Which of the following Group 1A elements is the least reactive? A. Cs (cesium) B. Li (lithium) C. K (potassium) D. Na (sodium)

Information related to a titration experiment is given in the balanced equation and table below. H2SO4 (aq) + 2KOH (aq) → K2SO4 (aq) + 2H2O (2) Titration Experiment Results volume of H2SO4 (aq) used 12.

A bottle of 2 moles of an ideal diatomic gas experiences a temperature increase of 50.0K at constant volume. (a) Find the increase in internal energy if only translational and rotational motions are possible.

Based on the law of conservation of mass, which of the following statements is correct? Matter is neither created nor destroyed. Matter can be created but it cannot be destroyed.

Which of these waves requires a medium to travel through? A) microwave B) sound wave C) light wave D) electromagnetic wave

What kind of covalent bond forms between two fluorine atoms?

A chemical engineer for a fertilizer company is determining the most efficient way to produce ammonia. the engineer carries out the haber reaction under four different conditions.

What type of Bond exist in a molecule of hydrogen Iodide

Which common material is an example of a polyamide?

A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘ C. How many grams of this gasoline would fill a 12.8 gal tank (1US gal=3.78L) ?

A pump contains 0.5 l of air at 203 kpa. you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of air in the pump? 0.2 l 1.0 l 2.0 l 4.0 l