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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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If 0.251moles of H2O gas are produced, how many liters of oxygen gas was used?
Alborosie

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o.251 prduces 45.7L of oxogen

Explanation:

hope this helps

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3 years ago
What is the solubility product expression for Ag2CO3
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<span> Ksp = [Ag+]^2[CO32-]that should be it </span>
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If 11.5 ml of vinegar sample (d=1g/ml) is titrated with 18.5 ml of standardized Sodium hydroxide
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4.83% of acetic acid in the vinegar

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3 years ago
How many moles are there in 32.4 grams of Na
Natalija [7]
Divide that my the molar mass which is 23 so 1.4087 g
8 0
3 years ago
13
kifflom [539]

Answer:

Cultural Pest Control.

Explanation:

The cultural pest control is one of the oldest methos of pest control. This form of pest control is less practiced these days since curative form of pest control methods have been invented. The cultural pest control method is a preventive method of managing pest population. This pest control method takes long days of planning and execution.

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Thus the correct answer is the third option.

8 0
3 years ago
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