External link to 1. From what material is the case of a zinccarbon dry cell made? What purpose does this material…
External link to Evaluate the claim, The breath that you just took contains at least one molecule of air that was in
A. In which of the following notations will the name of a group be displayed in the Group Name list box if you make a copy of the group without naming it? (a) $A1 (b) @A1 (c) %A1 (d) *A1 B. Which of the following options is used to delete a selected group from a drawing? (a) Remove (b) Reorder (c) Explode (d) Rename C. […]
External link to Write formula(s) for the product(s) formed when each of the following substances reacts with oxygen.
Two technicians are discussing jump-starting a hybrid electric vehicle. Technician A says that the high-voltage (HV) batteries can be jumped on some HEV models. Technician B says that the 12-volt auxiliary battery can be jumped using a conventional jump box or jumper cable. Which technician is correct? a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A […]
External link to In photosynthesis and cellular respiration carbon is ________ and ________, respectively. a….
Scott likes to run a rock long distances he can run 20 km in 85 minutes he wants to know how many minutes it will take him to run 52 km at the same place how long will it take him to run 50 km
External link to Separate the following redox reactions into half-reactions, and label each half-reaction as…
1. When testing an oxygen sensor using a digital storage oscilloscope (DSO), how quickly should the voltage change when either propane is added to the intake stream or when a vacuum leak is created? a. Less than 100 ms b. 1 to 3 seconds c. 100 to 200 ms d. 450 to 550 ms 2. What is the primary purpose for a camshaft position (CMP) […]
External link to Do a historical search for change in air quality environmental regulations over time. Have these…
The oxidizing agent that our bodies use to obtain energy from food is oxygen (from the air). If you breathe 17 times a minute (at rest), taking in and exhaling 0.5 L of air with each breath, what volume of air do you breathe each day? Air is 21% oxygen by volume. What volume of oxygen do you breathe each day?
External link to The oxidizing agent that our bodies use to obtain energy from food is oxygen (from the air). If you.
1. List five items that are included on a Material Safety Data Sheet (MSDS). 2. Describe how to handle used brake fluid and engine oil. 3. Hazardous materials include all of the following, except _____. a. Used engine oil b. Asbestos c. Water d. Brake cleaner 4. To determine if a product or substance being used is hazardous, consult _____. a. A dictionary b. An […]
External link to The resistance of aqueous acetic acid solutions were measured at 25°C in a cell with -1 cell…
You have been hired as an economic consultant by OPEC and given the following statistics showing the world demand for oil: Your advice is needed on the following questions: (a) If the supply of oil is decreased so that the price rises from $20 to $30 a barrel, will the total revenue from oil sales increase or decrease? (b) What will happen to total sales […]
External link to 1. What is the reaction mechanism for thebromination of alkene (Hint: Show the mechanism…
A theater of 1000-person capacity is to be air conditioned for winter conditions: Outdoor conditions: 11°C DBT and 55% RH Indoor conditions: 21°C DBT and 60% RH Amount of free air supplied per person = 0.5 m3 /min The required copndition is achieved by heating, humidifying and then again heating. If the air coming out of the humifier has 80% RH, calculate the heating capacity […]
External link to For each reaction below list the Mechanism of the Reaction…
1. An engine develops an indicated power of 125 kW and delivers a brake power of 100 kW. Calculate (a) frictional power, and (b) mechanical efficiency of the engine. 2. A single-cylinder, four-stroke cycle oil engine is fitted with a rope brake dynamometer. The diameter of the brake wheel is 600 mm and the rope diameter is 26 mm. The brake load is 170 N. […]
External link to For each reaction below list the Mechanism of the Reaction and the Product(s) of the Reaction….
1.You are given the following payoff table (in units of thousands of dollars) for a decision analysis problem without probabilities. a. Which alternative should be chosen under the maximax criterion? b. Which alternative should be chosen under the maximin criterion? 2. Follow the instructions of previous problem with the following payoff table.
External link to QUESTION 21 Which of the following is a statement of the first law of thermodynamics?…
Compared with a hosts response to the mumps virus, overcoming a parasitic infection is more difficult for the host because of which of the following characteristics of parasites? a. Large size b. Complex antigenic structures c. Elaborate life cycle d. All of the above
External link to Explain the second law of thermodynamics and how it pertains to chemical systems….
1. A student argues that it makes no sense to be concerned about coliforms in drinking water because they are harmless members of our normal microbiota. Explain why regulatory agencies are concerned about coliforms. 2. A friend who has lakefront property and cherishes her lush green lawn complains of the green foul-smelling scum on the lake each summer. Explain how her lawn might be contributing […]
Management of the Jackson Manufacturing Corporation wishes to choose a statistical forecasting method for forecasting total sales for the corporation. Total sales (in millions of dollars) for each month of last year are shown below. a. Note how the sales level is shifting signif icantly from month to monthf irst trending upward and then dipping down before resuming an upward trend. Assuming that similar patterns […]