How much heat in kilojoules is evolved
How much heat in kilojoules is evolved in converting 36.0 g steam at 180 degrees C. to ice at -60 degrees C. (heat capacity of steam is 1.184 J/g-c & ice is 2.09 J/g-c, the heat vaporization is 40.7 kj/mole and heat fusion is 6.02 kj/mole.)
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A hair dryer has a power rating of 12000w at 120v rms. assume that the hair dryer is the only resistance in the circuit. What is the resistance of the heating element?
A red laser pointer emits light at a wavelength of 808 nm. If the laser emits 7.50E-4 J of energy per second in the form of visible radiation, how many moles of photons per second are emitted from the laser?
If 3 mol of hydrogen is now added to the equilibrium miaxture , what is the new equilibrium concentration of ammonia ?
A boxer receives a horizontal blow to the head that topples him over. The force, of magnitude 1.35 x 103 N, is applied for 1.7 x 10-2 s at a point 1.67 m above the floor. The boxer has a moment of inertia of 79.2 kg · m2 for rotation about an
How much ice in grams would have to melt to lower the temperature to 468 ml of water from 39 degrees C. to 2 degrees C. (Assume the density of water is 1.00 g/ml, the heat of fusion for water at 0 degrees C. is 6.02 kj/mole)
How would you prepare a liter of "carbonate buffer" at a pH of10.10? you are provided with H2CO3, NaHCO3, and Na2CO3.
A proton has an initial speed of 4.9 x 105 m/s. (a) What potential difference is required to bring the proton to rest?
Radioactive iodine , 131I which is frequently used in tracer studies involving the thyroid gland, decays according to N= N0 (0.5) t/8 , where N0 is the initial dose and t is the time in days. Find the half life of 131I .
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Sarah Green, a 29-year-old woman, is in her second pregnancy. She has a history of a healthy first pregnancy and is currently at 32 weeks of gestation
For this Performance Task Assessment, you will develop a plan to advocate as a social change agent for a particular population in your community.
The parents of a 6 month old diagnosed with a terminal brain tumor have chosen palliative care. Which interventions will be provided for this infant?
I advised her that she will need to continue with her care with Dr. X, who plans to offer chemotherapy. Electronically signed by X, MD What diagnosis codes are
Question: Which finding would concern the nurse who's caring for an infant after a right femoral cardiac catheterization?
Describe a quality or safety issue, identifying the gaps and burden in nursing practice in prevention and management of sepsis
What intervention is most appropriate for the nurse to perform? Remove the security device because it's a choking hazard.