2 years ago

HELP PLEASE FAST 100 POINTS

1 answer:

4 0

In any chemical reaction, the mass of the products must equal the mass of the reactants. The mass of product B is the same as the combined mass of Reactant A and H₂O.

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A student uses red litmus paper to test the pH value of different solutions. Which would result in a color change of the litmus

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3 years ago

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True or False. In a parallel circuit, the voltage is the same anywhere in the circuit.

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Explanation:

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Why do elements in the same group have similar physical and chemical properties

Inessa [10]

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Each element within a group has similar physical or chemical properties because of its atom's outermost electron shell (most chemical properties are dominated by the orbital location of the outermost electron).

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2Al + 6HCl → 2AlCl3 + 3H2 If the chemical reaction produces 129 grams of AlCl3, how many grams of H2 are also produced?

faust18 [17]

So,

Our conceptual plan is as follows:

g AlCl3 --> mol AlCl3 --> mol H2 --> g H2

$\frac{129g\ AlCl_3}{133.4g/mol}\ *\frac{3mol\ H_2}{2mol\ AlCl_3}\ *2.016g/mol \\ \\=2.92 g\ H_2$

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Barium phosphide Ba3P2 BaP Ba3PO4

Novosadov [1.4K]

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It A(Ba3P2)

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