Chemistry, 14.10.2020 01:01 dsawnstevensonp9xhnr
When an element ‘X’ reacts with dilute hydrochloric acid brisk effervescence of a gas is produced, which burns with the ‘pop’ sound.
a. Element ‘X’ is a metal or a nonmetal?
b. Name the gas produced in the above reaction.
Answers: 2
Chemistry, 22.06.2019 19:20, Lovelybunny321
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
Chemistry, 22.06.2019 20:00, SpiritedAway7087
In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation:
Answers: 3
When an element ‘X’ reacts with dilute hydrochloric acid brisk effervescence of a gas is produced, w...
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