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ipn [44]
2 years ago
15

Cornstarch, a carbohydrate consisting of hydrogen, carbon, and oxygen

Chemistry
1 answer:
Dennis_Churaev [7]2 years ago
8 0

Answer:

ionic

Explanation:

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A 40.0 L balloon is filled with air at sea level (1 atm @ 25 oC). It is then tied to a rock and thrown into a cold lake and it s
velikii [3]
To solve this question you need to calculate the number of the gas molecule. The calculation would be:
PV=nRT
n=PV/RT
n= 1 atm * 40 L/ (0.082 L atm mol-1K-<span>1 * 298.15K)
</span>n= 1.636 moles

The volume at bottom of the lake would be:
PV=nRT
V= nRT/P
V= (1.636 mol * 277.15K* 0.082 L atm mol-1K-1 )/ 11 atm= <span>3.38 L</span>
8 0
2 years ago
How many moles are in 4561 g of C3H7OH?
d1i1m1o1n [39]

Answer: 76.017 moles

Explanation:

3 0
2 years ago
4. What will be the most effective means of increasing the dissolving<br>rate of sugar in water?​
trasher [3.6K]

Answer:

The best mean is heating the solution

3 0
2 years ago
Read 2 more answers
I will mark brainliest<br> What are dams? How do they help conserve water?
Gre4nikov [31]

Answer: what are dams?

A dam is a barrier that stops or restricts the flow of water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation.

how does it conserve water?

well there could be many ways it can conserve water but I will tell you the most important.

When the water level increases they open gates in order to send out water. These dams allow us to store and not to drain water into oceans soon. A DAM is a barrier constructed to hold back water and raise its level

Explanation:

I hope this helps plz click the heart and mark me braines!

have a wonderful day!

7 0
2 years ago
An explanation for a broad of observation, facts, and tested hypothses is called a
nikitadnepr [17]

Answer:

that's is a theory

Explanation:

hope it may help you

4 0
2 years ago
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