What causes different liquids to form layers when they are poured into a container?

To determine the molar mass of a protein, a 0.891 g sample of it is added to 5.00 g of water and the osmotic pressure is measured as 0.179 atm at 22.0°C, what is the molar mas of the protein? (The protein is non-ionizing)

Name a method that could be used to separate magnesium hydroxide from sea water

If I have 22 grams of H, O, how many molecules do I have?

Which statement best compares the properties of compounds and elements that the compounds contain?

What is Atomic mass A: the mass of the atom based on the mass of an atom of oxygen-16 B: the mass of an atom based on the mass of an atom of carbon-12 c: the average mass of all isotopes d: the mass of the atom based on the mass of an atom of

The thermal effect of the water formation reaction is 286 kj. what will be the thermal effect of its decomposition? why?

Given 13.5 grams of substance Z, if the substance absorbs 36 kilojoules of energy and the temperature increases by 25 degrees Celsius, what is the specific heat of the substance? 1.07 x 102 J/g·°C 1.22 x 104 J/g·°C 1.07 x 10-1 J/g·°C 1.

DNA is a nucleic acid made of building blocks called nucleotides. Which of the following options make up nucleotides?

A person drinks eight glasses of water each day, if each glass contains 300mL how many liters of water does a person drink in a year?

An organic compound contains C=61%, H=11.8% and O=27.12%. Calculate the empirical formula and molecular formula of the compound. The vapour density of the compound is 59.