Which of the following is not a correct formula unit?

MgO

Ca2N3

KCl

Li3N

By measuring the equilibrium between liquid and vapour phases of a solution at 30.0 degree C at 1.00 atm, it was found that xA = 0.220 when yA = 0.314.

How is the number 7.89 x 10^3 expressed in regular numerals? 7,890 78,900 6789

Is this a good scientific question? "Is the lifespan of snowshoe hares, which are white in the winter and brown in the summer, affected by levels of winter snowfall?" A) Yes, because the question is specific.

Select the single best answer. Predict the pH (> 7, < 7, or = 7) of a LiHCO3 solution.

What is the mass in grams of 12.26 mL of acetone

The spines and thick wavy cuticle on a cactus are both what

What type of chemical process is used to create perfume?

Which of the following is a polyatomic ion? O A. HCI O B. Na O C. PO, O D. 52

What are the cations and anions for V2 (CO3) 3

If you were asked to convert 4.2 x 1022 atoms of aluminum to moles, which of the following should you use for the conversion?