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Which electron configuration represents the electrons in an atom of calcium in an excited state?
2-7-8-3
KI
different molecular structures and different physical properties
(78.92 u)(49.31) + (80.92 u)(50.69)
TiO
2H2(g) + O2(g) → 2H2O(g) + 483.6 kJ
66 800 J
doubled
These diagrams represent substances that have
2-7-8-3
KI
different molecular structures and different physical properties
(78.92 u)(49.31) + (80.92 u)(50.69)
TiO
2H2(g) + O2(g) → 2H2O(g) + 483.6 kJ
66 800 J
doubled
What is the amount of heat required to completely melt a 200.-gram sample of H2O(s) at STP?
2-7-8-3
KI
different molecular structures and different physical properties
(78.92 u)(49.31) + (80.92 u)(50.69)
TiO
2H2(g) + O2(g) → 2H2O(g) + 483.6 kJ
66 800 J
doubled
According to Table G, which substance forms an unsaturated solution when 80. grams of the substance are stirred into 100. grams of H2O at 10.°C?
2-7-8-3
KI
different molecular structures and different physical properties
(78.92 u)(49.31) + (80.92 u)(50.69)
TiO
2H2(g) + O2(g) → 2H2O(g) + 483.6 kJ
66 800 J
doubled
Which equation shows conservation of mass and energy for a reaction at 101.3 kPa and 298 K?
2-7-8-3
KI
different molecular structures and different physical properties
(78.92 u)(49.31) + (80.92 u)(50.69)
TiO
2H2(g) + O2(g) → 2H2O(g) + 483.6 kJ
66 800 J
doubled
Which numerical setup can be used to calculate the atomic mass of the element bromine?
2-7-8-3
KI
different molecular structures and different physical properties
(78.92 u)(49.31) + (80.92 u)(50.69)
TiO
2H2(g) + O2(g) → 2H2O(g) + 483.6 kJ
66 800 J
doubled
What is the chemical formula of titanium(II) oxide?
2-7-8-3
KI
different molecular structures and different physical properties
(78.92 u)(49.31) + (80.92 u)(50.69)
TiO
2H2(g) + O2(g) → 2H2O(g) + 483.6 kJ
66 800 J
doubled
A sample of gas is in a rigid cylinder with a movable piston. The pressure of the gas is kept constant. If the Kelvin temperature of the gas is doubled, the volume of the gas is
2-7-8-3
KI
different molecular structures and different physical properties
(78.92 u)(49.31) + (80.92 u)(50.69)
TiO
2H2(g) + O2(g) → 2H2O(g) + 483.6 kJ
66 800 J
doubled
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