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MArishka [77]
3 years ago
11

Write a BALANCED chemical equation for the acid base reaction between aqueous perchloric acid and aqueous calcium hydroxide.​

Chemistry
1 answer:
sergejj [24]3 years ago
5 0

Answer:

2HClO4 + Ca(OH)2 = Ca(ClO4)2 + 2H2O

Explanation:

Formula for aqueous perchloric acid is; HClO_4 (aq)

Formula for aqueous calcium hydroxide is; Ca(OH)_2 (aq)

Thus chemical equation is;

HClO4 + Ca(OH)2 = Ca(ClO4)2 + H2O

We have to balance it and so we now have;

2HClO4 + Ca(OH)2 = Ca(ClO4)2 + 2H2O

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Propane burns in oxygen to produce carbon dioxide and water what is the percent yeild
amid [387]

Answer:

The percentage yield is 78.2g

Explanation:

Given, mass of propane = 42.8 g , sufficient O2 percent yield = 61.0 % yield.

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

First we need to calculate the moles of propane

Moles of propane = \frac{42.8}{44.096} g.mol-1

                            = 0.971 moles

So, moles of CO2 from the moles of propane

1 mole of C3H8(g) = 3 moles of CO2(g)

So, 0.971 moles of C3H8(g) = ?

= 2.913 moles of CO2

So theoretical yield = 2.913 moles \times 44.0 g/mol

                               = 128.2 g

So, the actual mass of CO2 = percent yield \times  theoretical yield / 100 %

                                         = 61.0 % \times  128.2 g / 100 %

                                         = 78.2 g

the mass of CO2 that can be produced if the reaction of 42.8 g of propane and sufficient oxygen has a 61.0 % yield is 78.2 g

4 0
3 years ago
What is the chemical formula of the ionic compound sodium acetate?
valentina_108 [34]

Answer:

The correct answer is option A

4 0
2 years ago
How many moles of n are in 0.225 g of n2o?
katrin2010 [14]
<span>First, divide the mass of N2O by it's molar mass of 46 g/mol to determine the number of moles of N2O, then multiply that number by two since there are two moles of N in each mole of the compound N2O. This results in a final answer of 9.78X10^-3 moles of N in 0.225g of N2O.</span>
5 0
3 years ago
In the dilution equation, what does the "M₂" stand for?
SCORPION-xisa [38]

Answer:

molarity of the diluted substance you want to make

Explanation:

Their is really no explanation, you just have to know.

- Hope that helped! Please let me know if you need further explanation.

6 0
3 years ago
A 3.5L container has a gas pressure of 5.3atm. If the volume is decreases to 1.4L. What will be the new pressure inside the cont
Nat2105 [25]

Answer:

your answer for that problem is 34.5

8 0
3 years ago
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