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Rina8888 [55]
3 years ago
7

What is the speed of sound in dry air at 20°C?

Chemistry
1 answer:
Lubov Fominskaja [6]3 years ago
4 0
343 meters per second
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Chemical formula for aluminum hydroxide is Al(OH)3 which of the following is true aluminum
frozen [14]
The answer to yo question is ( it has three OH groups). 
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4 years ago
The balanced equation below shows the products that are formed when butane (C4H10) is combusted.
Nataly [62]

Answer:

2:8

Explanation:

The reaction equation is a given as:

         2C₄H₁₀   +    130₂   →    8CO₂     +     10H₂O  

From the reaction equation, the mole ratio is 2:8

Butane is C₄H₁₀

Carbon dioxide CO₂

From the reaction;

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3 0
3 years ago
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How many grams of sodium nitrate (NaNO2) will dissolve in 100g of water at 20°C?​
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88g ( so sorry if this isn’t correct )
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3 years ago
In the article "A Sea of Garbage" what message is each cartoon trying to convey to readers? Do they succeed?
sertanlavr [38]

Answer:

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3 years ago
The reaction NA3PO4(aq) + 3 AgNO3(aq) → Ag3PO4() + 3NaNO 3( aq) is best classified as a(n)?
Natasha2012 [34]

Answer:

Double replacement reaction.

Explanation:

The Na and Ag atoms both (double) trade places (replacement) with each other.  

8 0
2 years ago
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