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3 years ago

If mercury (II) oxide is heated and decomposes, what would the product of the reaction be? 4HgO → 4 + 2O2

Chemistry

2 answers:

Nikolay [14]3 years ago

8 0

Answer:

here's the answer

Explanation:

kaheart [24]3 years ago

6 0

Answer:HG

Explanation:just did it

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Balancing equations

eduard

For fine have to usual

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3 years ago

Oxygen has 8 plus-charged protons. The number of minus-charged electrons is

DiKsa [7]

A single oxygen has atomic number 8 that means the nuclei of all oxygen atoms have eight protons. The number of minus-charged electron is two but the number of electrons is 10. To gain a minus two-charge ion, it must have two more negative electrons than positive charged protons. With this, the ion has 10 electrons, which give it a -2 net charge.

6 0

3 years ago

Question 6: The Ideal Gas Law (7 points) a. What is the mathematical equation for the ideal gas law? Identify each variable and

azamat

The mathematical equation for the ideal gas law is PV = nRT.

<h3>What is an ideal gas equation?</h3>

The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).

(A)

PV = nRT

The ideal gas equation is formulated as: PV = nRT. In this equation, P refers to the pressure of the ideal gas, V is the volume of the ideal gas, n is the total amount of ideal gas that is measured in terms of moles, R is the universal gas constant, and T is the temperature.

(B)

Where the pressure - P, is in atmospheres (atm) the volume - V, is in liters (L) the moles -n, are in moles (m) and Temperature -T is in Kelvin (K) as in all gas law calculations.

(C)

A. Boyle's law

B. Charles's law

C. Avogadro's law

D. Dalton's law

____ $- P_1V_1$ = $P_2 V_2$

____ $\frac{V}{T}$ = k

____ $\frac{V_1}{T_1}$ = $\frac{V_2}{T_2}$

____ V = kn

____ PV = k

____- P total = $P_1 + P_2 + P_3 + ...$

Boyle's law $- P_1V_1$ = $P_2 V_2$

Charles's law - $\frac{V}{T}$ = K

Charles's law - $\frac{V_1}{T_1}$ = $\frac{V_2}{T_2}$

Avogadro's law- V = kn

Boyle's law - PV = k

Dalton's law - P total = $P_1 + P_2 + P_3 + ...$

Learn more about the ideal gas law here:

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2 years ago

2H2(g) + O2(g) mc001-1.jpg 2H2O(g)

Aleks [24]

The answer is a) by increasing the temperature of the reactants.

6 0

3 years ago

Read 2 more answers

(a) What is the charge density of an ion, and what two properties of an ion affect it?

olga nikolaevna [1]

Charge density is the ratio of the charge of ions to the volume of ions.

<h3> Factor affecting charge density</h3>

It depends on the following properties of ion as

Charge on the ion.
Volume of the ions.

The lithium ion, Li⁺, has half of the radius of the potassium ion, K⁺. That is why, Li⁺ have a electric field 4 times stronger than the electric field of K⁺ and thus it have 4 times stronger force of attraction.

All the ions: Li⁺, Na⁺, K⁺, Rb⁺, Cs⁺, have the similar electric charge +1.6×10⁻¹⁹ C. As we know that, volume is directly proportional to the third power of their radius. Therefore, smaller ions have less charge density than bigger one.

We can say that charge density decreases down across period due to decrease in the radius which further reduces the volume of ions.

Charge density increases along group due to increase in the radius which further increases the volume of ions.

Thus, we can say that charge density depends on the charge and volume of the ions.

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2 years ago