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erastova [34]
2 years ago
7

PLEASE HELP! WILL DO BRAINLIEST! What do scientists call all of the compounds that contain carbon and are found in living things

?
organic

inorganic

acidic

nonacidic
Chemistry
2 answers:
Gnesinka [82]2 years ago
8 0

Organic

Hope this helped.

harkovskaia [24]2 years ago
3 0

Answer:

organic compounds contained in all living things

Explanation:

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gizmo_the_mogwai [7]
 The ore contains 55.4% calcium phosphate (related to the mineral apatite) so the amount of Ca3(PO4)2 is 55.4%x=1000g so x=1000/0.554= 1.805kg. Now for the % of P in this amount of calcium phosphate, use all the masses of the elements in Ca3PO4= Ca=40.078 x 3= 120.23 and (PO4)2= (30.974+64)2=189.95  (NB oxygen is 16 mass x 4 =64) so the total mass is 310.2 and we have 61.95 of P (Pmass x 2) so 61.95/3102.= 0.19 or 19% P. So of the 1.805 x 0.19= 0.34kg of phosphorus.
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2 years ago
A 20.6-L sample of "pure" air is collected in Greenland at a temperature of 220.0°C and a pressure of 1.01 atm and is forced int
KATRIN_1 [288]

Answer :

(a) The pressure inside the bottle just after it filled is 19.8 atm.

(b) The pressure inside the bottle as it opened in the 21.0°C is 11.8 atm.

Explanation :

<u>Part (a) :</u>

Boyle's Law : It is defined as the pressure of the gas is inversely proportional to the volume of the gas at constant temperature and number of moles.

P\propto \frac{1}{V}

or,

P_1V_1=P_2V_2

where,

P_1 = initial pressure of gas = 1.01 atm

P_2 = final pressure of gas = ?

V_1 = initial volume of gas = 20.6 L

V_2 = final volume of gas = 1.05 L

Now put all the given values in the above equation, we get:

1.01atm\times 20.6L=P_2\times 1.05L

P_2=19.8atm

Therefore, the pressure inside the bottle just after it filled is 19.8 atm.

<u>Part (b) :</u>

Gay-Lussac's Law : It is defined as the pressure of the gas is directly proportional to the temperature of the gas at constant volume and number of moles.

P\propto T

or,

\frac{P_1}{T_1}=\frac{P_2}{T_2}

where,

P_1 = initial pressure of gas = 19.8 atm

P_2 = final pressure of gas = ?

T_1 = initial temperature of gas = 220.0^oC=273+220.0=493.0K

T_2 = final temperature of gas = 21.0^oC=273+21.0=294.0K

Now put all the given values in the above equation, we get:

\frac{19.8atm}{493.0K}=\frac{P_2}{294.0K}

P_2=11.8atm

Therefore, the pressure inside the bottle as it opened in the 21.0°C is 11.8 atm.

7 0
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For which of the following species are the dispersion forces strongest?
tigry1 [53]
In order to see which species has the strongest dispersion forces, you need to calculate their molar mass, because the higher the molar mass, the stronger the dispersion forces. 
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In E. coli, the enzyme hexokinase catalyzes the reaction: Glucose + ATP → glucose 6-phosphate + ADP The equilibrium constant, Ke
kondor19780726 [428]

Answer:

Explanation:

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The reaction is given as

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so,

q ⇒ following this criteria the reaction will go towards the right direction ( that is forward reaction is favorable  until q = Keq

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Answer:

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7 0
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