General Chemistry Answers

When 225 mL of H₂O at 16⁰C are mixed with 85 mL of water at 87⁰C, what is the final temperature? (Assume that no heat is lost to the surroundings; dH₂O = 1.00 g/mL. C_water = 4.18 J/g. K )

Hint: the heat given by the hot water is received by the cold water.

Then 

Starting with 50cm3 of 2M sodium hydroxide,describe how you can prepare sodium sulphate crystals

Starting with barium, describe how you can prepare barium nitrate

Which set of elements forms molecules which contain two atoms?

50mL 0.200 M NaOH and 30 mL of 0.125M Fe(NO3)3 are mixed how many grams precipitate will be formed?

Chlorine pentafluoride (ClF5) is formed by reacting chlorine gas (Cl2) and fluorine gas (F2). Calculate the volume (in L) of CIF5 that can be formed from 9.80 L of F2 at 100°C and a pressure of 1.00 atm.

20.0g of plumbous nitrate is added to 33.0 of potassium iodide to form plumbous iodide Ang potassium nitrate

The complete transfer of one or more electrons between atom constitutes in forming ___________. A. Ionic bond B. Covalent bond C. Coordinate covalent bond D. Dative bond

A sample of carbon dioxide occupies a volume of 3.50 liters at 125 kPa pressure. What pressure would the gas exert if the volume was decreased to 2.00 liters

 correct interpretation of the following chemical equation? K₂CO₃(aq) +Mg(NO₃)₂ --> 2KNO₃(aq) + MgCO₃(s)