What volume is needed to store 0.050 moles of helium gas at 202.6 kPa and 400 K? (Given: R = 8.314 L∙kPa/K∙mol)

A) 1.218 L

B) 121.8 L

C) 0.820 L

D) 8.21 L

E) 82.1 L

Describe how experimental evidence led each of the following scientists: Dalton, Rutherford, Thompson, Chadwick and Bohr, to develop increasingly more accurate models of the atom. You may use outside resources to supplement your essay.

The reaction: 2 CO (l) + O2 (g) ⇄2 CO2 (g) with a  H = - 25.0 kJ/mol, is at equilibrium. Which of the following lists three ways this reaction can be shifted to the right? A. remove CO2, lower pressure and remove COB.

According to the map shown, why is geothermal renewable energy resource more often used west of the Mississippi River? A) Geothermal energy requires high subsurface temperatures that can found east of the Mississippi River.

Is carbon dioxide an organic substance

What is a single kind of organism that can reproduce among its own kind?

The equilibrium constant for the production of carbon dioxide from carbon monoxide and oxygen is kc=2*1011 this means that the reaction mixture at equilibrium is likely to consist of

Arrange these compounds in order of increasing standard molar entropy at 25°C: C3H8 (g), C2H4 (g), ZnS (s), and H2O (l).

A gas has a temperature of 14 degrees C and volume of 4.5 liters. If the temperature is raised to 29 degrees C and the pressure is not changed, what is the new volume of the gas? .

What groups of elements do not have a charge and why

How many grams of Br are in 2.0 moles of CaBr2?