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guapka [62]
3 years ago
5

Ionic compounds are electrically overall thereofre the sum of

Chemistry
1 answer:
Setler79 [48]3 years ago
6 0
<span>substances consisting of ions held together by electrostatic attraction

</span>
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Consider the following reaction: 2CH3OH ---&gt; 2CH4+O2 delta H= +252.8kJ. Calculate the amount of heat transferred when 22.0g o
nydimaria [60]
To calculate the amount of heat transferred when an amount of reactant is decomposed, we must look at the balanced reaction and its corresponding heat of reaction. In this case, we can see that 252.8 kJ of heat is transferred per 2 moles of CH3OH used. When 22 g of CH3OH is used, 86.9 kJ is absorbed. 
4 0
2 years ago
1. How many moles of CO2 can be produced from a reaction of 10.0 moles CzHg?
mr_godi [17]

Answer:

20 moles of CO2 can be produced from a reaction of 10.0 moles C2H6

Explanation:

In this reaction -

2 moles of C₂H6 produces four molecules of Carbon dioxide (CO2)

So 1 mole of C₂H6 will produce \frac{4}{2} = 2 moles of Carbon dioxide (CO2)

Thus, 10 moles of C₂H6 will produce 2 * 10 = 20 moles of Carbon dioxide (CO2)

3 0
3 years ago
*Fill in the blank about the periodic table*
Anastaziya [24]

Atomic number equals the number of protons or electrons. Atomic mass equals the number of protons and neutrons

7 0
3 years ago
Which describes the relationship between [H+] and [OH−] ?
jarptica [38.1K]
For a neutral solution,
[H+][OH-] = 1 x 10⁻¹⁴
7 0
3 years ago
Hydrogen chloride decomposes to form hydrogen and chlorine, like this. Also, a chemist finds that at a certain temperature the e
Jobisdone [24]

Answer:

0.595

Explanation:

Let's consider the decomposition of hydrogen chloride.

2 HCl(g) ⇄ H₂(g) + Cl₂(g)

The pressure equilibrium constant (Kp) is equal to the product of the partial pressure of the products raised to their stoichiometric coefficients divided by the product of the partial pressure of the reactants raised to their stoichiometric coefficients.

Kp = pH₂ × pCl₂ / pHCl²

Kp = 77.9 × 54.4 / 84.4²

Kp = 0.595

8 0
3 years ago
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