HELP, HELP! WILL MARK BRAINLIEST 55 kernels of popcorn have a mass of 6.0 g before popping and 4.5 g after popping.

3.)Calculate the average mass of 1 kernel of unpopped popcorn.

4.) Calculate the average mass of water lost from 1 kernel of popped popcorn.

5.) How many water molecules are lost from an average kernel of popcorn? HELP PLEASE

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

How many moles of na2s2o3 are needed to react with 0.12mol of cl2? show work.

Iv the concentration of ionic substances is important for the heart to beat. your heart responds to electrical impulses that travel through heart cells that are made up mostly of water. which properties of ionic compounds are important to support this function? solubility in water conductivity crystalline melting point الم" الا به done رلرلرللللہ و و او 8