Chemistry, 15.10.2019 19:30 davgre1271
Determine net ionic equations, if any, occuring when aqueous solutions of the following reactants are mixed. select "true" or "false" to indicate whether or not the stated reaction (or "no reaction") correctly corresponds to the expected observation in each case. lead(ii) nitrate and sodium chloride; no reaction occurs. sodium bromide and hydrochloric acid; no reaction occurs. nickel(ii) chloride and lead(ii) nitrate; pb2+(aq) + 2cl-(aq) --> pbcl2(s) magnesium chloride and sodium hydroxide; no reaction occurs. ammonium sulfate and barium nitrate; ba2+(aq) + so42-(aq) --> baso4(s)
Answers: 2
Chemistry, 21.06.2019 20:30
Un cierto gas tiene un volumen de 800ml a 80°c y 600ml a 80°c y 600mmhg de presión. ¿cual será el volumen del gas a condiciones normales? sí el gas es oxígeno, ¿cuál será su peso? y ¿cuántas moléculas están presentes en el sistema?
Answers: 2
Chemistry, 22.06.2019 18:00
The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.
Answers: 1
Chemistry, 22.06.2019 19:00
How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag
Answers: 3
Chemistry, 22.06.2019 22:30
Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
Answers: 1
Determine net ionic equations, if any, occuring when aqueous solutions of the following reactants ar...
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