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4 years ago

Methylpropane (complete and condensed structural formulas)

Chemistry

1 answer:

Tcecarenko [31]4 years ago

5 0

Answer:

Here's what I get

Explanation:

1. Complete structural formula

Methylpropane consists of a chain of three carbons with another carbon atom attached to the middle carbon. Enough H atoms are added to give each C atom a total of four bonds.

The complete structural formula is shown below (There is a C atom at each intersection).

2. Condensed structural formula

A condensed structural formula is designed to be typed on one line.

The molecule has three CH₃ groups attached to a single carbon atom, so the condensed structural formula is

(CH₃)₃CH

The formula is also often written CH₃CH(CH₃)CH₃ and as (CH₃)₂CHCH₃.

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What is the empirical formula of a carbon-oxygen compound, given that a 95.2 g sample of the compound contains 40.8 g of carbon

algol [13]

Answer:

95.2 - 40.8 = 54.4 g of oxygen

number of moles = mass (g)/ Mr

no. of moles of carbon = 40.8/12 = 3.4

no. of moles of oxygen = 3.4

divide both by smallest value which is 3.4 and you’ll get 1 mole of carbon and 1 mole of oxygen therefore the empirical formula is CO

Explanation:

hope this helps :)

4 0

3 years ago

A particle has a velocity that is 70 % of the speed of light and weighs 206.8 times the mass of an electron. Find the wavelength

Rashid [163]

Speed of light = 3x10^8 m/s
Mass of electron = 9.11x10^-31 kg

70% of 3x10^8 = 2.1x10^8 m/s
206.8*9.11x10^-31 = 1.88x10^-28 kg

Equation for wavelength is: wavelength= plancks constant / (mass*velocity)

Plancks constant = 6.62x10^-34 m^2 kg/s

Plug all of these in and you get: 6.62x10^-34 / (1.88x10^-28/2.1x10^8) = 739.47

Your answer is 739.47 m

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2 years ago

In what layer of the atmosphere does the International Space Station orbit?

Paladinen [302]

Answer:

Explanation:

The thermosphere.

8 0

3 years ago

Select all that apply. which of the following are density labels? kg/l g/m g/ml cm^3/g

Strike441 [17]

I would say that only the only density label is cm^3/g

4 0

3 years ago

Read 2 more answers

Cuando los volcanes entran en erupción lanzan al exterior porciones de materia muy variada ¿cuales fueron los productos de la er

DENIUS [597]

Answer:

The Etna volcano when it previously erupted released a lot of smoke, and then volcanic lava.

Explanation:

The eruption of this volcano was on the Italian island of Sicily.

Where there were large columns of smoke and after that the volcanic magma in a viscoelastic state was released into the external environment.

Some sources claim that the eruption of this volcano reached the areas of Zaffanera.

7 0

3 years ago