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lara [203]
3 years ago
10

How many moles of KClO3 are needed to produce 480 grams of O2?

Chemistry
1 answer:
gayaneshka [121]3 years ago
5 0

Answer:

2:3

You'd need 33.3 moles of potassium chlorate, KClO3 , to produce that much oxygen. Notice that you have a 2:3. mole ratio between potassium chlorate and oxygen gas, which means that, regardless of how many moles of the former react, you'll always produce 3/2 times more moles of the latter.

Explanation:

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Match each land resource to its use.
finlep [7]

Answer:

Explanation:

We are to match each land resource to what they are being used for.

Clay             →→→  used to make pottery and tiles

iron ore       →→→  used to make steel

Salt              →→→   used as a flavoring in food

aggregate   →→→   used in construction

graphite       →→→ used to make batteries

Clay is a kind of soil particle that forms as a result of weathering processes. Examples include; pottery clays, glacial clays, and deep-sea clays e.t.c. The presence of one or more clay minerals, as well as variable quantities of organic and detrital components, characterizes all of them. Clay is usually sticky and moist when wet, but hard when dry. They are used in the making of tiles and potteries.

Iron ore:  The iron ore deposits are found in the Earth's crust's sedimentary rocks. They're made up of iron and oxygen that mix during the chemical process in marine and freshwater. iron ores are used to produce almost every iron and steel product that we use today.

Aggregate: are utilized in construction activities. It is a material used to mix cement, gypsum, bitumen, or lime to produce concrete in the construction industry.

Graphite: Graphite is a mineral that occurs in both igneous and metamorphic rocks. It is generally generated on the earth's surface when carbon is exposed to high temperatures and pressures. It is mainly used in the production of batteries and electrodes,

3 0
3 years ago
If a man is 50 years old how many times would he go around the sun on mecury
ValentinkaMS [17]
It only takes mercury 88 days to go around the sun, and if the man is 50 years old he would be 18,250 days old, so he would've gone around the sun 207.39 times.
5 0
3 years ago
How many atoms are in you
kari74 [83]
Assuming the person has about 154 pounds (70kg) the weight of an average human. There would be around 7000000000000000000000000000 atoms
or 7 x 10^27
5 0
4 years ago
SOMEONE HELP! With these 2
Setler [38]

Answer: <u><em>THE SECONED ONE</em></u>

Explanation:

7 0
3 years ago
What happens to sodium sulphate in water​
kirza4 [7]

Answer:

It dissolves into the water

Na₂SO₄ + H₂O → 2Na₊_{aq} + SO₄²-_{aq}

Hope this helps :)

Have a great day !

5INGH

Explanation:

6 0
3 years ago
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