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Leya [2.2K]
3 years ago
15

The net ionic eq for Br ^+2 changes onto BrCrO4 in the presence of

Chemistry
1 answer:
mestny [16]3 years ago
7 0

Answer:

D. I think lamo huhuhuhu

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A 50.0 mL sample of an aqueous H2SO4 solution is titrated with a 0.375 M NaOH solution. The equivalence point is reached with 62
vesna_86 [32]

Answer: The concentration of H_2SO_4 is 0.234 M

Explanation:

According to the neutralization law,

n_1M_1V_1=n_2M_2V_2

where,

n_1 = basicity H_2SO_4 = 2

M_1 = molarity of H_2SO_4 solution = ?

V_1 = volume of  H_2SO_4 solution = 50.0 ml

n_2 = acidity of NaOH = 1

M_1 = molarity of NaOH solution = 0.375 M

V_1 = volume of  NaOH solution = 62.5 ml

Putting in the values we get:

2\times M_1\times 50.0=1\times 0.375\times 62.5

M_1=0.234M

Therefore concentration of H_2SO_4 is 0.234 M

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3 years ago
55. Which Element has a larger radius- Rb or I?
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Rb has larger radius.

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Describe how adding the prefix mega to a unit affects the quantity being described
neonofarm [45]

If the prefix mega is added to the unit of the quantity being described, the magnitude of quantity increases by 10^{6} times i.e. 1 million times.

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3 years ago
Why is a chemical equilibrium described as dynamic?
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Because when equilibrium is reached, the reaction is still occurring in both directions, it's just that rate(forward) =rate(reverse) so there is no net change in the concentrations of the reactants or products.
8 0
3 years ago
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Indica las condiciones que debe cumplir una colisión entre moléculas para que se produzca una reacción química
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Las moléculas de los reactivos tienen que chocar entre sí. Estos choques deben de producirse con energía suficiente de forma que se puedan romper y formar enlaces químicos. En el choque debe haber una orientación adecuada para que los enlaces que se tienen que romper y formar estén a una distancia y posición viable.

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3 years ago
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