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aleksandrvk [35]
3 years ago
15

Decide whether a chemical reaction happens in either of the following situations. If a reaction does happen, write the chemical

equation for it. Be sure your chemical equation is balanced and has physical state symbols. a strip of solid palladium metal is put into a beaker of nicl2
Chemistry
1 answer:
sineoko [7]3 years ago
7 0

Explanation:

A strip of solid palladium metal is put into a beaker of nicl2

Palladium (Pd) + Nickel Chloride (NiCl2)

To answer this question properly you must refer to the reactivity series.

The activity series is a chart of metals listed in order of declining relative reactivity. The top metals are more reactive than the metals on the bottom.

In this series, Nickel is higher than Palladium. This means that if a Palladium strip is placed into a solution of a Ni salt, then a reaction will not take place, nothing would happen.

Because Pd is lower than Ni in the reactivity series.

There is no reaction so no equation.

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In which of the following equilibrium systems will an increase in the volume cause the equilibrium to shift away from the reacta
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Answer: 2NOBr(g) ⇌ 2NO(g) + Br2(g)

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  • An increase in volume of an equilibrium system will shift to favor the direction that produces more moles of gas.
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2NOBr(g) ⇌ 2NO(g) + Br2(g) is the equillibrium system because there are more moles of products,therefore an increase in the volume of the reaction will shift to the right and produce more moles of products. Also both reactants and products exist in the gaseous state and does not have equal number of moles.

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Question 13 of 32
jarptica [38.1K]

Answer:

A

Explanation:

this should be obvious if you read it haha

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How many grams are in 3 mol of KBr?
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Answer: 7

Explanation:

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