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suter [353]
3 years ago
9

Why are you so much older on Mercury?

Chemistry
2 answers:
Alinara [238K]3 years ago
4 0

Answer:As you can see from the very different numbers in the boxes above, your age changes (sometimes quite a lot) ... Mercury is the closest planet to the Sun and so has a smaller orbit path – it takes just 88 Earth days

Explanation:

guajiro [1.7K]3 years ago
4 0

Answer:

Its orbit around the Sun takes 87.97 days, the shortest of all the planets in the Solar System. While Earth orbits around the Sun in 365.256 solar days (a year)

Explanation:

I am not too sure about the question but im assuming you would be older because Mercury's orbit is way smaller than the sun as 87.97 days on Mercury is a year for Mercury. Hope that helps! :D

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What happens to the reactivity of metals from left to right across the periodic table?
Elina [12.6K]

The metals become less reactive.

3 0
3 years ago
2Ag + H2S ➞ Ag2S + H2
NeX [460]

Answer:

The correct answer is <em>C)  Two atoms of silver are needed to complete the reaction.</em>

Explanation:

The Law of Conservation of Matter postulates that "the mass is not created or destroyed, only transformed." This means that the reagents interact with each other and form new products with physical and chemical properties different from those of the reagents because the atoms of the substances are ordered differently. But the amount of matter or mass before and after a transformation (chemical reaction) is always the same, that is, the quantities of the masses involved in a given reaction must be constant at all times, not changing in their proportions when the reaction ends.

Then, taking into account the Law of Conservation of Matter, as an atom cannot be created or destroyed in a chemical reaction, the number of atoms that are present in the reagents has to be equal to the number of atoms present in the products.

For this, the chemical equation must be balanced. For that, you must first look at the subscripts next to each atom to find the number of atoms in each compound in the equation. If the same atom appears in more than one molecule, you must add its quantities. On the other hand, the coefficients located in front of each molecule indicate the amount of each molecule for the reaction. This coefficient can be modified to balance the equation, just as you should never alter the subscripts. By multiplying the coefficient mentioned by the subscript, you get the amount of each element present in the reaction.

In this case:

Left side: 2 silver  (Ag), 2 hydrogen (H) and 1 sulfur (S)

Right side: 2 silver  (Ag), 2 hydrogen (H) and 1 sulfur (S)

In this case the equation is balanced because you have the same amount of all the elements on each side of the reaction. And <u><em>the 2 in front of 2Ag indicates that,since silver is a reagent, two atoms of silver are needed to complete the reaction. (option C).</em></u>

4 0
3 years ago
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Color is not very helpful in mineral itdentification because
matrenka [14]
Some colours appear as white
7 0
3 years ago
What is the mass, in grams, of 6.11 mol of sulfur trioxide?
Kazeer [188]
It would be approximately 489 g, rounded for significant figures. The calculator given answer would be 489.20326. To get that, all you have to do is take your 6.11 moles and multiply it by 80.066 (the molar mass) divided by 1 mol to cancel out the unit. 
7 0
3 years ago
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Elements have similar characteristics?<br> Periodic TaBle<br> oF The Elements
Ann [662]

Answer:

See attachment.

Explanation:

Elements that are in the same group will definitely possess similar characteristics because they tend to have the same valence electron which determines their reactivity.

On a periodic table, elements in the same group can be found arranged on the same column in the periodic table.

Therefore the two elements that have similar characteristics are those two elements you can see on the same column in group 2. See the two elements indicated in the attachment below.

3 0
3 years ago
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