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)

To prevent legs and ankles from swelling while sitting in a wheelchair, residents may

Action Inc., a sports brand, gives a portion of its profits to the local sports club that offers free coaching to children from lower income groups. This donation to a community organization is an example of ________ responsibility.