Chemistry, 18.03.2021 03:00 pulverjonathan1
Question 2 (2 points) Which of the following is true about finding the molar mass of potassium sulfate, K2SO4?
The molar mass is found by adding the molar mass of K, to the molar mass of sulfate.
The molar mass is found by taking 2 x the molar mass of K, plus 1 x the molar mass of sulfur, plus 4 x the molar mass of oxygen
The molar mass is found by using Avogadro's number divided by 22.4.
The molar mass of potassium sulfate is a number between 1 and 10.
Answers: 3
Chemistry, 21.06.2019 18:00, mommatann
In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible? a. attractive forces between gas particles are negligible because the particles of an ideal gas are moving so quickly. b. collisions between gas particles are elastic; there is no net gain or loss of kinetic energy. c. gases consist of a large number of small particles, with a lot of space between the particles. d. gas particles are in constant, random motion, and higher kinetic energy means faster movement.
Answers: 1
Chemistry, 22.06.2019 21:30, leenzazou587
Liquid ammonia is produced at high temperatures and under great pressure in a tank by passing a mixture of nitrogen gas and hydrogen gas over an iron catalyst. the reaction is represented by the following equation. n2(g) + 3h2(g) → 2nh3(g) changing all but one experimental condition will affect the amount of ammonia produced. that condition is a) increasing the concentration of both reactants b) changing the temperature within the tank c) decreasing the pressure within the tank. d) increasing only the amount of nitrogen present.
Answers: 1
Question 2 (2 points) Which of the following is true about finding the molar mass of potassium sulfa...
English, 13.11.2019 01:31
Mathematics, 13.11.2019 01:31
Mathematics, 13.11.2019 01:31
Mathematics, 13.11.2019 01:31
Geography, 13.11.2019 01:31