CH3COOH mc015-1.jpg CH3COO– (aq) + H+(aq) What will happen to the chemical equilibrium of the solution if CH3COONa is added?

Answers

Answer 1

Answer: The equilibrium will shift to the left or the backward reaction since addition of CH3COONa will add more CH3COO- ions to the solution. The formation of reactants are promoted.

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A 1170.-gram sample of NaCl() completely reacts, producing 460. grams of Na(). What is the total mass of Cl2(g) produced?

Answers

2 NaCl --------> 2 Na + Cl₂

2 mol * 23 g Na = 46 g

2*35,5 g Cl = 71

46 g Na --------- 71 g Cl₂
460 g Na -------- ?

mass ( Cl₂) = 460 . 71 / 46

Mass (Cl₂) = 32660 / 46

m= 710 g of Cl₂

hope thips helps

Redox reaction definition

Answers

A redox reaction involves the transfer of electrons between two chemical compounds. It has an oxidizing and reducing reaction with a reducing and oxidizing reagent respectively. Oxidation is the loss of electrons while reduction is the gain of electrons.

Assuming 100% dissociation, calculate the freezing point and boiling point of 2.59 m K3PO4(aq).

Answers

Answer:

$T_f=19.3^oC\nT_b=105.3^oC$

Explanation:

Hello,

In this case, it firstly necessary to understand how the complete (100%) dissociation of the potassium phosphate is done:

$K_3PO_4(aq)\rightarrow 3K^+(aq)+PO_4^(-3)(aq)$

In such a way, since the freezing point depression and the boiling point elevation are computed as:

$(T_f-T_(pure))=i*m*K_f$

$(T_b-T_(pure))=i*m*K_b$

The corresponding van't Hoff factor is four as 3 potassiums and 1 phosphate as ions are obtained during the dissolution. In addition, the freezing point depression constant and boiling point elevation constant of water are 1.86 and 0.512 °C/m respectively. Moreover, the freezing point of water is 0 °C and the boiling point is 100 °C, therefore, the resulting freezing and boiling temperatures for the 2.59 m solution of potassium phosphate are:

$T_f=0^oC+4*2.59m*1.86^oC/m\nT_f=19.3^oC\n\nT_b=100^oC+4*2.59m*0.512^oC/m\nT_b=105.3^oC$

Best regards.

The freezing point can be obtained from the formula Tf= Tf (solvent)- Kf* m* n. Kf of water is 1.85 C/m. n is equal to 4 since there are 4 ions dissociated. Tf (solvent) is 0 C. Hence, Tf is -19.27 C. The boiling point can be obtained from the formula Tb= Tb(solvent)+ Kb* m* n where Kb is 0.512 C/m. Tb (solvent)Tb is 100 C. Tb then is 105.30 C.

How do you convert L to mL

Answers

Answer:1 Liter (L) is equal to 1000 milliliters (mL). To convert liters to mL, multiply the liter value by 1000. For example, to convert 2 liters to mL, multiply 2 by 1000, that makes 2000 mL is 2 L.

Explanation:

Which type of reaction occurs in the following? 2HgO(s) 2Hg(l) + O2(g)A.a decomposition reaction in which a metal is reduced
B.an acid-base neutralization reaction to produce oxygen gas
C.a displacement reaction involving two metals
D.a combustion reaction involving burning a metal in oxygen

Answers

In this reaction, reactant HgO decomposed into more than one products and reaction is called decomposition. Hg in HgO has oxidation number of +2 whereas oxidation number of Hg in product side is zero( zero because Hg is in its elemental form) so Hg is reduced. Hence option A is correct.

what is decomposition ?

Decomposition can be defined as the “to break down” of complex substance or organic matter into a simpler inorganic matter.

It is one of the essential processes of the ecosystem, decomposition is a metabolic process which take up raw materials in the form of complex compounds, processing it and then converting it into simpler compounds.

some of the Bacteria, fungi and a few other microorganisms are involve in the process of decomposition as feed on dead organisms to survive.

in this process decaying and dead animals and plants serve as the raw materials undergo breakdown process and produces nutrients, carbon dioxide, and water; Microbes which involve in this process collectively known as saprophytes.

For more details regarding decomposition, visit

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In this reaction, reactant HgO decomposes into more than one products hence reaction is called decomposition.Hg in HgO has oxidation number of +2 whereas oxidation number of Hg in product side is zero( zero because Hg is in its elemental form) so Hg is reduced. Hence A is correct option.

Hunter wants to measure the weight of a dumbbell.he should A. use a beaker with water and record the weight in N.
B. use a scale and record the weight in CM.
C.use a beaker with water and record the weight in CM.
D. use a scale and record the weight in N.

Answers

He should use a scale and record the weight in N. The beaker is used for liquid measurement and the scale is used for measuring sold things. A dumbbell is not a liquid material that is why the need of the scale will give it the accurate measurement that Hunter wants to know.

Answer:

use a scale and record the weight in N.

Explanation:

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