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antoniya [11.8K]
3 years ago
12

The process of manufacturing sulfuric acid begins with the burning of sulfur. What mass of sulfur would have to be burned in ord

er to produce 1.00 kg of H2SO4 ? Assume that all of the sulfur ends up in the sulfuric acid.
Chemistry
1 answer:
Minchanka [31]3 years ago
5 0

Answer:

about 327 g of sulfur

Explanation:

Reaction equations.

2S + 2O2 = 2SO2

2SO2 + O2 = 2SO3

2SO3 + 2H2O = 2H2SO4

1.00 kg H2SO4 (1000 g H2SO4 / 1kg H2SO4) x (1 mole H2SO4 / 98.079 g H2SO4) x

(1 mole S / 1 mole H2SO4) x (32.065 g S / 1 mole S)

= 326.93 g S needed to be burned to produce 1.00 kg of H2SO4

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A thermometer shows that the temperature of the air in a room has increased.Which type of energy has increased?
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Kinetic energy has increased.

The <em>Kinetic Molecular Theory</em> of gases states that the average kinetic energy of the molecules of a gas is directly proportional to its Kelvin temperature.

Thus, if the temperature of the air in a room has increased, the average kinetic energy of its molecules has increased.


5 0
3 years ago
Question 6 (1 point)
Mnenie [13.5K]

Answer:

The correct option is;

d 4400

Explanation:

The given parameters are;

The mass of the ice = 55 g

The Heat of Fusion = 80 cal/g

The Heat of Vaporization = 540 cal/g

The specific heat capacity of water = 1 cal/g

The heat required to melt a given mass of ice = The Heat of Fusion × The mass of the ice

The heat required to melt the 55 g mass of ice = 540 cal/g × 55 g = 29700 cal

The heat required to raise the temperature of a given mass ice (water) = The mass of the ice (water) × The specific heat capacity of the ice (water) × The temperature change

The heat required to raise the temperature of the ice from 0°C to 100°C = 55 × 1 × (100 - 0) = 5,500 cal

The heat required to vaporize a given mass of ice = The Heat of Vaporization × The mass of the ice

The heat required to vaporize the 55 g mass of ice at 100°C = 80 cal/g × 55 g = 4,400 cal

The total heat required to boil 55 g of ice = 29700 cal + 5,500 cal + 4,400 cal = 39,600 cal

However, we note that the heat required to vaporize the 55 g mass of ice at 100°C = 80 cal/g × 55 g = 4,400 cal.

The heat required to vaporize the 55 g mass of ice at 100°C = 4,400 cal

3 0
2 years ago
Yusef adds all of the values in his data set and then divides by the number of values in the set. What is Yusef most likely find
Zanzabum

He is most likely finding the mean of the data.

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A compound is a pure substance made up of two or more different atoms joined by chemical bonds. Consider the composition of the
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Answer:

Carbon dioxide is a compound

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It is formed by chemical combination of carbon and oxygen atoms

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Identify the compounds that are soluble in both water and hexane.
dlinn [17]

Answer:

The compound which are boh soluble in water and hexane is

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The compounds ethanol and 1-propanol are soluble in both hexane and water.

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