Cherylanne mixes together chemical a and chemical b in a test tube, forming chemical c. the mixture instantly turns cool to the touch. she then adds chemical d, and the reaction becomes hot and explodes. what can be known about this situation? chemicals a and b form an endothermic reaction, and chemicals c and d form an exothermic reaction. chemicals a and b form an exothermic reaction, and chemicals c and d form an endothermic reaction. chemicals a and c form an endothermic reaction, and chemicals b and d form an exothermic reaction. chemicals a and b form an exothermic reaction, and chemicals b and d form an endothermic reaction.
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Chemistry, 22.06.2019 01:30
Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .
Answers: 3
Chemistry, 22.06.2019 16:00
How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?
Answers: 3
Chemistry, 22.06.2019 20:00
The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.
Answers: 3
Chemistry, 23.06.2019 00:00
Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?
Answers: 1
Cherylanne mixes together chemical a and chemical b in a test tube, forming chemical c. the mixture...