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What is the pH when 44.0 mL of 0.033 M NaOH is added to 38.0…

What is the pH when 44.0 mL of 0.033 M NaOH is added to 38.0 mL of 0.035 M HNO3?

Published June 16, 2021
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A piece of metal with a mass of 611 g is placed into a gradu…

A piece of metal with a mass of 611 g is placed into a graduated cylinder that contains 25.1 mL of water, raising the water level to 56.7 mL.  What is the density of the metal?

Published June 16, 2021
Categorized as Uncategorized

Determine if the graph below may be misleading and if it is,…

Determine if the graph below may be misleading and if it is, then why is it misleading.  

Published June 16, 2021
Categorized as Uncategorized

The SI prefixes kilo and centi represent, respectively:

The SI prefixes kilo and centi represent, respectively:

Published June 16, 2021
Categorized as Uncategorized

The equilibrium constant, Kc=48.35 for the reaction shown be…

The equilibrium constant, Kc=48.35 for the reaction shown below. The enthalpy change for this reaction at 25°C is -25.6 kJ. 2 A + B 3C What is the correct value of K for the reaction shown below? 3/2 C A + 1/2 B

Published June 16, 2021
Categorized as Uncategorized

A patient has a peripherally inserted central catheter (PICC…

A patient has a peripherally inserted central catheter (PICC) line inserted to continue IV antibiotic therapy at home. With proper care, how long can this type of venous access device remain in place?

Published June 16, 2021
Categorized as Uncategorized

Calculate the percent by mass of potassium nitrate in a solu…

Calculate the percent by mass of potassium nitrate in a solution made from 45.0 g KNO3 and 295 mL of water.  The density of water is 0.997 g/mL.

Published June 16, 2021
Categorized as Uncategorized

Calculate the mass of FeS formed when 9.42 g of iron reacts…

Calculate the mass of FeS formed when 9.42 g of iron reacts with 8.50 g of sulfur according to the following reaction.             Fe(s) + S(s) → FeS(s)

Published June 16, 2021
Categorized as Uncategorized

Which potential complication will the nurse expect in patien…

Which potential complication will the nurse expect in patients with a venous access device?

Published June 16, 2021
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Ammonia reacts with diatomic oxygen to form nitric oxide and…

Ammonia reacts with diatomic oxygen to form nitric oxide and water vapor:             4NH3 + 5O2  →  4NO + 6H2O             When 20.0 g NH3 and 50.0 g O2 are allowed to react, which is the limiting reagent?

Published June 16, 2021
Categorized as Uncategorized

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