What is 28 plus blank equal 78

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?