Which of the following people would most often use chemistry in their work?

A. A receptionist or secretary

B. A politician

C. A kindergarten teacher

D. A paint manufacturer

Industrially, vanadium metal, which is used in steel alloys, can be obtained by reacting vanadium (V) oxide with calcium at high temperatures: 5Ca + V2O5 longrightarrow 5CaO + 2V In one process, 1.540 * 103 g of V2O5 react with 1.960 * 103 g Ca.

What information do you need to convert between moles and mass of a substance?

Cobalt-63 has a half-life of 5.3 years. If a pellet that has been in storage for 15.9 years contains 40.0g of Cobalt-63, how much of this radioisotope was present when the pellet was put into storage? Show work.

Determine the enthalpy for this reaction: 2naoh (s) + co2 (g) →na2co3 (s) + h2o (l) express your answer in kilojoules per mole to one decimal place.

How many naturally occurring elements are there

How many grams of HNO3 are produced when 60.0 g of NO2 completely reacts?

Why is NH3 considered a weak base?

List of 10 strong bases and acids?

When does cell growth occur

What is state symbols