In a ball-and-stick molecular model, what do the sticks represent?

The specific gravity of iron is 7.87, and the density of water at 4.00 ∘C is 1.00 g/cm3. You can use this information to find the density of iron. Find the volume occupied by 7.00 g of iron.

Ron wants to install an energy efficient and long lasting device for lighting in his new home. Which device should he use?

What is the si unit in time? A. second b. Minute. C hour. d. day

6.1 Raunak took 5 moles of carbon atoms in a containe má Krish also took 5 moles of sodium atoms in another container of the same weight (a) Whose container is heavier? (b) Whose container has more number of atoms?

You need a 45% alcohol solution. on hand, you have a 480 ml of a 40% alcohol mixture. you also have 85% alcohol mixture. how much of the 85% mixture will you need to add to obtain the desired solution?

Which microscope came out first

Which exerts greater pressure on the floor-standing flat-footed or standing on tiptoe? on tiptoe, because the force acts over less area on tiptoe, because the force acts over more area flat-footed, because the force acts over more area flat-footed,

1. Sara tells Michael she is 160 centimeters tall, while Michael says he is 60 inches tall. If there are 2.54 centimeters in an inch, who is taller

How do you tell if a compound is polar or non polar

What two ions are central to the arrhenius definitions of acids and bases?