You breathe in 3.0 L of pure oxygen at 298 K and 1,000 kPa to fill your lungs. How many moles of oxygen did you take in? Use the ideal gas law: PV = nRT where R=8.31 L-kPa/mol-K

A. 0.05 MOLE

B. 1.21 MOLES

C. 2.42 MOLES

D. 20.0 MOLES

A 2.320 mol quantity of NOCl was initially placed in a 1.750 L reaction chamber at 400°C. After equilibrium was established, it was found that 28.

What are the bases that pair up to bake up the rugs of DNA ladder

What is the correct name for S^-2 ion? * a. Sulfite ion b. Sulfide ion c. Sulfate ion d. Sulfur ion 2. Gallium is a Group 3A metal. Which ion does Ga typically form? * a. Ga^-3 b. Ga^+3 c. Ga^-5 d. Ga^+5

CH3-C (CH3) = CH-CH=CH2 + HBr->?

A carbon forms two bonds to two X atoms plus two more bonds to two hydrogen atoms. If the hybridization to each X has 79.

The molecules in a solid object A. flow freely around each other B. vibrate slowly C. are completely still all the time

How many moles of water can be obtained from the reaction of 4 moles of O2?

A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white substance B and a gas C. The gas has exactly the same properties as the product obtained when carbon is burned in an excess of oxygen.

C). If 0.5 mole of oxygen (0,) reacted with hydrogen (H2), how many mole of water (H, 0) was produced from the reaction?

A cube has a depth of 10 cm. What is the volume of the cube? Or What is depth?