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On the basis of the general solubility rules given in Table 4.1, predict which of the following substances are likely to be soluble in water.
a. zinc chloride
b. lead(II) nitrate
c. lead(II) sulfate
d. sodium iodide
e. cobalt(III) sulfide
f. chromium(III) hydroxide
g. magnesium carbonate
h. ammonium carbonate
question 1the effect of a hazardous substance depends on the concentration of the substance that is present in the
A shell and tube heat exchanger is to be used in a corrosive service. If carbon steel tubes are used, the cost of the exchanger is estimated to be $160,000, and it is expected that the exchanger will need to be replaced after two years.
Calculate the heat that must be supplied to the system to maintain isothermal conditions.
Ac measurements with constant voltage amplitude reveal that the total core loss of a certain magnetic circuit is 10 W at f = 50 Hz, and 13 W at f = 60 Hz. Find the total core loss if the frequency is increased to 400 Hz.
Based on your knowledge of instruments specify two methods to prevent the drying running of a centrifugal pump, if the pump is being used to empty a vessel in an automated process plant.
Explain Non-adiabatic operations of flow reactors. 15In non-adiabatic operations, heat interchange with the surroundings will beaccounted. The conversion can be defined as the ratio of the net heat still needed after heattransfer to raise the feed..
If the exciting coil carries a steady direct current I, derive an expression for the force on the plunger.
What is the concentration of H2SO4 in the following units:
Determine the flow rate of the refrigerant, the amount of work in the compressors, and the heat loads in all heat exchangers.
Design a sieve plate column to perform this separation, for a feed rate of 10,000 kg/hour. Treat the feed as a binary mixture of ethanol and water. Take the feed temperature as 20 °C. The column will operate at 1 atmosphere.
Use the masses given in the following table to calculate the change in energy when 1 mol of 232Pu nuclei and 1 mol of 231Pa nuclei are each formed from their respective number of protons and neutrons.
1. Apply the query tuning on following query and explain why your modification is more efficient? SELECT S_name, S_Phone, S_Age FROM STUDEN
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