What type of reaction is the following? Al + H2SO4 > Al2(SO4)3 + H2

Which of the following elements is a representative element? a. chromium (cr) b. aluminum (al) c. mercury (hg) d. silver (ag)

In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife