If a DES chip can do three decryptions in five clock cycles and it is clocked at 10 GHz, compute the average and worst case time (in years) required to do a brute force attack with a known plaintext. How does this compare with the age of the earth which is estimated to be 4.55 billion years

How do forces between particles in gases compare to forces in the other states of matter? o a. the forces in gases are stronger than forces in solids but weaker than forces in liquids. o b. the forces in gases are weaker than forces in solids but stronger than forces in liquids. o c. the forces in gases are weaker than forces in solids and liquids. o d. the forces in gases are stronger than forces in solids and liquids. submit

Why is nh3 classified as a polar molecule

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.