Imagine you need to make a model that shows the locations of the parts of a sodium atom. Explain which type of model you would use.

Which change will decrease the number of effective collisions during a chemical reaction? adding a catalyst increasing the surface area decreasing the temperature increasing the reactant concentrations increasing the volume of the reactants

A ball rolls along a smooth horizontal floor at 10 m/s, then starts up a 20 degree ramp. How high does it go before rolling back?

Is lemonade aquoes solution

Mrs. Smith is demonstrating a chemical change for her class. She places 15 grams of baking soda into a beaker. Next she adds 15 grams of vinegar to the same beaker. When the two compounds make contact, they bubble and fizz a great deal.

What is the abreviation for carbon dioxide?

Mathematically define heat capacity with equations.

If a cube has a volume of 2cm3 and amass of 12.8 grams what is its density

A noncompetitive inhibitor. binds to the active site of an enzyme a. b. increases the rate of enzyme action alters the primary structure of the enzyme c. d. none of these

True or false? The radioactive wastes produced by nuclear fission remain dnagerous for dozens of years

Determine the number of moles of Krypton contained in a 3.25 liter gas tank at 5.80 atm and 25.5 °C.