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allochka39001 [22]
3 years ago
6

What is the relative atomic mass of ,A of X?

Chemistry
1 answer:
Fed [463]3 years ago
7 0
11 A n 8 g sample of oxygen atoms contains the same number of atoms as 16 g of element x. 
The question does not make sense. does it mean 11 g of A with 8 g Oxygen and 16 g X with 8 g Oxygen.

Does not make sense
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The types of nuclear reactions are fission , fusion , what else
Mrrafil [7]
And also explosion tha is another type
3 0
3 years ago
Which of these describes something a civil engineer would design?
pishuonlain [190]

Answer:

<em>The correct option is B) a bridge to connect two landmasses over a stretch of water.</em>

Explanation:

A civil engineer is a person who deals with the designing and construction of infrastructure projects like the construction of roads, buildings, bridges, airports, tunnels etc. Civil engineering is one of the most oldest disciplines in engineering and it is broken into many sub-disciplines. A civil engineer might work for a private or a government-based organization. Hence, among the options mentioned in the question, the construction of a bridge is the most likely function of a civil engineer.

6 0
3 years ago
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The equation for the synthesis of ammonia is below. How many moles of H 2 are
kkurt [141]

Moles of H₂ are needed to produce 9.33 moles of NH₃ : 13.995

<h3>Further explanation</h3>

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products.

The reaction coefficient in a chemical equation shows the mole ratio of the reactants and products

Reaction for the synthesis of ammonia :

N₂+3H₂⇒2NH₃

moles of NH₃ = 9.33

From equation, mol ratio of H₂ : NH₃ = 3 : 2, so mol H₂ :

\tt =\dfrac{3}{2}\times 9.33\\\\=13.995

4 0
3 years ago
At top, Image 1 shows 2 C's connected by 2 lines. Each C is connected by single lines to 2 H's. At bottom, two dots and 12 C's i
Nana76 [90]

Answer: c

Explanation: Trust me

6 0
2 years ago
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Mechanical advantage = load/_______​
arlik [135]

Answer:

Mechanical advantage = load/<u>effort</u>

Explanation:

Mechanical advantage is like a ratio of load to effort and many machines like pulleys depend on this relationship between load and effort for it to work.

8 0
3 years ago
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