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Triss [41]
4 years ago
12

rite stepwise equations for protonation or deprotonation of this polyprotic species in water. What are the products of the first

step? CO32- + H2O → __ + __ CO32- + H2O →
Chemistry
1 answer:
adoni [48]4 years ago
3 0

<u>Answer:</u> The products of the given chemical equation are HCO_3^-\text{ and }OH^-

<u>Explanation:</u>

Protonation equation is defined as the equation in which protons get added in the substance.

The chemical equation for the protonation of carbonate ion in the presence of water follows:

CO_3^{2-}+H_2O\rightarrow HCO_3^-+OH^-

By Stoichiometry of the reaction:

1 mole of carbonate ion reacts with 1 mole of water to produce 1 mole of hydrogen carbonate ion and 1 mole of hydroxide ion

Hence, the products of the given chemical equation are HCO_3^-\text{ and }OH^-

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timofeeve [1]
2.4368 MILOGRAMS  is burned
6 0
3 years ago
CzHy + 502 3 CO2 + 4H20
soldi70 [24.7K]

Answer: 8 moles

Explanation:

C3H8(g) + 5O2(g) ---> 3CO2(g) + 4H2O(g)

The balanced equation above shows the combustion of propane, C3H8 (for x is 3; y is 8) in oxygen, O2 to yield carbon dioxide, CO2 and water, H2O

The mole ratio on combustion are as follows:

5 moles of O2 react to produce 3 moles of CO2

Z mole of O2 react to produce 4.8 moles of CO2

To get the value of Z, cross multiply

4.8 moles x 5 mole = 3 mole x Z

24 = 3Z

Divide both sides by 3

24/3 = 3Z/3

8 = Z

Thus, in the combustion of propane, 8 moles of oxygen (O2) are needed to react to produce 4.8 moles of carbon dioxide (CO2)

7 0
4 years ago
What is the scientists next step if he concludes that his hypothesis is false?
My name is Ann [436]
Finish their experiment and conclusions, then remake their observations and reform a new hypothesis and procedure, and repeat until they are correct
4 0
3 years ago
What is the volume of 1.9 moles of chlorine gas (Cl2) at 298 K and 1.3 atm?
matrenka [14]
<h2>Hello!</h2>

The answer is:

The correct option is option C.

V=36L

<h2>Why?</h2>

To calculate the volume of the gas sample, we need to use the Ideal Gas Law, this equation is used to relate the pressure, the volume, the mass and the temperature of a gas, so, we can isolate the volume from it.

The Ideal Gas Law equation is equal to:

PV=nRT

Where,

P is the pressure (in atm)

V is the volume (in liter)

n is the mass of the gass (in mole)

T is the temperature of the gass (absolute temperature)

So, from the statement we know that:

Pressure=1.3atm\\Temperature=298K\\n=1.9moles\\R=0.082057\frac{L.atm}{mol.K}

Then, substituting and calculating we have:

PV=nRT\\\\V=\frac{nRT}{P}=\frac{1.9moles*0.082057\frac{L.atm}{mol.K}*298K}{1.3atm}=35.74L

Now, rounding to the nearest whol number we have that the volume is equal to 36 L.

Hence, the correct option is option C.

Have a nice day!

5 0
3 years ago
What is the percent by mass of carbon in carbon dioxide (CO2)?
olga2289 [7]

The answer is A

explanation:

We know that the atomic weight of carbon is 12 grams and that of oxygen is 16 grams. Hence we have calculated the mass 5 of carbon in carbon dioxide to be 27.27%.

3 0
3 years ago
Read 2 more answers
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