What is the dilution factor when 0.2 mL is added to 3.8 mL diluent?

When sodium and flourine combine to produce the compound NaF, the ions formed have the same electron configuration as atoms of

What is another name for newton's first law of motion?

How many conversion factors can be created from one equivalence statement

What is the frequency of light having a wavelength of 455nm

Differentiate between mass, volume, and density. Explain why only changing the shape of an object would have no effect on its density.

How many atoms of Hydrogen are in 67.2 L of H2 at STP?

If a 45 mM phosphate solution (solution A) had an absorbance of 1.012. What would be the absorbance if 11 mL of solution A was used to prepare a 20.0 mL of a new phosphate solution. Write answer to three significant figures.

Which choice best describes the specific heat of water compared with that of metals? A) The specific heat of water is less than the specific heat of metals. B) The specific heat of water is about the same as the specific heat of metals.

Which of the following answer choices best describes J. J. Thomson's plum-pudding model? An atom is surrounded by a firm outer shell and contains positively charged particles in its core.

A series of enzymes catalyze the reactions in the metabolic pathway X → Y → Z → A. Product A binds to the enzyme that converts X to Y at a position remote from its active site. This binding decreases the activity of the enzyme. What is substance X?