Whose good at chemistry? xD What mass of Xe is needed to fill a 400 L tank with Xe gas and produce a pressure of 20300 kPa at 25 °C? Assume ideal behavior.

a.) 429.5 kg Xe
b.) 0.4295 g Xe
c.) 900 kg Xe
d.) 429.5 g Xe​

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride