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Mice21 [21]
3 years ago
13

Phosphorus reacts with oxygen gas to produce solid diphosphorus pentoxide. What type of reaction is represented

Chemistry
1 answer:
kirza4 [7]3 years ago
7 0

It is a combination reaction.

            P + O₂ → P₂O₅

<h3 /><h3>What is a combination reaction?</h3>

Combination reactions are those in which two or more reactants combine to create a single product.

A synthesis reaction is another name for a combination reaction. The overall form of the reaction is as follows:

                                        X + Y → XY

There can be a combination reaction between two elements, two compounds, or a compound and an element.

Examples:

H₂ + Cl₂ → 2HCl

P + O₂ → P₂O₅

C + O₂ → CO₂

Learn more about combination reactions here:

brainly.com/question/17258460

#SPJ4

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Enter the correct ground-state (or lowest energy) configuration based on the number of electrons: 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10
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Answer:

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Element Atomic number Electron configuration

sulfur 16 1s22s22p63s23p4

chlorine 17 1s22s22p63s23p5

argon 18 1s22s22p63s23p6

Explanation:

<em>Brainlilest </em><em>me </em>

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3 years ago
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larisa86 [58]
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4 years ago
How much potassium chloride is needed to make 0.500 m solution with 1.50 L of water?
Andrew [12]

Answer:

55.9 g KCl.

Explanation:

Hello there!

In this case, according to the definition of molality for the 0.500-molar solution, we need to divide the moles of solute (potassium chloride) over the kilograms of solvent as shown below:

m=\frac{mol}{kilograms}

Thus, solving for the moles of solute, we obtain:

mol=m*kilograms

Since the density of water is 1 kg/L, we obtain the following moles:

mol=0.500mol/kg*1.50kg\\\\mol=0.75mol

Next, since the molar mass of KCl is 74.5513 g/mol, the mass would be:

0.75mol*\frac{74.5513g}{1mol}\\\\55.9g \ KCl

Regards!

4 0
3 years ago
Please help answer this 6 min left in class
vova2212 [387]

Answer:

not sure but i think is B

Explanation:

hope this help.

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