If 15.0 g of a solid dry ice (co2) is placed into an evacuated 5.00 l container and allowed sublime until it is entirely in the gas phase, what pressure (in atm) will the gas exert at 299 k?

Data:

mass, m = 15.0 grams

Molecule = CO2

volume, V = 5.00 liter

temperature, T = 298 K

pressure, P = ?

Formulas:

PV = nRT

n = m / molar mass

Solution:

molar mass of CO2 = 44.01 g/mol

n = 15.0 g / 44.01 g/mol = 0.3408 mol

P = nRT / V = 0.3408 mol * 0.0821 atm*liter/K*mol * 299K / 5.00 liter

P = 1.67 Pa

P = 1.67 Pa

Aconductor easily transfer heat

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.