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Paraphin [41]
3 years ago
13

I don't understand how to finish this table.can someone help me do this

Chemistry
1 answer:
Alex17521 [72]3 years ago
3 0

well what are the elments that it is wanting u to do this with (need more info about what it is asking

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Which of the following equations is balanced?
stiv31 [10]

Answer:

A) 4P + 5O₂  → 2P₂O₅

Explanation:

A) 4P + 5O₂  → 2P₂O₅

This equation is balanced. There are four phosphorus and ten oxygen atoms are on both side of equation.

B) 5P + 4O₂    →    2P₄O₅

This equation is not balanced. There are five phosphorus and eight oxygen atoms on left, eight phosphorus ten oxygen on right side of equation.

C) 2P + O₂    →      P₂O₅

This equation is not balanced. There are two phosphorus, two oxygen atoms on left and two phosphorus five oxygen on right side of equation.

D) 4P + 2O₂    →   2P₄O₅

This equation is not balanced. There are four phosphorus, four oxygen atoms on left and eight phosphorus ten oxygen on right side of equation.

4 0
3 years ago
Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO (s) + H 2O (l) → Ca(OH) 2 (s) In a p
Tomtit [17]

Answer:

The answer to your question is:  81%

Explanation:

Data

CaO = 2 g

Ca(OH)₂ = 2.14 g

Reaction balanced

                     CaO  +  H₂O   ⇒   Ca(OH)₂

                     

Molecular mass

Calcium oxyde = 40 + 16 = 56 g

Calcium hydroxide = 40 + 2 + 32 = 74 g

Process

Rule of three

                               56 g of CaO --------------   74 g of Ca(OH)₂

                                 2 g  of CaO -------------   x

                                 x = (2 x 74) / 56

                                x = 2.64 g of Ca(OH)₂

Percent yield

                         % Yield = \frac{2.14}{2.64}  x 100

                         % yield = 81                            

8 0
3 years ago
What are two properties of diamonds that make them different from other forms of carbon?
Airida [17]
They are tetrahedral in shape
they carbon atom share all four of its outer electrons with other carbon atoms to form 3D shape
6 0
3 years ago
During which phase of mitosis do the sister chromatids pull apart?
antoniya [11.8K]

Answer:

<h2>Anaphase</h2>

Explanation:

<h3>Hope it will help you</h3>
7 0
3 years ago
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Which soil horizon contains the most organic matter?
melamori03 [73]

Answer:

I- It says horizon so.....what....wth ._.

Explanation:

5 0
3 years ago
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