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Ksivusya [100]
2 years ago
12

Calculate the Molarity when 14.6 g Ethanol (C2H5OH) is dissolved in a 2.10 L solution.

Chemistry
1 answer:
Nana76 [90]2 years ago
5 0
The molarity is 0.151 mol/L
Hope it helps.
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State how many mole ratios can be written for a reaction involving three substances.
Harrizon [31]
It's one ratio per substance so say if you had N2 + 3H2 > 2NH3 (chemical equation for the synthesis of ammonia) just look at the number coefficients(for 3H2 the coefficient would be 3  and for 2NH3 the coefficient would be 2 and so on)So it  would take 1mole of nitrogen to react with 3 moles of hydrogen In order to produce 2 moles of ammonia  so there would be 6 ratios you could write comparing two substances at a time In a reaction involving 3 substances ^^; hope this helps somewhat ^^;
6 0
3 years ago
Calculate the energy required to produce 6.0 moles of Cl2O7 using the following reaction 2 Cl2 + 7 O2 + 130kcal -> 2 Cl207
PilotLPTM [1.2K]

Answer:

455 Kcal

Explanation:

2Cl2(g) + 7O2(g) + 130kcal → 2Cl2O7(g)

Rearranging we get,

2Cl2(g) + 7O2(g)  → 2Cl2O7(g) Δ H = 130 kcal . mol⁻¹

So for per mol reaction will be as above.

In case of 7 mols of product, we need 7/2 mole ratio x 130 = 455 Kcal

5 0
2 years ago
What is found furthest from the center of an atom
levacccp [35]
The answer is a electron. I hope that helps
7 0
3 years ago
Need help fast please I am timed and giving 47 points.
Leokris [45]

Answer:

C

Explanation:

6 0
3 years ago
Read 2 more answers
What is the final volume (l) of a 10.0 l system that has the pressure quartered?
mihalych1998 [28]
According to Boyle's Law, P1V1 = P2V2

where P1 and V1 are initial pressure and volume respectively. P2 and V2 are final pressure and volume receptively.

Given: P2 = 4 P1 and V1 = 10.0l

∴ V2 = 2.5 l

Answer: Final volume of system is 2.5 l


5 0
2 years ago
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