(There may be more than one correct
What is the difference between an
element and an atom?
(There may be more than one correct
answer
Elements can get smaller, but there is
nothing smaller than an atom
An element is a pure substance that
cannot be separated further by normal
chemical means
An atom is a specific type of element
An atom is a building block of matter, aka
the simplest form of matter
Answers: 2
Chemistry, 22.06.2019 16:10
Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.
Answers: 1
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 21:30
How many liters of 3.0 m naoh solution will react with 0.60 liters of 4.0 m h2so4? h2so4 + naoh → na2so4 + h2o 1.2 l 1.6 l 2.4 l 2.8 l
Answers: 3
Chemistry, 22.06.2019 22:00
How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?
Answers: 3
What is the difference between an
element and an atom?
(There may be more than one correct
(There may be more than one correct
Mathematics, 23.07.2019 03:30
Mathematics, 23.07.2019 03:30
Mathematics, 23.07.2019 03:30
Biology, 23.07.2019 03:30
Biology, 23.07.2019 03:30
Mathematics, 23.07.2019 03:30
Mathematics, 23.07.2019 03:30