Helium gas at constant pressure of 74 atm expands in volume
Helium gas at constant pressure of 7.4 atm, expands in volume from 21.3 L to 79.2 L. The temperature is held at 278 K. Calculate the work done by the gas (in joules).
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How many moles of sodium acetate must be added to 1.8 L of 0.25 M acetic acid to give a solution that has a pH equal to 4.68? Ignore the volume change due to the addition of sodium acetate.
Harrison, Carla, and Fred are housepainters. Harrison and Carla can paint 100 square feet per hour using a standard paintbrush, and Fred can paint 80 square feet per hour. Any of the three can paint 200 square feet per hour using a roller.
Suppose you have available a pocket calculator that can multiply a four-figure number by a four-figure number and get the correct eight-figure answer
Identify an area in which Apple is regarded as responsible to a stakeholder. And in what context is Apple challenged for irresponsibility?
Why did the Portuguese and Spanish Monarchies lose control of most of their American domains between 1810 and 1825? What were the problems of the Portuguese and Spanish royal governments, themajor independence movements in the Americas, and the ideol
Explain the terms entity, relationship, and attributes. Describe how they are used in a database.
(a) what is the opportunity cost to this student of allocating enough additional study time on economics to move her grade up from a 90 to a 100 (b) draw a production possibilities curve showing the opportunity cost.
Describe what the term "data redundancy" means in database design. Explain if it is bad and if a normalized database design is always the best design. Discuss the pros and cons of a normalized database.
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