The use of thermite for welding produces an

exothermic reaction:

Fe2O3 + 2A12Fe + Alog

Which action would increase the rate of reaction?

In nucleophilic acyl substitution: Group of answer choices: A. an SN2 reaction occurs. B. protonation of the carbonyl is followed immediately by loss of the leaving group. C. ester hydrolysis is followed by deprotonation. D.

List four safety precautions that should be taken while in a lab.

Which change takes place in a nuclear fusion reaction? A) Matter is converted to energy. B) Energy is converted to matter. C) Ionic bonds are converted to covalent bonds. D) Covalent bonds are converted to ionic bonds.

What is the concentration of chloride ion when 16.8ml of a 0.554 M solution of barium chloride is combined with 16.8ml of a 0.593M of aluminum chloride?

Nitrogen combines with oxygen to form several different compounds: N2O, NO, NO2, and N2O5. Determine the gram equivalent weight of nitrogen in each compound. Show how these compounds illustrate the Law of Multiple Proportions.

Why is a chemical indicator added to the flask in which a titration will occur? to show when enough base has been added to determine the starting pH of the solution to neutralize the acid before adding the base to identify the starting volume of

Mathematically define heat capacity

Based on what you read on the Marie Curie and the Science of Radioactivity website, name the scientists who shared the Nobel Prize in Physics in 1903 and describe their contributions that were recognized by the award.

What does aluminum hydroxide and calcium sulfate produce

Balnce the following molecular equation and write net ionic equation NaOH+H2SO4-Na2SO4+H2