Determine the mass number of an element that contains 26 protons, 22 electrons, and 30 neurons

Names of the sugar acid produced by the oxidation of d-ribose

Calculate the vapor pressure lowering on an aqueous solution of glycerin that contains 180g of glycerin and 1000g of water at 25c. The vapor pressure of water at this temperature is 23.8torr.

If the mass of a material is 106 grams and the volume of the material is 23 cm3, what would the density of the material be? g/cm3

What is the chemical equation of fire?

Where do the OH - ions go as additional acid is added? 1. they evaporate. 2. They combine with excess H + ions to form more water. 3. They remain in solution at the same concentration. 4. They remain in solution but change concentration.,

Suppose the average concentration of copper in water is measured to be 2.5 x 10" M. a. Express this concentration in mg/L. b. Express this concentration in ug/L. c.

If I add water to oil what will happen

Commercial fertilizers, which are made by humans, are used to enrich soil for healthier crops. However, erosion may carry the fertilizer chemicals to the oceans. The presence of these chemicals may cause certain kinds of algae to reproduce rapidly.

A cube of iron has a temperature of 35°C. It is placed on top of a hot surface with a temperature of 175°C. What will happen to the iron? A) Its temperature will decrease. B) Heat will flow from the hot surface into the iron.

Density differences cause the