Which type of chemical reaction does this equation exemplify?

Chemistry

2 answers:

tatuchka [14]2 years ago

5 0

<span>combustion is the chemical reaction</span>

Svetradugi [14.3K]2 years ago

5 0

The chemical reaction that this equation exemplifies is Double Replacement. As in a double replacement reaction, the atoms of the compounds are switched and are displaced with other atoms of their respective elements to form new compounds.

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How many equivalents are present in 13.5g of Al3+

gogolik [260]

Answer:

= 1.5 eq

Explanation:

One definition of an equivalent weight is that it is mass of a substance that gains or loses 1 mole of electrons.
Al3+ has lost 3 e-, so there are 3 equivalent weights in 1 mol Al3+.

1 mol Al3+ =3 eq. wts.
1 mol Al x(27 g / 1 mol)x(1 mol / 3 eq. wts.) = 9.0 g = 1 eq. wts.

13.5 g Al3 + x (1 eq.wt. / 9.0 g) = 1.5 eq

4 0

2 years ago

The equilibrium constant for A + 2B → 3C is 2.1 * 10^-6

Mariana [72]

Answer:

b- 4.4 * 10^-12.

Explanation:

Hello.

In this case, as the reaction:

A + 2B → 3C

Has an equilibrium expression of:

$K_1=\frac{[C]^3}{[A][B]^2}=2.1x10^{-6}$