Methane and sulfur react to produce carbon disulfide (CS₂), a liquid often used in the production of cellophane.

Chemistry

1 answer:

Anestetic [448]2 years ago

6 0

Answer:

9 moles

Explanation:

The balanced chemical equation provided in this question is as follows:

2CH₄ + S₈ → 2CS₂ + 4H₂S

In accordance to the above balanced equation, 1 mole of sulphur (S8) produces 4 moles of hydrogen sulfide (H2S).

Therefore, if 2.25mol of S8 is used, 2.25 × 4 = 9 mol

9 moles of H2S is produced.

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there is an ice cream shop 6 blocks north of your hotel. how many minutes will it take to walk there and back

Allushta [10]

Answer:

This question is incomplete

Explanation:

This question is incomplete.

However, when all the required data are available, you can use the formula/steps below

Average speed/velocity (m/s) = distance (in metres) ÷ time (in seconds)

Time (in secs) = distance ÷ average speed/velocity

Kindly note that "blocks" is not a standard unit for distance measurement in science, hence the distance (since its a walking distance) must be in metres (or converted to metres if not in metres).

The distance in the formula is the distance from the hotel to the ice cream shop while the average speed is the distance covered per time as s/he walks to the ice cream shop and back. Hence, the answer gotten from the formula above will have to be multiplied by 2 (in order to get the time taken to walk to the ice cream shop and back) because the formula will only provide answer to one trip (time taken to walk to the shop).

After the multiplication mentioned above, the time in seconds should be converted to minutes by dividing the answer in seconds by 60

8 0

3 years ago

Please help me.

kirza4 [7]

Taking into account the definition of density, the density of the sample is 0.5 $\frac{g}{mL}$ .

It is necessary yo know that density is defined as the property that matter, whether solid, liquid or gas, has to compress into a given space.

In other words, density allows you to measure the amount of mass in a certain volume of a substance.

Then, the expression for the calculation of density is the quotient between the mass of a body and the volume it occupies:

$density=\frac{mass}{volume}$

In this case, you know:

mass= 6 g
volume= 12 mL

Then, replacing in the definition of density:

$density=\frac{6 g}{12 mL}$

Solving:

<u><em>density= 0.5 </em></u> $\frac{g}{mL}$ <u><em /></u>

Finally, the density of the sample is 0.5 $\frac{g}{mL}$ .

Learn more about density:

7 0

2 years ago

Select the most likely product for this reaction: upper a g upper n upper o subscript 3 (a q) plus upper n a upper o upper h (a

Mamont248 [21]

One of the most likely products for the reaction would be $Ag_2O$

<h3>Chemical reactions</h3>

The reaction between $AgNO_3$ and $NaOH$ yields 3 products which are $Ag_2O$ (a precipitate), $NaNO_3$ , and $H_2O$ as shown by the equation below: