Which statement best describes the formula equation Cl2(g) + 2KBr(aq) mc014-1.jpg 2KCl(aq)+ Br2(l)?A Carbon iodide reacts with potassium bromide to form potassium carbon iodide and bromine.
B Bromine gas reacts with a solution of potassium chloride to form potassium bromide and chlorine gas.
C Potassium bromine gas reacts with liquid chlorine to form potassium chloride in solution and bromine gas.
D Chlorine gas reacts with potassium bromide to form potassium chloride in solution and liquid bromine.

Answers

Answer 1

Answer: The statement that describes the chemical reaction is D chlorine gas reacts with potassium bromide to form potassium chloride in solution and liquid bromide. The symbol "Cl" represents chlorine. The symbols in the brackets show the physical state of the substance, (g) is gaseous, (s) is solid, (aq) is aqueous and (l) is liquid.

Answer 2

Answer: Chlorine gas reacts with potassium bromide to form potassium chloride in solution and liquid bromine.

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If you want to make 0.5 L of a 0.01 M solution of bromine (Br2) in water, how much bromine would you need? A. 0.8 grams. . B. 0.8 moles. . C. 1.6 grams. . D. 1.6 moles.

Based on reactivity, which of the following elements can replace iron (Fe) in a compound during a single replacement reaction?Al
Cu
F
Co

Answers

Answer: Option (a) is the correct answer.

Explanation:

Based on reactivity series, the reactivity of some metals in decreasing order is as follows.

Li, K, Ba, Ca, Mg, Al, Mn, Zn, Cr, Fe, Co, Ni

Thus, it can be seen that Al is more reactive than Fe, so it will replace iron in a single displacement reaction. Whereas cobalt is less reactive than iron hence, it will not replace Fe.

Fluorine being an anion will not replace a cation because in displacement reactions, only a cation can replace another cation and an anion can replace another anion.

Hence, we can conclude that Al will replace iron (Fe) in a compound during a single replacement reaction.

based on reactivity, the elements that can replace iron in a compound during a single replacement reaction would be :
Al

Because its higher than the other options in reactivity series

hope this helps

Which of the following is not a correct formula? A)Ba2O B)Ca3N2 C)KCl D)Li2S

Answers

Answer:- A. $Ba_2O$ is not the correct formula.

Explanations:- Charge for Ba is +2 and charge for O is -2, Here the charges are in equal and opposite so their ratio is 1:1 and hence the formula must be BaO and not $Ba_2O$ .

Rest of the formulas are correct as charge for Ca is +2 and charge for N is -3 . On criss cross we get the formula $Ca_3N_2$ .

Charge for K is +1 and charge for Cl is -1 and so KCl is correct.

Charge for Li is +1 and that for S is -2. On criss cross we get the formula $Li_2S$ .

What is the chemical reaction for Mg + NaOH also with the ionic equations and subscripts?

Answers

The chemical reaction for Mg + NaOH is

Mg (s) + NaOH (aq) -> Mg (OH)2 (s) + Na (aq)
s stands for solid, aq stands for aqueous

Which is defined as moles of solute per liter of solution?a. Molarity
b. Formality
c. Density
d. Molality
e. Normality

Answers

A. Molarity . Explaining about Moles

The answer is A. Molarity

Which elements in the periodic table are metalloids or have semimetallic properties

Answers

Hi There! :)

Which elements in the periodic table are metalloids or have semimetallic properties?

Boron, Silicon, Germanium, Arsenic, Antimony, and Polonium are all metalloids. Some people consider Astatine a metalloid

In which tool are uranium atoms split to make electricity?

Answers

I'm assuming this refers to nuclear fission, which is in fact used to create heat, causing steam to spin turbines.
In which case, Uranium atoms are split by absorbing neutrons inside the reactor of a nuclear power station.

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What is the KE of a 4kg mass, moving at 3m/sec?