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yuradex [85]
3 years ago
8

Cassady? you there ?

Chemistry
2 answers:
iren [92.7K]3 years ago
8 0

Answer:

who da hell is cassady?

Explanation:

mash [69]3 years ago
5 0
Who is Cassady my dude are you talking about a quesadilla
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The combustion reaction of propane is described by the reaction. c3h8 5o2 → 4h2o 3co2. how many moles of o2 are required to gene
dmitriy555 [2]
C₃H₈   +   5 O₂   →   4 H₂O   +   3 CO₂

mole ratio based on balance equation of  O₂   :   CO₂ i  s    5  :  3
                      C₃H₈   +   5 O₂   →   4 H₂O   +   3 CO₂

∴ if moles of CO₂  =  3 moles
  
then moles of O₂  = (3 moles ÷ 3) × 5
                             
                             =  <span>5 moles   </span>
7 0
3 years ago
Read 2 more answers
According to Boyle's law, for a fixed quantity of gas at a given temperature, what quantity relating pressure P and volume V is
yan [13]

<u>Answer:</u> The quantity relating pressure and volume is PV=k and the size of the tank must be 1.92\times 10^3L

<u>Explanation:</u>

To calculate the new volume, we use the equation given by Boyle's law. This law states that pressure is inversely proportional to the volume of the gas at constant temperature.

Mathematically,

P\propto \frac{1}{V}

Or,

PV=k

The equation given by this law is:

P_1V_1=P_2V_2

where,

P_1\text{ and }V_1 are initial pressure and volume.

P_2\text{ and }V_2 are final pressure and volume.

We are given:

P_1=160atm\\V_1=12L\\P_2=1atm\\V_2=?L

Putting values in above equation, we get:

160atm\times 12L=1atm\times V_2\\\\V_2=\frac{160\times 12}{1}=1920L=1.92\times 10^3L

Hence, the size of the tank must be 1.92\times 10^3L

7 0
3 years ago
In a hydrogen molecule, the two hydrogen atoms are held together by a single bond with a bond energy of 436 kj/mol of hydrogen.
svetoff [14.1K]

Answer: 873 kJ of energy will be required to break two moles of hydrogen gas.

2H_2+O_2\rightarrow 2H_2O

Above chemical equation shows that two moles of hydrogen gas is reacting with one mole of oxygen gas to give two mole of water molecule.

Bond energy of H-H = 436kJ

According to reaction we have two moles hydrogen,so energy required to break the

H-H bond in two moles of hydrogen gas will be:

2\times \text{bond energy of H-H bond}

2\times {436} = 872kJ

872kJ of energy will be required to break H-H bond in two moles of hydrogen gas.




5 0
3 years ago
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What makes the color of a fire work
exis [7]

Answer:

The use of metal salts. some of the compound produce intense colors when they are burned

4 0
3 years ago
How many halogenation products can ch4 have with cl2?.
Pavel [41]

Answer:

4

Explanation:

3 0
2 years ago
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