What does the term chemistry mean?

The inertness of the noble gases is due to a. the outermost shell has six electrons. b. the bonds they form with other elements. c. the number of protons and neutrons. d.

Calculate the molality of a solution that is made up of 250 g of water and 20.0 g of NaOH.

Use the drop-down menus to complete each statement about eubacteria and archaebacteria. are referred to as "true bacteria." are prokaryotes. are single-celled bacteria. y are bacteria that live in extreme environments.

Suppose that a 17.70 gram ball of metal initially at 84.1°C is added to 18.28 grams of an unknown liquid initially at 20.1°C. Assume that the specific heat of the metal is 1.33 J / (g·°C) and the specific heat of the liquid is 3.15 J / (g·°C).

Which states of matter have no definite volume?

The suffix "-megaly in the term gastromegaly means:

The harder you strike a drum, the greater the sound's A) medium B) volume C) frequency D) pitch

The equation X + Y 2Z has the rate law equation shown below. Which of the following statements best describes the relationship of X on the rate of the reaction? rate = k[X]2[Y] Changing X has no effect on the reaction rate.

What moves in or out of a substance during a change of state?

2.5 moles of sodium chloride is dissolved to make 0.050 liters of solution