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jeka57 [31]
3 years ago
12

What are the four basic substainses that make up a cell

Chemistry
1 answer:
vampirchik [111]3 years ago
3 0

Answer: <u>Carbohydrates, proteins, lipids, and nucleic acids. </u>

Explanation: The main four basic substances are carbohydrates (elements carbon (C), hydrogen (H), and oxygen (O), lipids, proteins, and nucleic acids. Which all happen to be organic compounds as well.

Hope this helps! :)

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All but one statement below tell why scientists work in groups
USPshnik [31]
I think it’s D hope that helped
6 0
3 years ago
`we discussed benzene rings in this lesson. so, consider the compound chlorobenzene. how many carbon atoms would it have?
Aloiza [94]
Chlorobenzene would essentially be a benzene ring that is substituted with chlorine. Thus it would have 6 carbon atoms, in its molecular formula.
4 0
3 years ago
A 150 W electric heater operates for 12.0 min to heat an ideal gas in a cylinder. During this time, the gas expands from 3.00 L
Brut [27]

<u>Answer:</u> The change in internal energy of the gas is 108.835 kJ

<u>Explanation:</u>

To calculate the work done for reversible expansion process, we use the equation:

W=P\Delta V=-P(V_2-V_1)

where,

W = work done

P = pressure = 1.03 atm

V_1 = initial volume = 3.00 L

V_2 = final volume = 11.0 L

Putting values in above equation, we get:

W=-(1.03)\times (11.0-3.00)=8.24L.atm=834.9J=0.835kJ     (Conversion factor:  1 L. atm = 101.325 J)

Calculating the heat from power:

Q=P\times t

where,

Q = heat required

P = power = 150 W

t =  time = 12 min = 720 s       (Conversion factor:  1 min = 60 s)

Putting values in above equation:

Q=150\times 720=108000J=108kJ

The equation for first law of thermodynamics follows:

Q=dU+W

where,

Q = total amount of heat required = 108 kJ

dU = Change in internal energy = ?

W = work done  = -0.835 kJ

Putting values in above equation, we get:

108kJ=dU+(-0.835)\\\\dU=(108+0.835)=108.835kJ

Hence, the change in internal energy of the gas is 108.835 kJ

7 0
4 years ago
Convert the following sentence into an equation and balance it.
Ivan
Djsktdotsktdktđktkskrdkt
5 0
3 years ago
El agua oxigenada es una disolucion al 7% en volumen de peroxido de hidrogeno en agua , que se usa para destruir microorganismos
jolli1 [7]

Answer:

857mL de la solución al 7%

Explanation:

Una solución de agua oxigenada (H₂O₂) al 7% contiene 7mL de peróxido de hidrógeno por cada 100mL de solución = 7mL H₂O₂ / 100mL Sln

Para preparar un litro = 1000mL de disolución al 6% de peróxido de hidrógeno se requieren:

1000mL Sln * (6mL H₂O₂ / 100mL Sln) = 60mL H₂O₂

Para obtener 60mL de H₂O₂ a partir de la solución al 6% se requieren:

60mL H₂O₂ * (100mL Sln / 7mL H₂O₂) =

<h3>857mL de la solución al 7%</h3>
8 0
3 years ago
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