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Firdavs [7]
3 years ago
6

“Gasoline boils at a relatively low temperature (about 150°C). The kerosene is removed at around 200°C, followed by diesel oil a

t 300°C and fuel oil at around 370°C.”
Chemistry
2 answers:
Serga [27]3 years ago
7 0

Answer: distillation

Explanation:

jekas [21]3 years ago
4 0
The correct answer is letter a. distillation of a mixture. “Gasoline boils at a relatively low temperature (about 150°C). The kerosene is removed at around 200°C, followed by diesel oil at 300°C and fuel oil ataround 370°C," It is the process of DISTILLATION OF A MIXTURE.Here is the question.
<span>
What topic is the teacher most likely talking about?
a. distillation of a mixture
b. filtration of a pure substance
c.evaporation of a mixture
d. sorting of a pure substance</span>
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How many significant figures are there in the measurement 0.003kg
salantis [7]

Answer:

-4

Explanation:

In 0.0034 the zeros are preceding numberd and after the decimal point.

6 0
4 years ago
The chemical reaction in this example is of environmental interest. Iron pyrite (Fesz) is often an impurity in
enot [183]

178.87 grams of sulphur dioxide is formed according to the  equation given.

Explanation:

The balanced chemical reaction for the process is:

4 FeS2 + 11 O2 ⇒ 2Fe2O3(-) + 8 SO2

the reaction involving FeS and oxygen having balanced chemical equation as:

moles of oxygen given as 3.84

so when  11 moles of O2 reacts to form 8 moles SO2

                3.84 moles of oxygen reacts to form x moles of SO2

\frac{8}{11} = \frac{x}{3.84}

x = \frac{30.72}{11}

2.792 moles of sulphur dioxide will be formed

The mass can be calculated as number of moles x molar mass of 1 mole of SO2

= 2.792 x 64.066

= 178.87 grams of sulphur dioxide is formed.

             

7 0
3 years ago
Check the box of any item below that can be categorized as matter.
Westkost [7]

Answer:

Sun air

Explanation:

3 0
3 years ago
Read 2 more answers
The opposite of an endothermic reaction is a(n) reaction.​
Rom4ik [11]

Answer:

The opposite of an endothermic process is an exothermic process, one that releases or "gives out" energy, usually in the form of heat and sometimes as electrical energy.

Explanation:

Hope this helps you. Have a nice day. Please mark as brainliest. It helps a lot. ^_^

3 0
3 years ago
Read 2 more answers
What was the weight percent of water in the hydrate before heating?
DedPeter [7]
Data:

weight of water before heating = 0.349

weight of hydrate before heateing = 2.107

Formula:

Weight percent of water = [ (weight of water) / (weight of the hydrate) ] * 100

Solution:

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Answer: 16.6%
3 0
4 years ago
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