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ZanzabumX [31]
2 years ago
11

1) Define water gas2) The skuLL is divided into two parts name them​

Chemistry
1 answer:
Triss [41]2 years ago
5 0

• a fuel gas consisting mainly of carbon monoxide and hydrogen, made by passing steam over incandescent coke

• the cranium and the mandible.

hope it helps...!!!

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During a synthesis reaction, 1.8 grams of magnesium reacted with 6.0 grams of oxygen. What is the maximum amount of magnesium ox
skelet666 [1.2K]

Answer:

2.9 grams.

Explanation:

  • From the balanced reaction:

<em>Mg + 1/2O₂ → MgO,</em>

1.0 mole of Mg reacts with 0.5 mole of oxygen to produce 1.0 mole of MgO.

  • We need to calculate the no. of moles of (1.8 g) of Mg and (6.0 g) of oxygen:

no. of moles of Mg = mass/molar mass = (1.8 g)/(24.3 g/mol) = 0.074 mol.

no. of moles of O₂ = mass/molar mass = (6.0 g)/(16.0 g/mol) = 0.375 mol.

<em>So. 0.074 mol of Mg reacts completely with (0.074/2 = 0.037 mol) of O₂ which be in excess.</em>

<em></em>

<em><u>Using cross multiplication:</u></em>

1.0 mole of Mg produce → 1.0 mol of MgO.

∴ 0.074 mol of Mg produce → 0.074 mol of MgO.

<em>∴ The amount of MgO produced = no. of moles x molar mass </em>= (0.074 mol)(40.3 g/mol) = <em>2.98 g.</em>

5 0
3 years ago
What two factors determine the thermal energy in a substance
Eduardwww [97]
The answer to that is mass and chemical
7 0
3 years ago
Abc Which excerpt from an essay about higher education most clearly shows an example of logos? According to recent studies, more
Naddik [55]

The excerpt from an essay about higher education that most clearly shows an example of logos is:

  • Option d:  Many college students look to land an exciting internship, believing that it will open doors in their field of study. However, internships can often distract from schoolwork.

<h3>What is Logos?</h3>

The Logos Definition is one that is often argued by a lot of people as people tends to appeal to others emotions and some other times, people do appeal to one's' ethics or morals.

The term logos is a term that connote the use of logic. It also includes the use of deductive reasoning to get to a conclusion.

The excerpt from an essay about higher education that most clearly shows an example of logos is:

  • Option d:  Many college students look to land an exciting internship, believing that it will open doors in their field of study. However, internships can often distract from schoolwork.

Option d is correct because it shows the cause and its effect.

Learn more about logos from

brainly.com/question/4656950

#SPJ1

8 0
2 years ago
True or false when matter changes it’s state it is a physical change because it is the same substance the whole time.
Blababa [14]

Answer:

true

Explanation:

5 0
3 years ago
¿A qué se debe la coloración de la llama cuando hay un halógeno presente?
Nimfa-mama [501]

Answer:

Green

Explanation:

Positive: A strong green color in the flame indicates the presence of halogens (chloride, bromide, iodide but not fluoride).

8 0
2 years ago
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