Which best represents the reaction of calcium and zinc carbonate (znco3) to form calcium carbonate (caco3) and zinc?

Answers

Answer 1

Answer: The reaction of calcium and zinc carbonate yields calcium carbonate and zinc. To balance, we should remember that the number of atoms of each element in the reactants and products side should be equal. The balanced chemical reaction is written as follows:

Ca + ZnCO3 = CaCO3 + Zn

Answer 2

Answer:

Answer : The balanced chemical reaction will be,

$Ca+ZnCO_3\rightarrow CaCO_3+Zn$

Explanation :

Balanced chemical reaction : It is defined as the reaction in which the number of atoms of individual elements present on reactant side must be equal to the product side.

If the amount of atoms of each type on the left and right sides of a reaction differs then to balance the equation by adding coefficient in the front of the elements or molecule or compound in the chemical equation.

The coefficient tell us about that how many molecules or atoms present in the chemical equation.

As per question, when calcium react with zinc carbonate then it react to give calcium carbonate and zinc as a product.

The balanced chemical reaction will be,

$Ca+ZnCO_3\rightarrow CaCO_3+Zn$

This reaction is a single replacementreaction in which the most reactive elements displaces the least reactive element from its solution.

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What happens when atoms of uranium split apart __?

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Mass of 1 Bean = 0.328 gramsMass of ALL Jellybeans = 865 grams
To find the number of jellybeans we use unit conversion.
What belongs in the green box?
865 grams x 1 bean

Answers

Explanation:

To find the number of jellybeans, you need to use unit conversion. The green box should contain the following expression:

865 grams / 0.328 grams per bean

This expression represents the total mass of all jellybeans (865 grams) divided by the mass of one jellybean (0.328 grams per bean), which gives you the number of jellybeans.

How do you calculate the number of moles when given the number of particles?

Answers

Answer:

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Which of the following atoms has the same number of neutrons as 19F?a. 16O
b. 18F
c. 20Ne
d. 23Na

Answers

C. 20Ne

19F has 19-9=10 neutrons

Ne=20-10=10 neutrons

Which must be a mixture of substances?
1. solid
2. liquid
3. gas
4. solution

Answers

the one that must be a mixture of substance is : 4. Solutionhere are some examples that proof option 1 - 3 could consist only with a single substance :Solid = Fe ( most commonly known as iron)Gas = He ( Most commonly known as helium)Liquid = Hg (most commonly known as mercury)

4.Solution

Further explanation

Mixtures are materials composed of two or more kinds of substances that still possess their original properties. Mixtures can also be said to represent a combination of several substances, elements or compounds

There are two types of mixtures, i.e., homogeneous mixture (or solution) and heterogeneous mixture.

Homogeneous mixture: mixture which each part contains a similar amount of solute, for example, vinegar acid solution, sugar solution, and salt solution.
Heterogeneous mixes: mixtures of which each part contains an unequal amount of solute, for example, river water, sewage water, and coffee drinks.

The solution is a homogeneous mixture of two or more substances that dissolve one another and each of the constituent substances cannot be distinguished physically anymore.

The solution consists of two components, i.e., solute and solvent.
For example, a salt solution consists of salt as a solute and water as a solvent.

In chemistry, we already know the phase of matter or state of matter, i.e., solid (s), liquid (l), gas (g), and aqueous (aq). Every chemical solution in a reaction is labeled as an aqueous phase, e.g, $\boxed{ \ NaCl_((aq)) \ }$ as a salt solution.

Consider the following examples:

$\boxed{ \ Fe_((s)) \ }$ as a solid metal iron, an element.
$\boxed{ \ H_2O_((l)) \ }$ as liquid water.
$\boxed{ \ H_2O_((s)) \ }$ as ice solids.
$\boxed{ \ H_2O_((g)) \ }$ as water vapor with a gaseous phase.
$\boxed{ \ H_2O_((l)), H_2O_((s)), H_2O_((g)) \ }$ are compounds of the same chemical formula but different phases.

Learn more

About the mass and density of substances brainly.com/question/4053884
Calculating the pH value of weak base brainly.com/question/9040743
How was the water filtered to remove debris and living organisms? brainly.com/question/5646770

Keywords: which must be, a mixture of substances, solid, liquid, gas, solution, homogeneous, heterogeneous, phase of matter, state, aqueous, salt, water

H e l p,,, ill give brainliest :)

Answers

Hi there! :)

Both are compounds.

$CO_(2)$ contains 1 carbon (C) atom and 2 oxygen (O) atoms.

It contains two different elements, so it is a COMPOUND.

$Na_(2) O$ is an IONIC compound with elements Sodium (Na) and Oxygen (O), which are different elements. Therefore, it is also a COMPOUND.

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