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Liula [17]
4 years ago
7

A car traveling with constant speed travels 150 km in 7200 s. what is the speed of the car

Chemistry
1 answer:
earnstyle [38]4 years ago
4 0
The speed should be 48 mph, because 7200 divided by 150 is 48
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Molecular/covalent compounds are non-metal + non-metal.

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Looking at the periodic table, barium is a metal. Calcium is also a metal.

Checking a polyatomic ions chart would tell you NO₃⁻ is a non-metal because it has a negative charge.

Since there is no metal + metal compound, the calcium metal would displace barium. The compound remains ionic.

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