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2 years ago

Easy Question. Will mark brainliest

Chemistry

1 answer:

Xelga [282]2 years ago

8 0

Answer:

Their components

Explanation:

It's simple enough, the components in carbon dioxide and carbon monoxide both have at least one carbon and one oxygen atom. However, they differ because their amount in the molecules is different, and that is because of their covalent bonds. Carbon dioxide has to double electron bonds while carbon monoxide has a rare triple electron bond.

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Sylvanite is a mineral that contains 28.0% gold by mass. How much sylvanite would you need to dig up to obtain 73.0 g of gold?

Scorpion4ik [409]

You would have to dig up 261 g of sylvanite.

Mass of sylvanite = 73.0 g Au × (100 g sylvanite/28.0 g Au) = <em>261 g</em> sylvanite.

3 0

2 years ago

Carvone is a substance that occurs in two forms having different arrangements of the atoms but the same molecular formula (c10h1

Korvikt [17]

The molecular mass of Carvone is calculated as;

= 12 (C)₁₀ + 1.008 (H)₁₄ + 16 (O)

= 120 + 14.112 + 16

= 150.112

%age of Carbon;

= (120 ÷ 150.112) × 100

= 79.94 %

%age of Hydrogen;

= (14.112 ÷ 150.112) × 100

= 9.40 %

%age of Oxygen;

= (16 ÷ 150.112) × 100

= 10.65 %

7 0

2 years ago

Question 3 of 5

rusak2 [61]

Answer:

A. More mass

C. Shorter distance between them

Explanation:

The two characteristics of a body experiencing greater gravitational force are that they have mass and a shorter distance between them.

This is conformity with Newton's law of universal gravitation.

The law states that "every object attracts one another with a force that is directly proportional to their masses and inversely proportional to the square of the distance between them".

This law implies that the more the mass of two bodies, the more the gravitational force of attraction. And that the shorter the square of the distance between them, the more the attraction.

7 0

2 years ago

How many theoretical plates produce a chromatography peak eluting at 12.83 min with a width at half-height of 8.7 s

GrogVix [38]

Answer-Figure P38.63a
is a three-dimensional sketch of a birefringent crystal. The dotted lines illustrate how a thin, parallefaced slab of material could be cut from the larger specimen with the crystal’s optic axis parallel to the faces of the plate.”

Sorry if it’s it correct

4 0

1 year ago

Which electron configuration represents the

Pachacha [2.7K]

This problem is asking for the electron configuration of an excited atom of gallium, which according to the group it is, its excited state will theoretically be Ga³⁺, since it is a metal and loses three or less electrons, that is why it turns out positive. After writing the electron configuration, we realize the answer must be 2-8-17-4 according to the following:

<h3>Electron configurations:</h3><h3 />

In chemistry, electron configurations allow us arrange the electrons of an element according to specific energy levels and orbitals. In such a case, it turns out possible to write Gallium's electron configuration in its ground-state as follows:

$1s^22s^22p^63s^23p^64s^23d^{10}4p^1$

However, since the given choices do not match with a charge of 3+ as formerly explained, we assume this gallium atom will be excited to 1+, due to the fact that the third energy level comprising 18 electrons, will give one to the fourth energy level, turning out in an electron configuration of:

$1s^22s^22p^63s^23p^64s^23d^{9}4p^2$

Which matches with 2-8-17-4 as two electrons are present in the first energy level, eight in the second one, now seventeen in the third one and four in the fourth one.

Learn more about electron configurations: brainly.com/question/5524513

5 0

2 years ago