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2 years ago

What is produced during the replacement reaction of Cu(NO3) and zn

Chemistry

2 answers:

mina [271]2 years ago

4 0

Answer:

Cu, Zn(NO3)2

Explanation:

Zn is more reactive than Cu, so Cu will be displaced (replaced) in the reaction above.

mestny [16]2 years ago

3 0

Answer:

actually it is...

Explanation:

Zn (NO3)2 +Cu

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Answer:

1. First one is true : as per periodic table down the group , the elements has increasing order of shell & with that the London dispersion forces brings the inter-molecules close together and bromine converted into liquid .

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3. A single carbon atom has the valency of 4 so it can be bonded with four hydrogen atom at the same time .

Explanation:

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3 years ago

Baking soda has a pH of 8. Its a(n) _________ substance

Stolb23 [73]

Answer:

it's an acid

Explanation:

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3 years ago

Type the letter of the correct answer in the blank space. The image shows the combustion of methane. Which equation represents t

Talja [164]

Answer:

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Explanation:

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2 years ago

A 10 gram sample of iron reacts with oxygen to form 18.2 grams of ferric oxide. How many grams of oxygen reacted?

RoseWind [281]

Answer:

$\boxed {\boxed {\sf 8.2 \ grams}}$

Explanation:

According to the Law of Conservation of Mass, the mass of the products must equal the mass of the reactants.

mass products = mass reactants

In this problem, the reaction is:

$iron + oxygen = ferric \ oxygen$

The reactants are iron and oxygen. We know the mass of the iron sample is 10 grams.

The product is ferric oxide. The mass of the ferric oxide sample is 18.2 grams.

$10 \ g + oxygen=18.2 \ g$

We want to find how many grams of oxygen reacted. We have to get the oxygen by itself. 10 is being added to oxygen. The inverse of addition is subtraction. Subtract 10 from both sides of the equation.

$10 \ g - 10 \ g+ oxygen = 18.2 \ g - 10 \ g$