Can someone answer all questions please if your not going to answer all of them please move along

2. A flask contains a mixture of 2.66molHe and 0.78 mol Ne gases. Determine the partial pressure od Ne( in mm ) if the total pressure is 443mm. 3. What is the root-mean square(Urms) of a nitrogen molecule that has a average KE of 6.241021j/ molecule? 4. What is the root mean square speed of SO2 gas at 838C ? ( O=16.00g/mol,S=32.07g/mol) 5. Calculate molar mass (g/mol) of a gas if its root mean square speed is 1.82102m/s at 23C. 6. the ratio of effusion of an unknown diatomic gas to argo is 0.28:1. What is the molar mass of the unknown gas