Chemistry concepts and calculations

1- Consider the following reaction.H2SO4+2KOHK2SO4+2H2O Identify what main categ

1- Consider the following reaction.H2SO4+2KOHK2SO4+2H2O Identify what main category of reaction it is. If possible, further categorize it into all other relevant types of reaction…

1- Consider the reaction 2NHle) CO(e) o NH,CONHlag) H,O). Given that ?G\"--27.2

1- Consider the reaction 2NHle) CO(e) o NH,CONHlag) H,O). Given that ?G"--27.2 Kj, calculate a) Calculate the equilibrium constant (Kc) for the above reaction at 25°C b) Calculate…

1- Consider wool under drying conditions. If the wool contains 0.36 kg water/ kg

1- Consider wool under drying conditions. If the wool contains 0.36 kg water/ kg solid in conatact with air of relative humiditiy Hr 60% and 25 C calculate : * amount of bound wat…

1- Did the presence of Malonic acid have an effect on the result? Why do you tho

1- Did the presence of Malonic acid have an effect on the result? Why do you thonk might be the case? Use data to justify answer. 2- Did you find the temperature influenced the re…

1- Discuss uses, other than molecular separation, for solids formed from the fol

1- Discuss uses, other than molecular separation, for solids formed from the following types of molecules 2- The two main methods available to bring about molecular structural cha…

1- Evaporation can occur when a. vapor pressure of surface water decreases b. tw

1- Evaporation can occur when a.    vapor pressure of surface water decreases b. two warm air masses collide c. two cold air masses collide d. vapor pressure of surface water incr…

1- For a data (basically compressed voice plus a little overhead plus an error c

1- For a data (basically compressed voice plus a little overhead plus an error correction code) signal at 19.2 Kbps spread to 1.2288 Million chips per second, what is the processi…

1- Galileo\'s telescope showed him that Venus has a large angular diameter (61 s

1- Galileo's telescope showed him that Venus has a large angular diameter (61 seconds of arc) when it is a crescent and a small angular diameter (10 seconds of arc) when it is nea…

1- How far you can go in a car in 1 1/2 hours if you are travelling at 60 miles

1- How far you can go in a car in 1 1/2 hours if you are travelling at 60 miles per hour? 2- How much acetic acid, CH3COOH(MWou 60.06 G/MOL) should you weight out to obrain 1.5 mo…

1- I have an exam tomorrow and there are a few question I need to understand, I

1- I have an exam tomorrow and there are a few question I need to understand, I know what the right answer but I need explanition please.. in which of the following atoms is the 3…

1- Identify the following changes as chemical or physical: A-The steak dinner yo

1- Identify the following changes as chemical or physical: A-The steak dinner you ate is being digested and used for energy, B-Iron rusts when left in a moist environment, C-Dry i…

1- Identify the following compounds as organic or inorganic by circle or highlig

1- Identify the following compounds as organic or inorganic by circle or highlight the word "Organic" or "Inorganic" that is written next to each chemical. a) Acetic acid, CHsCOOH…

1- Identify the following compounds as organic or inorganic by circle or highlig

1- Identify the following compounds as organic or inorganic by circle or highlight the word "Organic" or "Inorganic" that is written next to each chemical. a) Acetic acid, CHsCOOH…

1- Identify the reducing agent in the following reaction Cd+NiO2 + 2H2O Cd (OH)

1-    Identify the reducing agent in the following reaction Cd+NiO2 + 2H2O                            Cd (OH) 2 + Ni (OH) 2 2-    When 0.7521g of benzoic acid was burned in a calo…

1- If a reaction is first-order with respect to each of its two reactants, then

1- If a reaction is first-order with respect to each of its two reactants, then the rate of the reaction is A- directly proportional to the concentration of one reactant and inver…

1- If an atom in a molecule has the number of electron domains listed, what is i

1- If an atom in a molecule has the number of electron domains listed, what is its corresponding hybridization? 2 electron domains       [ Choose ]            sp3d            sp5 …

1- If the buret had been wet with water and not adequately rinsed with base woul

1- If the buret had been wet with water and not adequately rinsed with base would your experimental value for concentration of NaOH be higher of lower than the true value? Explain…

