I just started to learn this and I need some help...

Helpoooooooooooooooooooo When is the Yolanda Which of these lead (II) salts will dissolve to the greatest extent in water?a. PbSO4, Ksp = 1.7x10^-8b. PbI2, Ksp = 6.5x10^-9c. PbCrO4, Ksp = 1.8x10^-14d. PbS, Ksp = 2.5x10^-27e. Pb3(AsO4)2, Ksp = 4.0x10^-36 Can someone pls help me with this (8th grade science) 7) In the context of the passage, what can the audience assume to be trueabout Widow Douglas?A) She is related to Aunt Polly.B) She does not like Tom Sawyer.C) She is honest and respectable.D) She does not treat the narrator well. . in a level playing field, What is the purpose of each of the notes documenting the sources? The Treaty of Versailles ended World War I, but some of the terms of the treaty contributed to the beginning of World War II. Which was one of the terms of the treaty? how does poe demonstrate or communicate the theme through the symbol of the beating heart imagine submitting a question on here-anyways-help me Please help it would help a lot HELPPPPP A ball valve is used to isolate the house water, from the irrigation water? True False PLEASE HELP WILL MARK BRAINLIEST NEED ASAP . Plz help If the particles were moving with a speed much less than c, the magnitude of the momentum of the second particle would be twice that of the first. However, what is the ratio of the magnitudes of momentum for these relativistic particles? In medieval feudalism, vassals gave their allegiance to a __________ in exchange for land._______________________________________________________A) kingB) lordC) peasantD) serf _______________________________________________________Please select the best answer from the choices providedA)B)C)D)_______________________________________________________ after scoring a touchdown the billies linked up for the kickoff . the kicker kicked the football 60 yards deep into the end zone. the hang time on the ball was 8.5 seconds . what was the average speed of the ball n(A)=10n(B) = 12n(AUB) = ? i need help pls and thank you very much also give brainlesit . En Nueva York, Estados Unidos, no me gusta el calor ni la estacin de mucho fro. Prefiero el ________. verano primavera otoo invierno ONLY ANSWER IF YOU PLAY ADOPT ME ON ROB.LOX!!! tell me your best pet and user name in your answer plz.READ!!!!! p.s. i have a fly ride T rex and more! also, STAY ON THE PAGE SO I COULD RESPOND AND WE COULD PLAY! yay!! :) :)