Your friend sent you a 20.5 kg package how much will it weigh in pounds (1 pound = 0.453 kg)

How would the composition of an atom change if both the atomic number and mass number each increase by one?

0.57 centimeter to meter

What is the Bronsted-Lowry definition of an acid? a compound that donates protons a compound that accepts protons a substance that increases hydroxide ion concentration a substance that increases hydronium ion concentration

The density of a 20.3 m ch3oh (methanol) solution is 0.858 g/ml. what is the molality of this solution? h2o is the solvent. a. 17.4 m b. 20.8 m c. 23.7 m d. 70.0 m e. 97.6 m

Cell Walls Function (short)

What type of reaction does Fe+Ag2SO4-FeSO4+Ag

In which one of the following solutions is silver chloride themost soluble? A. 0.744 M LiNO3 B. 0.0176 M NH3 C. 0.181 M HCl D. 0.181 M NaCl E. pure water

A 5.701 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 12.28 grams of CO2 and 5.029 grams of H2O are produced. In a separate experiment, the molar mass is found to be 102.1 g/mol.

One amu is equal to the mass of an electron the mass of one proton or one electron the mass of one neutron or one electron the mass of one neutron or one proton

Given an unknown mixture consisting of two more substances, explain how could you determine whether that mixture is a true solution, a colloid or a suspension