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3 years ago

How many penicillin molecules would you have if you had a total of 36 hydrogen atoms? What would be the total atomic mass?

Chemistry

1 answer:

jeyben [28]3 years ago

8 0

Answer:

Explanation:

Molecular formula of penicillin = C₁₆ H₁₈ N₂ O₄S

No of hygrogen atoms = 36

No of molecules = 36 / 18 = 2

molecular weight = 334 amu

molecular weight of 2 molecules = 334 x 2 = 668 amu.

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What is one long-lasting climate change?

dimulka [17.4K]

Answer:

Scientists have predicted that long-term effects of climate change will include a decrease in sea ice and an increase in permafrost thawing, an increase in heat waves and heavy precipitation, and decreased water resources in semi-arid regions

Explanation:

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2 years ago

Clouds are made up of tiny droplets of water. Which two spheres are clouds a

MaRussiya [10]

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3 years ago

In principle, the equilibrium in the dehydration of an alcohol could be shifted to the right be removal of water. Why is this ta

Trava [24]

Answer:

See explanation

Explanation:

In this case, we have to remember that if we want to remove water from the reaction vessel we have to heat the vessel. So, we can convert the liquid water into gas water and we can remove it from the vessel. In this case, the products of dehydration for both molecules are (E)-4-methylpent-2-ene and cyclohexene with boiling points of 59.2 ºC and 89 ºC respectively. The boiling point of water is 100 ºC, therefore if we heat the vessel the products and water would leave the system, and the products would be lost.

See figure 1

I hope it helps!

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3 years ago

We might think of a porous material as being a composite wherein one of the phases is a pore phase. Estimate upper and lower lim

eduard

Answer:

The upper and lower limits for the room-temperature thermal conductivity of a magnesium oxide material having a volume fraction of 0.10 of pores that are filled with still air are

Ku = 38.252 W/mK

K lower = 0.199 W/mK

Explanation:

As we know

Ku = Vp * Kair + Vmagnesium * K metal

Ku = 0.10 *0.02 + (1-0.25) * 51

Ku = 38.252 W/mK

The lower limit

K lower = Kmetal* Kair/( Vp * Kmetal + Vmetal * K air)

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2 years ago

How do synthesis reactions and a decomposition reactions differ

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3 years ago