1- If the following processes take place at constant pressure, which will be exo

1- If the following processes take place at constant pressure, which will be exothermic and which will be endothermic? I. Gasoline burns. II. Two solids at room temperature are mi…

1- If the surface area for diffusion increases, the rate of diffusion will (incr

1- If the surface area for diffusion increases, the rate of diffusion will (increase/decrease). 2-If the temperature decreases, the rate of diffusion will (increase/decrease). 3-I…

1- Imagine that you work as a network administrator for a small manufacturing co

1- Imagine that you work as a network administrator for a small manufacturing company. The company wants to upgrade its network infrastructure to include 1000Mb switches and 10/10…

1- In an experiment, 18 g of silver nitrate was dissolved in enough water to for

1- In an experiment, 18 g of silver nitrate was dissolved in enough water to form 100.0 mL of solution. This aquesous silver nitrate solution was then mixed with 400.0mL of aqueou…

1- In lab, you observed and classified multiple reactions. You mix a clear blue

1- In lab, you observed and classified multiple reactions. You mix a clear blue solution and a clear yellow solution and observe the results to determine if a chemical reaction to…

1- In the titration between potassium iodate and the sodium thiosulfate solution

1- In the titration between potassium iodate and the sodium thiosulfate solution, if the titration is not performed immediately after the addition of the sulfuric acid, how would …

1- Is XeF4 polar or non-polar ? Explain your answer.. 2- Draw the Lewis electron

1- Is XeF4 polar or non-polar ? Explain your answer.. 2- Draw the Lewis electron-dot structures for the 3 isomers of C2H2Cl2. Use models to deduce the shape and polarity of each i…

1- Is XeF4 polar or non-polar ? Explain your answer.. 2- Draw the Lewis electron

1- Is XeF4 polar or non-polar ? Explain your answer.. 2- Draw the Lewis electron-dot structures for the 3 isomers of C2H2Cl2. Use models to deduce the shape and polarity of each i…

1- Is it possible for a nonpolar molecule to become temporally polar? 2- What is

1- Is it possible for a nonpolar molecule to become temporally polar? 2- What is the approximate energy associated with a hydrogen bond? 3- Who discovered the compressibility of g…

1- List and Explain the activities performed in the Explore Stage of Agile Devel

1- List and Explain the activities performed in the Explore Stage of Agile Development. 2- Describe the following techniques and explain how the following functions are implemente…

1- List the solutions and the % mass of the solute in solution. 2- A bottle of r

1- List the solutions and the % mass of the solute in solution. 2- A bottle of regular pepsi states the following on its lebal: Serving size: 8 fluid ounces ( about 240 mL ) Total…

1- Lowest Score Drop (similar to #7, pg. 400) ? Write a program that calculates

1- Lowest Score Drop (similar to #7, pg. 400) ? Write a program that calculates the average of a group of test scores, where the lowest score in the group is dropped. It should us…

1- On a mass spectrum, the molecular ion has an m/z = 58. What is the name of th

1- On a mass spectrum, the molecular ion has an m/z = 58. What is the name of the peak at m/z = 59? Select one: a. molecular ion b. M+1 c. M+2 d. A peak has no name. 2-Assume a mo…

1- Perfect number . find all perfect numbers less than 10,000? using labview pro

1- Perfect number. find all perfect numbers less than 10,000? using labview program. 2- Fibonacci Number. Construct a VI with one numeric input n that bulids an array containing n…

1- Phosphoric acid is used as a commercial fertilizer and fungicide to treat avo

1- Phosphoric acid is used as a commercial fertilizer and fungicide to treat avocado crops in California, with a coverage rate of 2.50 g/m2. Phosphoric acid can be produced by the…

1- Rank each of the following sets of acids in order of increasing acid strength

1- Rank each of the following sets of acids in order of increasing acid strength. 3 pts each, 6 pts total a. HBrO 3 , HClO 3 , HIO 3 b. HClO, HClO 2 , HClO 3 5. 2-Determine whethe…

1- Rank the following compounds in order of increasing strength of intermolecula

1- Rank the following compounds in order of increasing strength of intermolecular forces, putting the molecule with the weakest intermolecular force first. 2- The indicated carbon…

1- Sodium nitrate and lead(ll) acetate. 2- silver nitrate and strontium iodide.

