25. Se doreşte obţinerea unei soluţii acide prin dizolvarea în apă a unui aminoacid. Care va fi aminoacidul cel mai potrivit în acest scop?
A. acidul aminoacetic
B. acidul 2-aminopropionic
C. acidul 2-aminopentandioic
D. acidul 2,6-diaminohexanoic
E. acidul 2-amino-3-hidroxipropanoic

The p sub shell can hold up to 8 electrons in an atom. true or false?

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

Alice did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at which the mirror reflects the light. she placed a ray box in front of a mirror. she changed the angle at which the light from the ray box struck the mirror and noted the corresponding angle at which the mirror reflected the light. which of the following is the dependent variable in this experiment? the mirror used to reflect the light the ray box used as the source of light angle at which the light from the ray box strikes the mirror angle at which the mirror reflects the light from the ray box