Which equations are balanced? Select four options.
-Mg3N2 + H2O β 3MgO + 2NH3
-C3...
Mathematics, 06.04.2020 18:02, 22emilyl530
Which equations are balanced? Select four options.
-Mg3N2 + H2O β 3MgO + 2NH3
-C3H8 + 5O2 β 4H2O + 3CO2
-Zn + 2HCl β ZnCl2 + H2
-3Ca(OH)2 + 2H3PO4 β Ca3(PO4)2 + 6H2O
-3H2SO4 + 2Fe β Fe2(SO4)3 + H2
-4Al + 3O2 β 2Al2O3
Answers: 3
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What is the image of c for a 90Β° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)
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What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi
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Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?
Answers: 1
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