251 Answered Questions for the topic chemical engineering

Chemical Engineering

02/08/21

If gold is selling presently for $1000.00/oz how much would 1 cubic inch of gold be worth?
Given: 1 inch= 2.54 cm; 1 oz: 28.3 g. Density of gold: 19.5 g/cm^3
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Chemical Engineering Calculus Differential Equations

01/29/21

How do I find the analytical solution to this differential equation and then plot H vs t?
(v12)/2g * (1 - 1/B4) = - (H + L)wherev1 = - dH/dt and H(to) = Ho
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Chemical Engineering Physics

01/26/21

Please show all your work and step. Please write clear

Earth = 9.8 meters per second squared [m/s^2] Earth's moon = 1.6 meters per second squared [m/s^2] Mars = 3.7 meters per second squared [m/s^2] A space probe is built with a mass of 1597... more
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Chemical Engineering Science Chemistry Biochemistry

01/24/21

What happens when co2 is heated

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Chemical Engineering Chemistry Analytical Chemistry

01/20/21

PLEASE HELP ME OUT ASAP !

Calculate the pCl of the mixture of 100.0 mL of 0,0500 M NaCl with 40.0 mL 0.100 M AgNO3 . Take account of the precipitate occurs when the solutions are mixed. PLEASE WRITE THE SOLUTION WITH FULL... more
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Chemical Engineering Chemistry Electrical Engineering

12/23/20

General Chemistry

1. Draw cell diagrams of galvanic cells one of which Zn is the anode, the other − the cathode. Write the electrode reactions. Calculate E0cell. 2. Calculate the cell potential of Mg/Nigalvanic cell... more
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Chemical Engineering Chemistry

12/14/20

Analyse the technical problems and design factors in the manufacture of oxygen and nitrogen
Please give a detailed analysis in about 400 words.
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Chemical Engineering Chemistry Organic Chemistry Chem

11/22/20

please help on this questions

1.At what temperature was thermal equilibrium reached? How long did it take to arrive at this temperature?2.How does the temperature change within the first 60 seconds of the experiment? Within the... more
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Chemical Engineering Chemistry

11/20/20

i need help on this

 Does the amount of energy released or absorbed by the system increase or decrease as the amount of CaCl2 is increased (from reaction 1 to reaction 2)? Explain.
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11/19/20

i need help on this

help explain how it is possible for you to see the red ball?1# How does Figure 1 help explain how it is possible for you to see the red ball?
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Chemical Engineering Chemistry Organic Chemistry

11/19/20

i need help on this

Aspects of Scientific Models1.What are the key components represented in the model shown in Figure 2?2.What relationships are shown in the Figure 2 model?3.How does the Figure 2 model connect to... more
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Chemical Engineering Chemistry Biochemistry Chem

11/19/20

i need help on this

SEP Construct an Explanation Describe the chemistry of the fire triangle. How does the fire triangle relate to how fiercely a wildfire burns?  SEP Construct an Explanation How do firefighters use... more
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Chemical Engineering Chemistry Biochemistry Chem

11/19/20

i need help on this chemistry

Describe (in words) how conduction, convection and radiation all take place to heat the room.
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Chemical Engineering Chemistry

11/18/20

Describe (in words) how conduction, convection and radiation all take place to heat the room.

Describe (in words) how conduction, convection and radiation all take place to heat the room. 
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Chemical Engineering Math Physics Mechanical Engineering

10/29/20

A 20 cm high polystyrene board with a surface area of 40 dm2 is floating in the water.
a) What fraction of its volume is above the water surface?b) If a 35 kg child is placed on this board, what will be the fraction of its volume that is above the water surface?Data: Polystyrene... more
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Chemical Engineering Science Chemistry Biochemistry

10/26/20

Titration: Back Titration
33.7 mL of 1.54 M hydrochloric acid is added to 31.2 mL of sodium hydroxide, and the resulting solution is found to be acidic.16.4 mL of 1.19 M barium hydroxide is required to reach neutrality.What... more
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10/09/20

Please help with this question!!!
The cardinality of the set                          is  , while the cardinality of the set  is -----------  while the cardinality of the set   is--------
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10/02/20

Please help with the following math question!!!
Let  and    and . Which of the following statements is (are) true?(can have many answers)a.)b.)c.)d.)e.)f.) Which of the following statements is (are) true?  .  Which of the following statements is... more
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10/02/20

Please help with the power set!!!!
Which of the following is the power set of ? a.) 4b.)c.)d.)e.)     ?
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10/02/20

Please help with the following is a subset!!!
Which of the following is a subset of ?Note: There may be multiple correct answers!a.) b.) c.) d.) e.)
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10/02/20

Please help with the cardinality of the following set!!!!
What is the cardinality of the following set?(This can have many answers)a.) 0b.) 4c.) 7d.) 3
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10/02/20

Please help with this question!!!
Consider the set          .Which of the following is the corresponding set builder notation for the above set?a.) b.) c.)d.)
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Chemical Engineering

09/18/20

NUCLEAR CHEMISTRY
Write a balanced nuclear equation for the following: The nuclide uranium-234 undergoes alpha emission to give thorium-230 .
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Chemical Engineering Mechanical Engineering

05/21/20

thermodynamic Problem!!
An inventor claims to have developed a novel heat pump that can, when operating steadily, deliver 100 kW of heat to a building at 40°C whilst consuming 10 kW to drive the unit. Assuming that the... more
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Chemical Engineering Math Calculus Electrical Engineering

04/10/20

Can someone please help me with this? I have to find a solution using Wronskian and I'm having a very difficult time.

Given y1, can you find y2? Find y1y'2 - y'1y2 = W(t). Answer choices: 1. y2 = ty1 2. y2 = y1∫W(t) dt 3. y2 = y1 (c+∫(W(t)/y1^2) dt 4. y2 = y1∫(W(t)/y1) dt
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