What is the temperature of 0.500 moles of gas in a 2750 mL flask at 3.40 atm? (R = 0.0821 L x atm/mol x K 2.28 x 105 K

254 K

228 oC

228 K

Motivation cannot be developed with practice; a person either possesses it or they do not.

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?