Chemistry, 01.10.2019 23:20 janayshas84
two chemicals at room temperature were mixed together in a flask. a chemical reaction occurred, and afterward the flask felt warm to the touch.
what kind of reaction must have occurred in the flask?
a. organic
b. synthetic
c. exothermic
d. endothermic
Answers: 2
Chemistry, 21.06.2019 17:10
Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.
Answers: 2
Chemistry, 22.06.2019 13:00
How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide
Answers: 2
two chemicals at room temperature were mixed together in a flask. a chemical reaction occurred, and...
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