Do bacteria help people?? This is science but there is no tab

Chemistry

1 answer:

Charra [1.4K]2 years ago

4 0

Answer:

Yes

Explanation:

Some bacteria is good for you like the bacteria in your digestive system, which helps with breaking down food and keeping you healthy

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Is a planar carbon "backbone" possible for propane? Explain.

tankabanditka [31]

Answer:

Cyclopropane has a planar carbon back bone while propane does not

Explanation:

We have to recognize that in straight chain saturated organic compounds, carbon atoms have a tetrahedral geometry. Each carbon atom is bonded to four other atoms.

However, carbon atoms in cyclic compounds are also sp3 hybridized with each carbon bonded to only four other atoms but the ring system is highly strained.

Cyclopropane is a necessarily planar molecule with a bond angle that is far less than the expected tetrahedral bond angle due to strain in the molecule. Hence, the carbon atoms may have have a "planar backbone".

4 0

2 years ago

How many atoms are in 0.230grams Pb

Brilliant_brown [7]

Its about 11.5hg because if you divide it with the atom it would result to 11.5hg

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2 years ago

4.8 tons of pig ovaries were required to extract 12.0 mg of estrogen

bearhunter [10]

Is this a question? if so please elaborate.

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2 years ago

Three kilograms of steam is contained in a horizontal, frictionless piston and the cylinder is heated at a constant pressure of

lakkis [162]

Answer:

Final temperature: 659.8ºC

Expansion work: 3*75=225 kJ

Internal energy change: 275 kJ

Explanation:

First, considering both initial and final states, write the energy balance:

$U_{2}-U_{1}=Q-W$

Q is the only variable known. To determine the work, it is possible to consider the reversible process; the work done on a expansion reversible process may be calculated as:

$dw=Pdv$