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olasank [31]
3 years ago
15

Why do you need a balanced equation for stoichiometry?

Chemistry
1 answer:
sashaice [31]3 years ago
4 0
To see the mole to mole ratio. If you have this then you see how many moles are used for other reactants/products in the equation
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A car travels 75 mi/hr. How many hours will it take to travel 837 km? (Pick the answer closest to the correct answer,
nlexa [21]

Answer:

6.9 hours

Explanation:

In order to solve this problem we'll<u> convert 837 km to miles</u> (another option would be to convert 75 mi/hr to km/hr). To make said conversion we'll use the given <em>conversion factor</em>:

  • 837 km * \frac{1mi}{1.61km} = 519.88 mi

Finally we <u>calculate the time required to travel said distance</u> at a constant speed of 75 mi/hr:

  • 519.88 mi ÷ 75 mi/hr = 6.9 hr
5 0
3 years ago
What product(s) are formed during this chemical reaction? (Will be two answers)
lianna [129]

Answer:

BK. BK. BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK

3 0
3 years ago
Define Conversion Factor in CHEMISTRY? Define Conversion Factor in CHEMISTRY
Artemon [7]
A conversion factor is a ratio (or fraction) which represents the relationship between two different units :)
8 0
3 years ago
Is a hollow tube that serves as passageway of air into the luns
KIM [24]

Answer:

The air that we breathe in enters the nose or mouth, flows through the throat (pharynx) and voice box (larynx) and enters the windpipe (trachea). The trachea divides into two hollow tubes called bronchi

Explanation:

7 0
3 years ago
Match each Earth and space science discipline to its description.
saul85 [17]

Astronomy

Geology

Environmental science

Explanation:

The study of the space around earth and the universe including meteoroids and galaxies that are trillion of miles away is called astronomy.

Astronomy has involves the study of everything in the universe. What started off as monitoring of star positions now uses sophisticated telescope and spacial probes to obtain information about the expanding universe.

Geology is a science that studies the earth rocky surface to determine when and how the earth formed and how its surface is constantly changing.

Our blue planets is a dynamic celestial body. Geology combines different disciplines like physics, biology, chemistry e.t.c to make meaning of the earth.

Environmental science is the study of complex interactions taking place between living organisms and earth's non-living systems.

It simply implies the interaction between living organisms and their environment.

Learn more:

Astronomical units brainly.com/question/12904051

Sedimentary rocks brainly.com/question/2740663

#learnwithBrainly

8 0
3 years ago
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