Which type of reaction occurs without being started by some outside force?

combustion reaction

physical reaction

spontaneous reaction

activation energy reaction

Which of the following are examples of strong electrolytes? a. strong and weak acids b. strong acids and strong bases c. weak acids and weak bases d. pure water and buffers

What are the correct formulas for copper (ii) nitrate hexahydrate and lithium chromate dihydrate?

If an object is red, what type of light is being absorbed by the material? Red Black White All colors but red

How many different possible structures of trichlorobenzene exist? A) 1 B) 2 C) 3 D) 4

What does it mean for a chemical equation to be balanced?

If 5.0mL of HC2H30 require 4.96mL of 0.9581 M NaOH to just consume the HC2H302, what is the concentration of the HC2H3O2? If necessary, show the calculation on a separate sheet of paper, scan, and submit with your lab report.

How many formula units of CaSO4 are in 17g of CaSO4?

Which of these would be an appropriate way to describe the concentration of orange candies? Check all that apply the number of orange candies divided by total number of candies the mass of orange candies divided by total mass of candies the volume

A 8.00 L tank at 26.9 C is filled with 5.53 g of dinitrogen difluoride gas and 17.3 g of sulfur hexafluoride gas. You can assume both gases behave as ideal gases under these conditions.

What type of wave is sound? a. gamma b. pressure c. electromagnetic d. light