What is the designated structural hybridization of the central atom within ethene (C2H4)?

What is the designated structural hybridization of the central atom within beryllium chloride (BeCl2)?

What is the designated structural hybridization of the central atom within methane (CH4)?

Using the Ideal Gas Law (PV=nRT), calculate the approximate volume occupied by 3 moles of an ideal gas at 1 atm pressure and 273 K. (Assume R = 0.0821 L·atm/mol·K)

Using the Ideal Gas Law (PV=nRT), calculate the approximate volume occupied by 5 moles of an ideal gas at 1 atm pressure and 400 K. (Assume R = 0.0821 L·atm/mol·K)

Using the Ideal Gas Law (PV=nRT), calculate the approximate volume occupied by 2 moles of an ideal gas at 1 atm pressure and 400 K. (Assume R = 0.0821 L·atm/mol·K)

Using the Ideal Gas Law (PV=nRT), calculate the approximate volume occupied by 2 moles of an ideal gas at 2 atm pressure and 273 K. (Assume R = 0.0821 L·atm/mol·K)