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3 years ago

Explain organic chemistry

Chemistry

2 answers:

monitta3 years ago

8 0

Explanation:

The study of the structure, properties, composition, reactions, and preparation of carbon-containing compounds

Brilliant_brown [7]3 years ago

6 0

Answer:

Organic Chemistry is the study of the structure, properties, composition, reactions, and preparation of carbon-containing compounds, which include not only hydrocarbons but also compounds with any number of other elements, including hydrogen (most compounds contain at least one carbon–hydrogen bond), nitrogen, oxygen,etc

. Study of structure determines their chemical composition and formula.

Explanation:

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Which factor is most important to consider when evaluating a journal article about global warming?

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Answer:

Does the article contain facts or only opinions? - B)

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Explain why space junk is a hazard to an astronats or spacecraft

Pie

Answer:

Space junk is travelling so fast that a collision with an astronaut or a spacecraft could be disastrous.

Explanation:

Space junk orbits the Earth at speeds of about 28 000 km/h.

That's so fast that even an orbiting fleck of paint has enough kinetic energy to cause impact craters on the surface of a spacecraft. They are even more dangerous to an astronaut on a space walk.

Much of the space debris is larger and more dangerous than a fleck of paint.

One rough estimate of the amount of space debris is

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< 1 cm 200 000 000

1 cm to 10 cm 700 000

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3 years ago

Periodic Table Question

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Bottom left on the periodic table

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What does matter have to do with chemistry? How are forces involved?

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Matter is every object that stands on this Earth

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A gas mixture contains HBr, NO2, and C2H6 at STP.If a tiny hole is made in the container, which gas will effuse fastest?Which ga

MakcuM [25]

Explanation:

Molar mass of HBr = 81 g/mol

Molar mass of nitrogen dioxide gas = 46 g/mol

Molar mass of ethane = 30 g/mol

Graham's Law states that the rate of effusion or diffusion of gas is inversely proportional to the square root of the molar mass of the gas. The equation given by this law follows the equation:

$\text{Rate of diffusion}\propto \frac{1}{\sqrt{\text{Molar mass of the gas}}}$

So, the gas with least molar mass will effuse out fastest from the container and that is ethane gas.

The formula for average kinetic energy is:

$K.E=\frac{3}{2}kT$

where,

k = Boltzmann’s constant = $1.38\times 10^{-23}J/K$

T = temperature = 273.15 K ( at STP)

As we can see from the formula that kinetic energy depends upon only temperature of the gas molecule.

So, from this we can say that all the gas molecules have the same average kinetic energy at this temperature.

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3 years ago