How many elements have been discovered?

A. 110

B. less than 110

C. more than 110

How many milliliters of 0.130 m h2so4 are needed to neutralize 0.220 g of naoh? express the volume in milliliters to three significant digits?

If the crucible originally weighs 3.715 g and 2. 000 g of hydrate are added to it, what is the weight of the water that is lost if the final weight of the crucible and anhydrous salt is 5.022?

What is the pH of the products that form when an acid reacts with an alkali

What are the two forces that battle within a star?

Stuck stupid science homework. anyone know answers?

An atom of nitrogen has seven electrons. Which diagram correctly respresents the arrangement of these electrons?

A farmer has concerns about the nitrogen levels in her soils. What can she do to ensure that the nitrogen bacteria are replenished in the soil? Question 6 options: Clear cut the area surrounding the field.

The changing of gas to liquid

A very simple assumption for the specific heat of a crystalline solid is that each vibrational mode of the solid acts independently and is fully excited and thus cv=3NAkB=24.9 kJ / (kmol⋅K). This is called the law of Dulong and Petit.

How many elements are found in the following chemical equation? K + Cl → KCl A. 1 B. 2 C. 3 D. 0