If two line segments have the same length, which of the following must be true

Which is usually associated with a higher reaction rate? A.) diluting a solution of the reactants B.) adding modeling clay to the reactants C.) removing heat energy from the reactants D.) using a solid with a high surface area in the reactants

Which material has the lowest viscosity? acetone (fingernail polish remover) motor oil glue syrup

Which of the following examples are the result of unbalanced forces? Select all the apply

1. Using the Hoffman apparatus for electrolysis, a chemist decomposes 50.5 g of water into its gaseous elements. How many grams of oxygen gas should she get (theoretical yield) ? 2. Liquid sodium reacts with chlorine gas to produce sodium chloride.

Which of the term best describe the developing country? Select the three

Is filtration is an effective method to purify water for drinking?

Does oxygen release thermal energy

Is adding chocolate syrup to milk a chemical or physical change?

Describe what happens to a reaction that has stopped if more of the limiting reactant is added. What will happen if more of the excess reactant is added?

What is the mass of 5.40*1021 platinum atoms?