Which of the following is not a part of Darwin's theory of evolution?

a.

Changes in organisms occur immediately.

b.

Organisms change over time.

c.

Species evolution occurs through natural selection.

d.

Organisms developed from common ancestors.

True or false the number of neutrons in an atom is equal to the atomic number minus the atomic mass

Isomers have the same physical properties because the chemical formulas are identical. True False

0.60 moles of potassium nitrate is dissolved in 300 mililiters of solution

How many moles of PbS are equivalent to 458 g PbS?

Describe three types of chromatography and list an example of a real world application each

Wilma dissolves 10,00 grams of glucose with water and the final volume of solute and solvent is 66.67 mL. What is the concentration of glucose in her solution? a. 10% (m/v) O b. 15.% (mv) O c. 25 % (m/v) d. 30.% (m/v) e. None of the above.

It takes 11.2 kj of energy to raise the temperature of 145 g of benzene from 22.0°c to 67.0°c. what is the specific heat of benzene? it takes 11.2 kj of energy to raise the temperature of 145 g of benzene from 22.0°c to 67.0°c.

Find [OH-], pH and pOH of a solution where [H+]=7.2x10-2M

What is the power of 10 when 72,500 is written in scientific notation

77.60 ml of. 210 M NaOH are required to neutralize 25.05 ml ofH2SO4 solution in a titrationexperiment. Calculate the molarity and normality of theH2SO4 solution.