Which best describes how to correct the error in the chart? Remove "plastics" from the uses for sodium hydroxide. Swap the uses for iron oxide and calcium carbonate. Change the use for calcium chloride to "used in preservatives." Add "de-ice roads" to uses for calcium carbonate.

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?