How many electrons are present if a bromine ion has a charge of - 1

Which of the following measures the average kinetic energy of particles? A. mass B. entropy C. enthalpy D. temperature

A campfire is made from sticks and logs why do the sticks ignite before

Which electron configuration exhibits the ground-state electron configuration for molybdenum (element 42) ?

What is the maximum mass of ethyl alcohol you could boil with 2000 JJ of heat, starting from 17 ∘C∘C?

The density of SO2 gas in a container at room temperature 25.0 c is 2.51 g/L Determine the pressure in this flask

The osmotic pressure exerted by a solution is equal to the molarity multiplied by the absolute temperature and the gas constant RSuppose the osmotic pressure of a certain solution is measured to be 22. atm at an absolute temperature of 353.

Which one of the following is a redox reaction?. 2 Na (g) + Cl2 (g) 2 NaCl (s) A. K2Cr2O7 (aq) + 2 KOH (aq) 2 K2CrO4 (aq) + H2O (l) B. H2O (l) H + (aq) + OH - (aq) C. Na2CO3 (s) + 2 HCl (aq) 2 NaCl (aq) + CO2 (g) + H2O (l) D.

Name 4 common chemical properties of matter

Why is photosynthesis so important to plants, and can't animals use it?

One way the government of Kim Jong-il controls the lives of the people who live in North Korea is by a. requiring every citizen to vote. b. controlling information its people receive from the outside world. c. enforcing free trade with other nations.