1- Sodium nitrate and lead(ll) acetate. 2- silver nitrate and strontium iodide. Write a molecular equation for the precipitation reaction that occurs (if any) when the following s…

1- Suppose 0.976g CuCl2 and 0.775g of Na3Po4 were reacted. What is the percentag

1- Suppose 0.976g CuCl2 and 0.775g of Na3Po4 were reacted. What is the percentage yield of Cu3(Po4)2 if 0.430g of Cu3(PO4)2. was isolated? (Use 380.12g/mol for Na3PO4 and 170.48g/…

1- The Scanner object can be used to convert String data to numeric data Select

1- The Scanner object can be used to convert String data to numeric data Select one: a. True b. False 2- A for loop should always be used to process the tokens in a file a. True b…

1- The compound para-dichlorobenzene is used in mothballs. Its analysis is 49.02

1- The compound para-dichlorobenzene is used in mothballs. Its analysis is 49.02% C, 2.74% H, and 48.24% Cl. Its molar mass is 147.0 g/mol. What is its empirical formula and its m…

1- The following data were obtained for 2A + 2B + C----->D+E: Trial [A] mol/L [B

1- The following data were obtained for 2A + 2B + C----->D+E: Trial         [A] mol/L       [B] mol/L          [C] mol/L                           Rate mole/L/sec 1            …

1- The molar heat capacity of silver is 25.35 J/molC. How much energy would it t

1- The molar heat capacity of silver is 25.35 J/molC. How much energy would it take to raise the temperature of 8.20 g of silver by 14.5 C? Express your answer with the appropriat…

1- The molar mass and molar heat capacity of aluminum is 27.0 g/mol and 24.3 J/(

1- The molar mass and molar heat capacity of aluminum is 27.0 g/mol and 24.3 J/(mol K), respectively. If a 27.0-g Al sample, at 300. K, absorbed 168 J of heat, what is its final t…

1- The van der Waals equation for real gases recognizes that: the non-zero volum

1- The van der Waals equation for real gases recognizes that: the non-zero volumes of gas particles effectively decrease the amount of "empty space" between them 2- What is the ro…

1- The van der Waals equation for real gases recognizes that: the non-zero volum

1- The van der Waals equation for real gases recognizes that: the non-zero volumes of gas particles effectively decrease the amount of "empty space" between them 2- What is the ro…

1- The volume of a sample of gas is 650. mL at a pressure of 1.60 atm. Assume th

1- The volume of a sample of gas is 650. mL at a pressure of 1.60 atm. Assume that the temperature is held constant. a)What is the volume of the sample at a pressure of 2.00 atm? …

1- Two elements that have np 3 in their ground-state electron configuration are

1- Two elements that have np3 in their ground-state electron configuration are ________ a.    N and As      b.   Ge and Pb.        c.   B and Al.      d.      Li and Mg.         e…

1- Upload an image into Matlab. 2- Find the histogram of that image. 3- For each

1- Upload an image into Matlab. 2- Find the histogram of that image. 3- For each pixel value between 0 and 255, find the membership of that value in the different input membership…

1- We are performing the following operations on the ADTs below. Show the value

1- We are performing the following operations on the ADTs below. Show the value returned by the peek and remove operations. Add 20, 7, 5, 8. Remove (a). Add 10, 14. Peek (a). Add …

1- We are performing the following operations on the ADTs below. Show the value

1- We are performing the following operations on the ADTs below. Show the value returned by the peek and remove operations. Add 20, 7, 5, 8. Remove (a). Add 10, 14. Peek (a). Add …

1- What are the reaction rates for E1 and E2? 2- what type of graph we should cr

1- What are the reaction rates for E1 and E2? 2- what type of graph we should create for these data? Remove the blank cuvette from the colorimeter Measure the absorbance for each …

1- What connection of two or more pushbuttons can be considered to be an AND typ

1- What connection of two or more pushbuttons can be considered to be an AND type of control circuit: All pushbuttons connected in series. All pushbuttons connected in parallel. O…