Problem based on chemical reaction
What happened when CaCO3 was combined with hydrochloric acid? was a chemical reaction obvious here ? what about NaOH added to HCl? Was a reaction obvious in this case? Why indicators are important to tell if an acid-base reaction has occurred.
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Company manufactures hats that goes through 2 processes : construction and packaging. In the construction process, materials are dyed, cut and shaped in to hats.
A vector with initial point (-2,6) and terminal point (-4,3) is translated so that its initial point is at the origin. Find its new terminal point. Is it -2, and 9?
Retail firms are at risk that their inventory will become obselete. What can a firm do to minimize this risk? What types of firms are most at risk?
During the year, the company purchased $100,000 of raw material and spent $340,000 on direct labor. Other data: manufacturing overhead incurred, $450,000; sales, $1,560,000; selling and administrative expenses, $90,000; income tax rate, 30%.
What is the effect of increasing concentration on the internal resistance of a primary cell?
Tyrell Company has a Supplies account balance of $1,000 on January 1, 2011. During 2011, it purchased $3,000 of supplies. As of December 31, 2011.
A sine function y = f (x) has a period of 8 and amplitude of 3. It is also known that f (2) =18 is a minimum value of the function. Find the maximum value of the function.
When 1.000g of tropinone is burned in a calorimeter with heat capacity of 25.950 kjC, the temperature increases from 25.262c to 25.993c. What is the change in enthalpy of tropinone?
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