What precipitate is formed when lead(II) nitrate is mixed with ammonium sulfate?
The specific heat capacity of stainless steel 0.505 J/gK. Wh…
The specific heat capacity of stainless steel 0.505 J/gK. What is the heat capacity of a 45.0 g stainless steel spoon?
A solution of potassium hydroxide is standardized against po…
A solution of potassium hydroxide is standardized against potassium hydrogen phthalate (KHC8H4O4). A sample of 0.5544 g of potassium hydrogen phthalate requires 30.88 mL of potassium hydroxide solution to reach a phenolphthalein endpoint. What is the molarity of the potassium hydroxide solution?
The ΔE of a system that releases 12.4 J of heat and does 4.2…
The ΔE of a system that releases 12.4 J of heat and does 4.2 J of work on the surroundings is __________ J
What is the net ionic equation for a reaction between a stro…
What is the net ionic equation for a reaction between a strong acid and a strong base?
Consider 100 g blocks of aluminum (specific heat capacity: 0…
Consider 100 g blocks of aluminum (specific heat capacity: 0.897 J/g°C) and iron (specific heat capacity: 0.449 J/g°C). Both blocks are placed on a hotplate such that 1000 J of energy is transferred to each block. What happens to their temperatures?
An unknown compound is determined by elemental analysis to h…
An unknown compound is determined by elemental analysis to have the following composition: Element Mass(%) Cs 66.3 Cl 17.7 O 16.0 What is the compound’s empirical formula?
The kinetic energy of a 7.3 kg steel ball traveling at 18.0…
The kinetic energy of a 7.3 kg steel ball traveling at 18.0 m/s is __________ J.
The reaction NH3(aq) + H2O(l) → OH-(aq) + NH4+(aq) is an exa…
The reaction NH3(aq) + H2O(l) → OH-(aq) + NH4+(aq) is an example of _____?
What is the correct name for the salt formed between calcium…
What is the correct name for the salt formed between calcium hydroxide and hydrochloric acid?