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olga2289 [7]
4 years ago
7

Write an equation that represents the action in water of perchloric acid as an Arrhenius acid.

Chemistry
1 answer:
mote1985 [20]4 years ago
7 0

Answer:

HClO₄  →  H⁺  +  ClO₄⁻

Explanation:

Arrhenius acids produce protons when dissolved in aqueous solutions.

Since acids dissociate, they generate protons and a certain anion.

As they give protons to the medium, they can be considered Arrhenius acids.

The equation for perchloric acid is:

HClO₄  →  H⁺  +  ClO₄⁻

One mol of perchloric can produce 1 mol of protons and 1 mol of chlorate anion.

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One of the characteristics of an acid-base reaction is that this type of reaction forms water true or false
Julli [10]

True! Acid-base reactions will always form water and a salt (not necessarily table salt, though!).


4 0
3 years ago
A glucose solution has a density of 1.02g/mL. what is the specific gravity?
Bond [772]

Answer:- Specific gravity of glucose solution is 1.02.

Solution:- Specific gravity is the ratio of the compound density with water density, means how denser the compound solution is as compared to water.

specific gravity = \frac{glucose density}{water density}

density of glucose is given as 1.02 g per mL and water density is 1.00 g per mL.

Let's plug in the values in the formula:

specific gravity = \frac{1.02}{1.00}  = 1.02

So, the specific gravity of glucose is 1.02. It indicates that glucose is 1.02 times more denser than water.

4 0
3 years ago
Explain why a solid expands when is is heated​
BARSIC [14]

Answer:

When a solid object is heated, it expands. This happens because the atoms in the object start vibrating or moving faster.

Explanation:

<u><em>If you need a longer explanation, let me know! If not, I hope I helped. </em></u>

5 0
3 years ago
Consider the following reaction between mercury(II) chloride and oxalate ion.
Alina [70]

<u>Answer:</u> The rate law of the reaction is \text{Rate}=k[HgCl_2][C_2O_4^{2-}]^2

<u>Explanation:</u>

Rate law is defined as the expression which expresses the rate of the reaction in terms of molar concentration of the reactants with each term raised to the power their stoichiometric coefficient of that reactant in the balanced chemical equation.

For the given chemical equation:

2 HgCl_2(aq.)+C_2O_4^{2-}(aq.)\rightarrow 2Cl^-(aq.)+2CO_2(g)+Hg_2Cl_2(s)

Rate law expression for the reaction:

\text{Rate}=k[HgCl_2]^a[C_2O_4^{2-}]^b

where,

a = order with respect to HgCl_2

b = order with respect to C_2O_4^{2-}

Expression for rate law for first observation:

3.2\times 10^{-5}=k(0.164)^a(0.15)^b  ....(1)

Expression for rate law for second observation:

2.9\times 10^{-4}=k(0.164)^a(0.45)^b  ....(2)

Expression for rate law for third observation:

1.4\times 10^{-4}=k(0.082)^a(0.45)^b  ....(3)

Expression for rate law for fourth observation:

4.8\times 10^{-5}=k(0.246)^a(0.15)^b  ....(4)  

Dividing 2 from 1, we get:

\frac{2.9\times 10^{-4}}{3.2\times 10^{-5}}=\frac{(0.164)^a(0.45)^b}{(0.164)^a(0.15)^b}\\\\9=3^b\\b=2

Dividing 2 from 3, we get:

\frac{2.9\times 10^{-4}}{1.4\times 10^{-4}}=\frac{(0.164)^a(0.45)^b}{(0.082)^a(0.45)^b}\\\\2=2^a\\a=1

Thus, the rate law becomes:

\text{Rate}=k[HgCl_2]^1[C_2O_4^{2-}]^2

3 0
3 years ago
Which salt is most soluble at 10°C?
serg [7]

Answer:

KI

Explanation:

7 0
3 years ago
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