How much substance remains if reaction order is zero order
A certain substance X decomposes. It is found that 50% of X remains after 100 minutes. How much X remains after 200 minutes if the reaction order with respect to X is zero order?
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How many milliters of boiling water are required to dissolve 20 grams of phthalic acid? If the solution is cooled to 14oC, How many grams of phthalic acid would recrystallize out?
Berkley Co.'s sales are 10% cash and 90% on credit. Credit sales are collected as follows: 30% in the month of sale, 50% in the next month, and 20% in the following month.
For a certain transverse wave, the distance between two successive crests is 1.20 m, and eight crests pass a given point along the direction of travel every 12.0 s. Calculate the wave speed.
Which of the following is not a characteristic or limitation of the kind of information that financial reporting by business enterprises can provide.The information results in approximate, rather than exact, measures.
A proposed addition to Farrell's factory is estimated by the sales manager to increase sales by a maximum of $750,000. The company's accountants have determined that the proposed addition will add $320,000 to fixed costs each year.
The hearing aid picks up sound having a frequency of 250 Hz at an intensity of 2.50 10-11 W/m2. What is the intensity delivered to the eardrum?
Its density is 3000 kg/m3 and the unit cell volume is 5.00 x 10-23 cm3. Calculate the molar mass (g/mol) of the element to three significant figures.
A typical nuclear fission power plant produces about 1.00 GW of electrical power. Assume the plant has an overall efficiency of 42.0% and each fission produces 150 MeV of thermal energy. Calculate the mass of 235U consumed each day.
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