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jenyasd209 [6]
3 years ago
11

Plsplsplsplsplsplsplsplsplspls help

Chemistry
1 answer:
MA_775_DIABLO [31]3 years ago
6 0

Answer:

this is difficult but simple to answer

Explanation:

all atoms move in 1 direction no more than 2

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P + O2 → P4O10 balance the equation
poizon [28]
4P + 502 -> P4O10 this is the answer
5 0
2 years ago
Please I need help with this question.​
7nadin3 [17]

Answer:

c?

Explanation:

7 0
2 years ago
Read 2 more answers
What volume of a 2.5 M NaOH solution is required to make 1 liter of a 0.75 M NaOH
defon
V1M1 = V2M2 

<span>V1 × 2.5 = 1 × 0.75,
so     V1 = 0.75/2.5
              = 0.3 </span>
6 0
3 years ago
If 2 CH3OH + 3 O2 -&gt; 2CO2 + 4 H2O was carried out in the laboratory and 219 g of water was produced, what would the percent y
ANEK [815]

Answer:

Percent yield = 84.5 %

Explanation:

Given data:

Mass of methanol = 229 g

Actual yield of water = 219 g

Percent yield of water = ?

Solution:

Chemical equation:

2CH₃OH + 3O₂  →  2CO₂  + 4H₂O

Number of moles of methanol:

Number of moles = mass/ molar mass

Number of moles = 229 g/ 32 g/mol

Number of moles = 7.2 mol

Now we will compare the moles of water with methanol.

                        CH₃OH         :            H₂O

                            2               :               4

                           7.2             :           4/2×7.2 = 14.4 mol

Mass of water:

Mass = number of moles × molae mass

Mass = 14.4 mol × 18 g/mol

Mass = 259.2 g

Percent yield:

Percent yield = actual yield / theoretical yield × 100

Percent yield = 219 g / 259.2 g × 100

Percent yield = 84.5 %

7 0
3 years ago
Are the oldest rocks in the canyon found near the bottom
nevsk [136]

Answer: yes they are

Explanation:

because its so hot and the heat just stays at the bottom

3 0
3 years ago
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