Can chemicals be used to separate a solution of potassium and zinc if yes how

What is condensation? is condensation a warming or cooling process?

Which one of these is a compound? a) air b) carbon dioxide c) oxygen and d) carbon

Which physical property can be measured? color density odor shape

Which statement is always true about a reversible chemical reaction? O A. The concentration of reactants is higher than that of the products. B. The products can form reactants, and the reactants can form products. c.

Acetone can be easily converted to isopropyl alcohol by addition of hydrogen to the carbon-oxygen double bond. calculate the enthalpy of reaction using the bond energies given.

Carbon exists in nature as three isotopes. Given the atomic masses and relative abundance of the isotopes, what is the average atomic mass of carbon?

What is the correct value for Avogadro's number? A. 6.022 x 10^23 B. 6.023 x 10^22 C. 6.022 x 10^33 D. 6.022 x 10^2.3 E. none of the above

Fossil fuels are considered useful to humans because they are

Which organelles are unique to plant cells? chloroplasts mitochondria vacuoles nuclei

An atom that has 13 protons and 15 neutrons is an isotope of the element? How can I count it?