I need help With CHEMISTRY 2). If 0.00100 moles of hydrogen gas at 155 C exert a pressure of 323 atm. What is the volume?

3). If 0.00100 moles of hydrogen gas at 155 C exert a pressure of 323 atm. What is the volume?

4. It is desired to obtain a volume of 1.00 dm3 of nitrogen at 100.C and 640 kPa. How many moles of nitrogen would be required?

5. Some oxygen is collected in a 0.250 dm3 container at 25.0C and 720. kPa. How many moles of oxygen is this

In a spacecraft, the following reaction occurs: co2(g) + 2lioh(s) -> lico3(s) + h2o(i) (i attached picture of equation) how many liters of carbon dioxide will 4 moles of lithium hydroxide (lioh) absorb? (one mole of any gads occupies 22.4 l under certain conditions of temperature and pressure. assume those conditions for this equation.) 45l 6.0l 3.0l 34l

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.