(a) sodium hydroxide + ammonium sulfate --> sodium sulfate + ammonium hydroxide
sodium sulfate precipitates in aqueous solutions
(b)<span> niobium(V) sulfate + barium nitrate → Barium sulfate + niobium nitride
both do not precipitate in aqueous solution
</span>(c) strontium bromide + silver nitrate ---> strontium nitrate + silver bromide
both do not precipitate in aqueous solution
Answer:
BE DIRECT, DON'T BE AFRAID. THE FACT THAT THEY ARE OF THE SAME SEX IS NOT RELEVANT.
SPEAK FROM THE HEART, EXPRESS YOUR FEELINGS HONESTLY.... AND IF HE REJECTS YOU, SMILE AND THINK "AT LEAST I TRIED, SOMEONE BETTER WILL EXIST" AND DON'T LET YOURSELF BE PUT DOWN UWU
Explanation:
(SORRY IF IT'S NOT VERY UNDERSTANDABLE, I SPEAK SPANISH AND I'M USING TRANSLATOR ._.)
Answer:
It does not matter where the sample of water came from or how it was prepared. Its composition, like that of every other compound, is fixed.
f = 40 Hertz
Explanation:
Velocity of a wave = frequency × wavelength
frequency = velocity/wavelength
20m/s = f × 0.50
20/0.50 = f
40 Hertz = f or f = 40 Hertz