What is the molarity of a solution prepared by dissolving 2.41 g of potassium iodide, KI in 100 mL of water?
What is the pressure in a 1.5 L vessel containing 0.25 moles of )2 if the temperature is 37 degrees C? R the universal gas constatn is 0.082 L atm/mole K
What is the fromulat for copper (II) sulfate?
a coin is tossed 16 times. What is the standard deviation?
An insurance sales representative selects 4 policies to review. The group of policies she can select from contains 10 life policies, 5 automobile policies, and 3 homeowners policies. Find the probability of selecting all life policies. The number of ways to select all life ins...
A committee consisting of 6 people is to be selected from eight parents and four teachers Find the probability of selecting three parents and three teachers?
What is the molarity of a solution prepared by dissolving 4.92 g of calicum nitrate in 250 mL of water?
What volume (in liters) is occupied by 0.01 moles of carbon monoxide, CO at 9 degrees C and 0.973 atm?
Ethane, C2H6, has a molar heat of vaporization of 15kJ/mole. How many kilojoules or energy are required to vaporize 5 g of ethane?
how many gram of Co2 are formed for every gram of CH4 that combusts