You are to give Mrs. Waters a shower. She is incontinent of bowel and bladder, can sit in a chair, but is weak. When should you wash Mrs. Waters’ perineal area?

A physics student adds two displacement vectors with magnitudes of 8.0 km and 6.0 km. Which one of the following statements is true concerning the magnitude of the resultant displacement?

In the blood pressure reading 120/80, 120 refers to which number?

Which one of the following expressions may be used to correctly find the angle θ in the drawing?

If the percent yield for the reaction is known to be 65.0%, what should your actual yield be if you react 9.23 mol of Cl2(g) with 24.2 mol of F2(g)? Cl2(g) + 3F2(g) → 2ClF3(g) Substance Molar mass (g/mol) F2 38.00 Cl2 70.90 ClF3 92.45

What volume of water (in mL) do you need to add 50.0 mL of a 0.250 M of NaCl(aq) to bring the concentration down to 0.100 M?

The mathematical expression for the change in free energy of a system is ΔG = ΔH – TΔS. Which of the following statements best describes a term in this equation?

Which one of the following choices is a vector quantity?

The table gives the x and y components of two vectors A and B: Reference: Ref 1-2 Which one of the following statements concerning these vectors is true?

How many grams of BaCO3(s) (molar mass = 197.31 g/mol) could you theoretically produce if you react 58.0 g of BaI2(aq) (molar mass = 391.10 g/mol) with 39.0 g K2CO3(aq) (molar mass = 138.21 g/mol)? BaI2(aq) + K2CO3(aq) → BaCO3(s) + 2 KI(aq)