calculate the percentage of Na2CO3 in 1 gram of sample dissolved in water and titrated with standard solution of 0.1M HCl. Volume of HCl required is 36.5cm3​

What is the value of keq for the reaction expressed in scientific notation

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.