Follow the steps of the Systematic Approach of Section 14.4—that is, (1) identify the system, (2) determine whether the process is batch or rate, (3) construct a schematic diagram with inputs and outputs, (4) Label known material quantities or rates of flow and so on. Dilute sulfuric acid (19 percent acid, the rest water) is required for activating car batteries. A tank of weak acid (12.5 percent concentrate, the rest water) is available. If 450 lb of 78 percent concentrate acid is added to the tank to get the required 19 percent acid, how much of the 19 percent acid is now available?
What will be an ideal response?
 ANSWER.png)
You might also like to view...
Convert 32’- 10” to feet in decimal form.
What will be an ideal response?
Power plant dispatchers predict power needs based on the weather
Indicate whether the statement is true or false
Many commercialized proteins used in molecular biology techniques were discovered and obtained from organisms isolated from national parks, e.g., Yellowstone National Park. Do you think these companies should pay a certain percentage of their profi ts to these parks, i.e., the public? Should these companies have limited access to sources of these bacteria? Should the general public have access to soil/water/plant samples and the like from parklands even if their motives are noncommercial? Write a paragraph supporting your position.
What will be an ideal response?
Ronald Reagan was similar to Franklin D. Roosevelt in that both men
A. disliked big business. B. championed the common man against vast, impersonal menaces. C. were raised in wealthy families. D. favored social engineering by the government. E. had run for vice president before being elected president.