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creativ13 [48]
3 years ago
13

2) You water three sunflower plants with salt water. Each plant receives a different

Chemistry
1 answer:
hichkok12 [17]3 years ago
3 0

Answer:

the sunflower grow four

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Using the periodic table, choose the more reactive metal. Ta or V Ta​
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V Ta is more reactive, hope this helps!

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Besides plants, do other organism get their energy directly from the Sun?<br> yes or no
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yes they doExplanation:

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A compound possessing a carboxylic acid produces a yellow solution when dissolved in diethyl ether. This yellow solution is tran
Serga [27]

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A. The top layer will be diethyl ether, and the top layer will be yellow.

Explanation:

The purpose of the addition of the saturated aqueous solution of polar solvents like sodium chloride in the liquid-liquid extraction techniques is to remove as well as separate any kind of water which may be dissolved in the ether. Water and sodium chloride are both polar and thus, they forms the bottom layer and only ether forms the top layer. The compound being organic and is colored is in the top layer with the ether.

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3 years ago
How can you tell if a electron configuration is ground state or excited state?
scZoUnD [109]
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8 0
3 years ago
Given that cao(s) + h2o(l) → ca(oh)2(s), δh°rxn = –64.8 kj/mol, how many grams of cao must react in order to liberate 525 kj of
USPshnik [31]

Answer:

454.3 g.

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  • From the given data:

1.0 mol of CaO liberates → – 64.8 kJ.

??? mol of CaO liberates → - 525  kJ.

∴ The no. of moles needed = (1.0 mol)(- 525 kJ)/(- 64.8 kJ) = 8.1 mol.

<em>∴ The no. of grams of CaO needed = no. of moles x molar mass</em> = (8.1 mol)(56.077 g/mol) = <em>454.3 g.</em>

8 0
3 years ago
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