You text them to tell them that you are no longer BFFs, but the planet is on the far side of the sun compared to earth - 378 million km away. The radio signal carrying your message travels at the speed of light: 3.0 x 108 m/s. Assuming perfect communication transmission to and from Mars, when's the
earliest you could expect to receive their reply to your message?
Your final answer should be expressed in a sentence or two, and given in minutes and seconds, without any decimals (there is no such

1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /

Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)

Why can water dissolve many ionic compounds