Phosphorus-32 has a half-life of 14.3 days. How many milligrams of phosphorus-32 remain after 71.5 days is you start with 4.00 mg of the isotope?

Identify the compounds that are soluble in both water and hexane. A) methanol and ethanol B) ethanol and 1-butanol C) ethanol and 1-propanol D) 1-butanol and 1-pentanol E) 1-propanol and 1-butanol

What is an evenly distributed, uniform mixture called? O A. A compound B. A homogeneous mixture C. An ionic solid O D. A heterogeneous mixture

What is the largest subatomic particle

Wood rotting physical or chemical change?

Carbon disulfide is formed by the reaction of coke (carbon) with sulfur dioxide. how many moles of cs2 will be generated if 8.0 moles of coke react with a surplus of sulfur dioxide? 5c 2so2 → cs2 4co

7. A perfect cube has a width of 2 cm. What is the cube's volume? Show your work!

Predict at least two circumstances (outside influences) that would cause a system in equilibrium to change the concentrations of its reactants or products.,

How many atoms are there in 2.3 grams of H?

Which of the following would dissolve in water, and why? None of these substances would dissolve in water Candle wax, it is a nonpolar substance Motor oil, its primary IMF is London Dispersion Forces Acetic acid, it ionizes into ions when added to

Have a region surrounding the central area called