Why might a scientist repeat an experiment if she did not make a mistake in the first one?

Chapter 05, Problem 5.14 An iron-carbon alloy initially containing 0.201 wt% C is exposed to an oxygen-rich and virtually carbon-free atmosphere at 1190°C.

Explain the importance of carbon's ability to form covalent bonds in straight chains, branched chains, or rings. As much detail as possible.

Which statement best summarizes the importance of Ernest Rutherfords gold foil experiment? It proved that all john daltons postulates were try. It verifies jj Thomsons work on the atomic structure.

How many atoms are in 2.50 mol of hydrogen?

What factor can limit the buffering capacity of a molecule?

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

How many liters of 0.85 M HCl solution would react completely with 3.5 moles Ca (OH) 2?

The specific heat of aluminum is 0.897 J/g•°C. Which equation would you use to calculate the amount of heat needed to raise the temperature of 0.75 g of aluminum from 7°C to 29°C? A. Q = 0.75 g x 0.897 J/g•°C x 22°C B. Q = 0.75 g x 0.

Carbon dating advisable for measuring materials ages for a few years, thousands of years, millions of years