Calculate the pressure, in kPa, of a 500 milliliter aerosol can containing 250 grams of steam at a temperature of 205oC.

Which one of the following is an oxidation-reduction reaction? naoh + hno3 --> h2o + kno3 naoh + hno3 --> h2o + kno3 so3 + h2o --> h2so4 cacl2 + na2co3 --> caco3 + 2 nacl ch4 + 2 o2 --> co2 + 2 h2o al2(so4)3 + 6 koh --> 2 al(oh)3 + 3 k2so4

Can anyone answer these questions? ? i need it before 1: 00pm today

How to draw a diagram to represent a calcium metal lattice?