A monosaccharide is a what?

Which has a greater mass, a kilogram of feathers or a kilogram of iron? Which has a greater density? Explain.

The specific heat of aluminum is 0.214 cal/g. oC. Determine the energy, in calories, necessary to raise the temperature of a 55.5 g piece of aluminum from 23.0 to 48.6oC.

Describe the experiments conducted by Thomson and Rutherford, and how the observations and evidence from each of these experiments led to changes in the model of the atom.

2KHCO3 (s)  K2CO3 (s) + CO2 (g) + H2O (l) How many moles of potassium carbonate will be produced if 454 g of potassium hydrogen carbonate are heated? A) 2.27 mol B) 3.29 mol C) 11.4 mol D) 227 mol E) 4.54 mol

How are elements in each group the same?

Using the following formula 4HF+S1O2>S1F4+2h2o How many moles of HF will react completly with 9.0 moles ofFIO2?

Which of the compounds above are strong enough acids to react almost completely with a hydroxide ion (pka of h2o = 15.74) or with a bicarbonate ion (pka of h2co3 = 6.37) ?

When an ionic bond is formed, what type of atom is likely to lose one or more electrons?

What is the correct symbol for an atom of tritium

Without doing any calculations, which transition in the hydrogen atom has the shortest wavelength?