5/3if 87.5 percent of a sample of pure 131 i decays in 24 days, what is the half-life of 131 i?

Which term describes a consumer that eats both plants and animals? A. carnivore B. herbivore C. omnivore D. producer

Cyanide is very toxic in high enough doses because it binds irreversibly to cytochrome C. Which of the following is not an effect of cyanide's inhibition of cytochrome C?

If 6 times a certain number is added to 8, the result is 32

Which sample of matter can be seperated into different substances by physical means

How many c atoms are in molecules of ethanol

When magnesium combines with oxygen, the reaction involves a. a conversion of protons into electrons. b. sharing of electrons between Mg and O. c. transfer of electrons from Mg to O. d. transfer of electrons from O to Mg.

The activation energy for the reaction no2 (g) + co (g) ⟶no (g) + co2 (g) is ea = 100 kj/mol and the change in enthalpy for the reaction is δh = - 375 kj/mol.

What process transform solar energy into chemical energy?

When the reaction was carried out the calculated theoretical yield for water was 176 grams but the measured yield was 148 grams what is the percent yield

For an atom's electrons, how many energy sublevels are present in the principal energy level n = 4?