What mass of water is required to react completely with 157.35 g CO2? (Molar mass of H2O = 18.02 g/mol; molar mass of CO2 = 44.01 g/mol

6. Which of the following statements correctly describes what happens to the diaphragm during an inhalation, when the lungs inflate? O A. The diaphragm returns to its resting state. O B. The diaphragm contracts and flattens. O C.

At constant volume, the pressure of gas Y increases with increasing temperature because as the temperature increases, 1. The mass of why molecules increases 2. Molecular collisions are more elastic 3. Molecular volume of y increases 4.

Which element is most chemically similar to chlorine? Ar F Fr S

1. How many atoms of nitrogen are there in 0.50 mol of (NH4) 2CO3? A. 1 B. 2 C. 3.01 * 1023 D. 6.02 * 1023

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