Calculate the weight of potassium chlorate
Calculate the weight of potassium chlorate required to prepare 380mL of wet oxygen collected over water at 20degrees celsius and 750mm of Hg.
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A 255-mL flask contains pure helium at a pressure of 745 torr. A second flask with a volume of 455 mL contains pure argon at a pressure of 725 torr. If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial
Use standard reduction potentials (shown below) to calculate the potential of a nickel-cadmium cell that uses a basic electrolyte that has a 0.6 M hydroxide concentration.
A metal object with a mass of 19g is heated to 96 degree celcious, then transferred to acalorimeter containing 75g of water at 18 degree celcious. Tjhe water and objectmreach a final temperature at 22 degreecelcious. What is the specific heat of t
At 760 K, 15% of a sample of cyclopropane changes to propene in 6.8 min. What is the half-life of cyclopropane at 760 K?
A 1.80-g sample of a large biomolecule was dissolved in 21.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point c
A remote door lock is operated by an electrical relay that requires 10 mA. The relay can be opened by either switch A or B or both. The information from the switches is combined in a logic circuit. The logic levels are 0 to 0.5V for ZERO (0) a
What is a column? what factors determine the amount of load that causes it failure and the manner in which it fails?
Discuss some of the advantages of PLCs over relay logic circuits. How do we decide to use either a PLC or a relay logic circuit for a given control process?
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