12.app. edmentum. com Course Activity: Identifying a Substance by Its Properties
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Part C
Now gather all of your pennies dated after 1982. Complete the table for the post-1982 pennies using the same
steps from part B.
В І у 1
Font Sizes
A- A - EEE Z3
number of pennies
combined mass of the pennies (8)
average mass of a penny (8)
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Part

Scientist wants to react a barium chloride salt with an acid. to speed up the reaction, the scientist crushes the barium chloride salt until it is a fine powder. this speeds up the reaction by a. increasing the ph of the salt. b. increasing the surface area of the salt. c. increasing the pressure of the salt. d. increasing the temperature of the salt. im thinking more a not 100% sure

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.