What is the totalnumber ofpelectrons in a single phosphorus atom in its groundstate?

Based on the equation and the information in the table, what is the enthalpy of the reaction?

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83