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kobusy [5.1K]
3 years ago
6

A chemical process involves adding various agents to a vat and then waiting for the agents to react to make a final compound. Th

e vat holds up to 1000 gallons. Chemical agents are added to the vat at a rate of 4.5 gallons per minute. Once the agents have been added to the vat, the reaction takes 85 minutes no matter the actual number of gallons in the batch. After the batch is complete, the vat must be cleaned. Cleaning always takes 15 minutes. What is the setup time of this process
Chemistry
1 answer:
Bogdan [553]3 years ago
8 0

Answer:

the total setup time of this process is 100 minutes

Explanation:

Given the data in the question;

Vat holds up to 1000 gallons;

Rate of chemical agents being added to the vat = 4.5 gpm

Reaction time = 85 minute

cleaning ( waiting time ) 15 minute

the setup time of this process = ?

To calculate the setup time for this process, we simply say;

the setup time = Reaction time + cleaning ( waiting time )

so we substitute in our values

the setup time = 85 mins + 15 mins

the setup time = 100 minutes

Therefore, the total setup time of this process is 100 minutes

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Answer:

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Explanation:

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3 years ago
Explain how the following experimental errors affect the final calculation of the kilocalories per gram for a food item. Be spec
Ainat [17]

Answer:

a) the final kilocalories per gram for food will be less because the mass was reduced

b)the final kilocalories per gram for food will be less since

c) the final kilocalories per gram for food will be less since the reaction will eventually go to completion

d) the final kilocalories per gram for food will be more.

Explanation:

a) the final kilocalories per gram for food will be less because the mass was reduced from 110.3 to 101.3g

b)the final kilocalories per gram for food will be less since some marshmallow fell off before the reaction

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d) the final kilocalories per gram for food will be more since the thermometer that got stuck will add to the value of final kilocalories per gram

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3 years ago
Consider the reaction pathway graph below.
Alex17521 [72]
Hello!

The reaction that the graph represents is A. Exothermic because Hrxn=-167 kJ

To calculate Hrxn we apply the following equation:

Hrxn=Hproducts-Hreagents=-625kJ-(-458kJ)=-167kJ

Looking at the graph, and at the result of the calculations, we can see that the enthalpy of the products is lower than the enthalpy of the reagents, because the sign is negative. That means that the reaction releases energy in the form of heat and that the reaction is exothermic.

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3 years ago
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Answer:

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Explanation:

Based on the reaction:

PCl₃ + Cl₂ ⇄ PCl₅

The equilibrium constant, K, is defined as:

K = P PCl₅ / P PCl₃ * P Cl₂

<em>Where P represent the pressure at the equilibrium for each one of the gases involved in the equilibrium.</em>

<em />

As:

P PCl₅ = 1.0atm

P PCl₃ = 1.0atm

P Cl₂ = 2.0atm

K = 1.0atm / 1.0atm * 2.0atm

<h3>K = 0.5</h3>
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2 years ago
Two knots is equal to:
Sloan [31]

Answer:

2.30156

Explanation:

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