A scientist adds 46.3 J of heat to a 13.4g sample of an unknown substance. the temperature increases by 1.40 celsius. What is the unknown substance?

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

Stage in which a star’s outer layers have started to cool and grow outward?

Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol