Hlo guy's please follow me and Someone can tell me a joke please I'm s bored​

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

What is the value of keq for the reaction expressed in scientific notation?