2 years ago

MgCO3+HCl->MgCl2+H2CO3

Chemistry

1 answer:

Dmitrij [34]2 years ago

3 0

Balanced chemical equation :

1 MgCO3 + 2 HCl = 1 MgCl2 + 1 H2CO3

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All of the following reactions can be described as displacement reactions except:____________.

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Answer:

Explanation:

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In a displacement reaction, a part of one of the reactants is replaced by another reactant. In single displacement reactions, one of the reactants completely displaces and replaces part of another reactant. In double displacement reaction, cations and anions in the reactants switch partners to form products.

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To burn 1 molecule of C5H12 to form CO2 and H2O (complete combustion), how many molecules of O2 are required?

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Water flows over Niagara Falss at the average rate of 2,400,000 kg/s, and the average height of the falls is about 50 m. Knowing

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1. 176 × 10^12 W ; 78400000000

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Workdone = gravitational potential energy

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Hence,

Power = 1000 * 2,400,000 * 9.8 * 50

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1176000000000 / 15 = 78400000000

= 78400000000 15 W bulbs

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2 years ago