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Andru [333]
2 years ago
10

What subatomic particle is responsible for the observed properties of an atom?

Chemistry
2 answers:
Masteriza [31]2 years ago
7 0
The subatomic particle that is responsible for the observed properties of an atom is

A protons
Drupady [299]2 years ago
4 0
Protons are responsible for the observed properties of an atom
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A propane stove burned 470 grams propane and produced 625 grams of water (this is the actual yield) C3H8 +5O2=3CO2+4H20. What wa
Liula [17]

Answer:

81.3%

Explanation:

Step 1:

The balanced equation for the reaction:

This is shown below:

C3H8 + 5O2 —> 3CO2 + 4H2O

Step 2:

Data obtained from the question. This includes:

Mass of propane (C3H8) = 470 g

Actual yield of water (H2O) = 625 g

Percentage yield of water (H2O) =?

Step 3:

Determination of the mass of propane (C3H8) burned and the mass of water (H2O) produce from the balanced equation. This is illustrated below:

C3H8 + 5O2 —> 3CO2 + 4H2O

Molar Mass of C3H8 = (3x12) + (8x1) = 36 + 8 = 44g/mol

Molar Mass of H2O = (2x1) + 16 = 2 + 16 = 18g/mol

Mass of H2O from the balanced equation = 4 x 18 = 72g

From the balanced equation above,

44g of C3H8 was burned and 72g of H2O was produced.

Step 4:

Determination of the theoretical yield of H2O. This is illustrated below:

From the balanced equation above,

44g of C3H8 produced 72g of H2O.

Therefore, 470g of C3H8 will produce = (470x72)/44 = 769.09g of H2O.

Therefore, the theoretical yield of H2O is 769.09g

Step 5:

Determination of the percentage yield of water (H2O). This is illustrated below:

Actual yield of water (H2O) = 625g

theoretical yield of H2O = 769.09g

Percentage yield of water (H2O) =?

Percentage yield = Actual yield/Theoretical yield x100

Percentage yield = 625/769.09 x100

Percentage yield = 81.3%

Therefore, the percentage yield of water (H2O) is 81.3%

4 0
3 years ago
Convert 3 mol of Co, to grams.
GuDViN [60]

Answer:

176.7996 grams

Explanation:

Molar mass of Cobalt is 58.9332g. 58.9332 *3 is 176.7996g.

3 0
2 years ago
What does complex mean? PLEASE HELP ME
wolverine [178]
Complex meaning more complicated and detailed in difficulty
6 0
3 years ago
Read 2 more answers
When steam from a pan of boiling water reaches a cool window, it condenses. How much
andriy [413]

Because the air right above your hot pan of water is so warm, the water vapor can be quickly absorbed there. When the heat is removed, the hot convective up current from the pan vanishes and is replaced with cooler air that can no longer contain as much moisture, which makes the condensing water vapour visible.

First, it's important to discuss the "steam" that is produced by the hot water. While we refer to it as steam, it is not. Water that is heated above 100 degrees Celsius produces steam. The only area in the kitchen where you can see it clearly is if you look very closely at the spout of a boiling kettle. The first 5mm (1/4") of the liquid will be clear when it is boiling very near to the spout.

Learn more about Steam here-

brainly.com/question/15447025

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3 0
1 year ago
What temperature in fahrenheit is 28 degrees below freezing?
babunello [35]
28 degrees below freezing would be 4 degrees 
4 0
3 years ago
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