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2 years ago

What kind of decoration did artists use on Tutankhamen's throne?

Chemistry

2 answers:

natulia [17]2 years ago

7 0

Answer:

The artist used to decor the whole setup of the Tutankhamen's throne in more exquisite way, as they landed different ideas while having unique and majestic piece of art and power by having a ureaus n headdress on top of the throne or the place where the king used to sit. As the artists were interested in performing an outstanding work by including the sign of power and enlightenment in the form of sun disk's rays ending with hands. While, the wanted a different style or form of artistic work while consideing to arrange the structure of the throne for the King.

Temka [501]2 years ago

5 0

If there are options, they are b, c, and d. I've done this question in class before :)

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1. Copper (__) is an element on the periodic table.

user100 [1]

Answer: Cu

Explanation: It is Cu because the origin of the word Copper comes from the latin word "Cuprum".

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2 years ago

How many moles of O2 should be supplied to burn 1 mol of C3H8 (propane) molecules in a camping stove

Shkiper50 [21]

The combustion of any hydrocarbon yields water and carbon dioxide. We will now construct a balanced equation:

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

Each mole of propane requires 5 moles of oxygen.

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2 years ago

A compound that is composed of carbon, hydrogen, and oxygen contains 70.6% C, 5.9% H, and 23.5% O by mass. The molecular weight

zhannawk [14.2K]

Answer: The molecular formula will be $C_8H_8O_2$

Explanation:

If percentage are given then we are taking total mass is 100 grams.

So, the mass of each element is equal to the percentage given.

Mass of C= 70.6 g

Mass of H = 5.9 g

Mass of O = 23.5 g

Step 1 : convert given masses into moles.

Moles of C = $\frac{\text{ given mass of C}}{\text{ molar mass of C}}= \frac{70.6g}{12g/mole}=5.9moles$

Moles of H = $\frac{\text{ given mass of H}}{\text{ molar mass of H}}= \frac{5.9g}{1g/mole}=5.9moles$

Moles of O = $\frac{\text{ given mass of O}}{\text{ molar mass of O}}= \frac{23.5g}{16g/mole}=1.5moles$

Step 2 : For the mole ratio, divide each value of moles by the smallest number of moles calculated.

For C = $\frac{5.9}{1.5}=4$

For H = $\frac{5.9}{1.5}=4$

For O = $\frac{1.5}{1.5}=1$

The ratio of C : H: O= 4: 4:1

Hence the empirical formula is $C_4H_4O$

The empirical weight of $C_4H_4O$ = 4(12)+4(1)+1(16)= 68g.

The molecular weight = 136 g/mole

Now we have to calculate the molecular formula.

$n=\frac{\text{Molecular weight }}{\text{Equivalent weight}}=\frac{136}{68}=2$

The molecular formula will be= $2\times C_4H_4O=C_8H_8O_2$

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2 years ago

Salts and acids are examples of inorganic compounds called _____, which dissociate in water to release ions.

Blizzard [7]

Answer:

Salts and acids are examples of inorganic compounds called electrolytes.

Explanation:

Electrolytes are the substances which dissociates into ions when dissolved in water and due to this they are able to conduct electric current through them. These compounds in solid form does not conduct electricity due to the absence of free ions.

For example: Sodium chloride , sulfuric acid etc.

$NaCl(aq)\righarrow = Na^+(aq)+Cl^-(aq)$

$H_2SO_4(aq)\rightarrow SO_4^{2-}(aq)+2H^+(aq)$

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2 years ago

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4. A nuclear engineer is designing a nuclear reactor for a new power plant. The reactor core will have an operating temperature

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