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wolverine [178]
3 years ago
8

What type of igneous rock has large crystals

Chemistry
1 answer:
VARVARA [1.3K]3 years ago
5 0
Extrusive rock because it takes longer to cool, making the crystal size larger
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According to the table, which gas would be least efficient-that is, have the least heat-storing ability--for transferring heat f
aalyn [17]

Answer:

<u>Oxygen</u>

Explanation:

If we had the same question then the table would've given the specific heat for these gases:

Water (steam) | 2.08

Air (25°C) | 1.01

Oxygen | 0.92

Hydrogen | 14.30

Out of these options, oxygen has the lowest specific heat and so it has the least heat-storing ability of the group.

7 0
3 years ago
Urea (CH4N2O) is a common fertilizer that can be synthesized by the reaction of ammonia (NH3) with carbon dioxide as follows:
Nezavi [6.7K]

The theoretical yield of urea : = 227.4 kg

<h3>Further explanation</h3>

Given

Reaction

2NH3(aq)+CO2(aq)→CH4N2O(aq)+H2O(l)

128.9 kg of ammonia

211.4 kg of carbon dioxide

166.3 kg of urea.

Required

The theoretical yield of urea

Solution

mol Ammonia (MW=17 g/mol)

=128.9 : 17

= 7.58 kmol

mol CO₂(MW=44 g/mol) :

= 211.4 : 44

= 4.805 kmol

Mol : coefficient of reactant , NH₃ : CO₂ :

= 7.58/2 : 4.805/1

=3.79 : 4.805

Ammonia as limiting reactant(smaller ratio)

Mol urea based on mol Ammonia :

=1/2 x 7.58

=3.79 kmol

Mass urea :

=3.79 kmol x 60 g/mol

= 227.4 kg

3 0
3 years ago
AgNO2+Na3PO4<br><br> Solve and predict if its a precipitate
ASHA 777 [7]
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4 0
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What charge would Balloon #2 have? How did you determine this?
tigry1 [53]

Answer:I belive it would be attracted seeing as how there are more magmatic charges on that side of no 2 and how there are more positive charges on the middle side of ballon no1.

Explanation:

4 0
3 years ago
PLSS HELP! The gas carbon dioxide is a pure substance. Which of the following is true about carbon dioxide? (4 points)
Nadusha1986 [10]

Answer:

The answer is option A..

5 0
3 years ago
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