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2 years ago

Question: the environment as a whole is divided into ___ and Environments

Chemistry

1 answer:

Flauer [41]2 years ago

5 0

Answer:

hope it helps you....

Explanation:

natural and social environment.

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How many moles of Al2O3 will be produced if 1.35 moles of Fe are produced?

Sergeu [11.5K]

Answer:

0.675 mol

Explanation:

Step 1: Write the balanced equation

2 Al + Fe₂O₃ ⇒ 2 Fe + Al₂O₃

Step 2: Establish the appropriate molar ratio

According to the balanced equation, the molar ratio of Fe to Al₂O₃ is 2:1.

Step 3: Calculate the moles of Al₂O₃ produced when 1.35 moles of Fe are produced

We will use the established molar ratio.

1.35 mol Fe × 1 mol Al₂O₃/2 mol Fe = 0.675 mol Al₂O₃

5 0

3 years ago

Sulfur and oxygen form both sulfur dioxide and sulfur trioxide. When samples of these are decomposed, the sulfur dioxide produce

bezimeni [28]

Answer:

For A: The mass of oxygen per gram of sulfur for sulfur dioxide is 0.997 g

For B: The mass of oxygen per gram of sulfur for sulfur trioxide is 1.5 g

Explanation:

For A:

The chemical equation for decomposition of sulfur dioxide follows:

$SO_2\rigtarrow S+O_2$

We are given:

Mass of sulfur = 3.47 g

Mass of oxygen = 3.46 g

To calculate the mass of oxygen per gram of sulfur, we apply unitary method:

For every 3.47 g of sulfur, 3.46 g of oxygen will form.

So, for 1 gram of sulfur, $\frac{3.46g}{3.47g}\times 1g=0.997g$ of oxygen will form.

Hence, the mass of oxygen per gram of sulfur for sulfur dioxide is 0.997 g

For B:

The chemical equation for decomposition of sulfur trioxide follows:

$2SO_3\rigtarrow 2S+3O_2$

We are given:

Mass of sulfur = 5.50 g

Mass of oxygen = 8.25 g

To calculate the mass of oxygen per gram of sulfur, we apply unitary method:

For every 5.50 g of sulfur, 8.25 g of oxygen will form.

So, for 1 gram of sulfur, $\frac{8.25g}{5.50g}\times 1g=1.5g$ of oxygen will form.

Hence, the mass of oxygen per gram of sulfur for sulfur trioxide is 1.5 g

3 0

3 years ago

ANSWER FAST PLZ!!!!!!!!

Rainbow [258]

The answer is

D. I and II only

8 0

3 years ago

If the components of a liquid hydrocarbon are to be separated by fractional distillation, the components should have

sp2606 [1]

The answer is A. large differences between their boiling points

8 0

3 years ago

The volume of a gas is 650.ml at 1.14celsius what will the volume be at 75.0 Celsius?

Triss [41]

Answer: 42763ml

Explanation:

Using Charle's law

V1/T1=V2/T2

V1= 650ml

V2=?

T1= 1.14c

T2= 75c

Substitute the value

650/1.14=V2/75

Cross multiply

650×75=V2×1.14

V2= 650×75/1.14

V2= 42763.16ml

V2= ~42763ml

4 0

4 years ago

Question: the environment as a whole is divided into _____________ and __________ Environments

Question: the environment as a whole is divided into ___ and Environments