Helppp pleasee Part A
Calculate the density of sulfur hexafluoride gas at 93.6 kPa and
23 °C. Express the density in grams per liter to three significant digits.

Part B
Calculate the molar mass of a vapor that has a density of 7.125 g/L at
11 °C and 99.1 kPa. Express the molar mass in grams per mole to three significant digits.
​

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.