Chemical A and Chemical B react in an exothemic reaction. What can be known about what will happen when chemical A and chemical B are mixed together?

Calculate the molality of a solution formed by dissolving 34.8 g of lii in 500.0 ml of water. calculate the molality of a solution formed by dissolving 34.8 g of lii in 500.0 ml of water. 0.520 m 0.260 m 0.254 m 0.696 m 0.130 m

A sample of phosphorus-32 has a half-life of 14.28 days. If 55 g of this radioisotope remain unchanged after approximately 57 days, what was the mass of the original sample?

Which of these is a mixture? Carbon Carbon dioxide Air Oxygen

Analyze: The metallic character of an element is determined by how readily it loses electrons. Elements that lose electrons most easily have the greatest metallic character A. Which group has the greatest metallic character? B.

What are waves used to penetrate solids and use in doctors offices

Is it living or nonliving?

Which probably best indicates that a compound contains an ionic bond

A gas in a balloon at constant pressure has a volume of 185 mL at - 125*C. What is it's volume at 31.0*C? Show all work including what equation or gas law you use.

Which of the following is a property of metals that is due to the delocalized electrons A. transparency B. dull Appearance C. brittle D. good conductor

Three identical beakers each hold 1000 g of water at 20 ∘C. 100 g of liquid water at 0∘C is added to the first beaker, 100 g of ice at 0 ∘C is added to the second beaker, and the third beaker gets 100 g of aluminum at 0∘C.