What mass of helium is in a 2.00L ballon at STP

Match the action to the effect on the equilibrium position for the reaction N2 (g) + 3H2 (g) ⇌ 2NH3 (g). Match Term Definition Increasing the pressure A) No effect Removing hydrogen gas B) Shift to the right Adding a catalyst C) Shift to the left

How many moles are in 150g of Calcium?

The gene for the favorable in case this cotton DNA

One isotope of a metallic element has a mass number of 65 and 35 neutrons in the nucleus. the cation derived the isotope has 28 electrons. write a nuclear symbol for this element

Wind erosion occurs at a faster rate in the desert then in place of the pacific layer of vegetation covering the ground why do you think this is the case

Which one of the following concept of air is least necessary

The kinetics of the decomposition of dinitrogen pentaoxide is studied at 50°C and at 75°C. Which of the following statements concerning the studies is correct?

Anhydrous calcium chloride removes water vapor from the air inside a container having an air-tight seal called a desiccator. Explain

A water sample from a hot thermal vent contained a single-celled organism that had a cell wall but lacked a nucleus. What is its most likely classification?

3. What Why are high-altitude weather balloo inly partially filled when they are launched with flying? OER PS