If 2g of an isotope has a half life of 7 days, the half life of 1g of sample will be

Dustin saw the following moon phase in the sky. What moon phase will he most likely see in 14 days? A. a first-quarter moon B. a new moon C. a last quarter moon D. a full moon Reset Submit

Haber was able to manufacture large amounts of ammonia, what do plants convert ammonia into? Hydrogen Nitrate Oxygen Carbon Dioxide

The what of a compound denotes the ratio of ions in the compound

Select the statements below that are false and think about why they are not true. a) If a chemical reaction is spontaneous then the? Ssys must always be positive.

29 Which statement describes the relative masses of two different particles? (1) A neutron has less mass than a positron. (2) A beta particle has less than a neutron. (3) An alpha particle has less mass than a positron.

Balance the following redox equation in acidic solution using the smallest integers possible and select the correct coefficient for the H + (aq) ion.

Toussaint L' ouveeture lead a revolt that eventually resulted in Independence for

If a solution contains 1 x 106 hb molecules, how many o2 binding sites are available? if the solution of hb is 50% saturated with o2, how many binding sites are occupied by o2?

A. what are isotopes? b. how are the isotopes of a particular element alike? c. how are they different?

The line of longitude used as the origin in a system of coordinates