 mol x = 8.63 x 1 / 35.5 = 0.24 mol

Now, divide both results by the lowest of them.

Si = 0.06 mol / 0.06 = 1 molecule of Si Cl = 0.24 / 0.06 = 4 molecules of Cl

Finally

Si₁ Cl₄ or SiCl₄

8 0

2 years ago

A 20.00-mL sample of a weak base is titrated with 0.0568 M HCl. At the endpoint, it is found that 17.88 mL of titrant was used.

nata0808 [166]

Answer: 0.0508mL

Explanation: Using the basic formula that states: C acid * V acid = C base * V base. we have:0.568 * 17.88 = 20 * C base.

therefore concentration of the base is 1.0156/20 = 0.0508 mL

7 0

2 years ago

What two parts are found in the nucleus

cricket20 [7]

Protons and neutrons

5 0

3 years ago

LOOK im girl and i like this girl and I KNOW " she is gay" NO IM PAN so ya but do i ask out this girl?

Arturiano [62]

Go ahead!! Shoot your shot:)

8 0

2 years ago

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Which product of petroleum is normally used as fuel in cars and light vehicles​

Which product of petroleum is normally used as fuel in cars and light vehicles