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kvasek [131]
2 years ago
7

The ________________and ______________ of magma cause igneous rocks to form.

Chemistry
1 answer:
LekaFEV [45]2 years ago
6 0

Answer:

The solidifying/cooling and crystallizing of magma causes igneous rocks to form.

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All modern fertilizers use PO43- as a source of phosphorus. Use your knowledge of the old methods to determine the moles of phos
tamaranim1 [39]

Answer:

The answer is 0.023 moles of phosphorus

Explanation:

The 15-15-15 fertilizer is a fertilizer of great versatility, made with nitrogen, phosphorus and potassium, which makes it one of the fertilizers most used for fertilizer in the sowing plant, thus covering the crop requirements from planting. .

This fertilizer consists of 14.25% phosphorus pentoxide (P2O5). Therefore, we have to remove 14.25% at 10 grams of 15-15-15 fertilizer to calculate the moles of phosphorus. As follows:

Grams of P2O5 = 10 g x 0.1425 = 1.425 g

We calculate the molecular weight of phosphorus. We use the periodic table:

Phosphorus molecular weight = 2 x 30.97 = 61.94 g/mol

Now we calculate the moles of phosphorus in the fertilizer:

Phosphorus moles = 1,425 g/61.94 g/mol = 0.023 moles

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3 years ago
Which choice lists the correct order of the coefficients of each substance in the following neutralization reaction when the equ
Gnoma [55]
The third one you have listed 


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3 years ago
Sound is a _____ Wave because it cannot travel without a medium.
lord [1]

Answer:

It is a longitudinal wave.

Explanation:

Hope this helped.

5 0
3 years ago
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The secondary structure of a protein is distinct from the tertiary structure of a protein mainly because the secondary structure
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Answer:

False

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The primary structure of a protein refer to the amino acid sequence. The secondary structure of a protein refer to the alpha helices, beta sheets and turns, while the tertiary structure refer to folding of the sheets due to hydrogen bonding or other bonding interaction between them.

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________ are chemical messengers that are released by cells and transported in the bloodstream to alter the activities of specif
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