Counting ten bikes on a bike rack is an example of a qualitative observation.

Notice that the effective analytical connection for analysis of hypochlorite anion by the thiosulfate anion in this experiment is the sum of the two reactions: 1) hypochlorite anion with iodide anion to form iodine, and 2) thiosulfate anion with the

An allergy pill has the following information on its label: This product will reduce the effects of hay fever. This product has not been evaluated by the Food and Drug Administration: This product contains all-natural ingredients.

Examples of colloids?

A 250 ml flask and stopper have a mass of 110.525 g. A 50 ml sample of gasoline is pipetted into the flask, giving a total mass of 146.770 g. Find the density of the gasoline

How does a trigonal pyramid differ from a tetrahedron so far as molecular geometry is concerned? Bond angles in the tetrahedral molecule are 120°, while those for trigonal pyramid are 109.5° A trigonal pyramid is a tetrahedron with two vacant vertex.

Why is conductivity be the best test to find a metal, non-metal or metalloid?

In which way does a na1 + ion differ from a neutral na atom?

Which would not be associated with stable atmospheric conditions afternoon thunder showers is the answer

Which is not a characteristic of a compound? It is a mixture of elements. It has properties that differ from its component elements. It has a fixed proportion of elements.

Can you think of other possible ways scientists can determine what climate was like in the past besides studying ice cores?