Develop Which of the following rules should you follow to balance
chemical equations?
a
change only the subscripts
b use the smallest possible subscripts
add coefficients as needed
d
two of the above

An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?