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Sloan [31]
3 years ago
10

Which of the following naming rules would apply to CaCO3? A. metal + polyatomic anion B. polyatomic cation + nonmetal anion(ide)

C. metal cation + (roman numeral valence) + nonmetal anion(ide) D. metal cation + nonmetal anion(ide)
Chemistry
2 answers:
Sveta_85 [38]3 years ago
7 0
The naming rules for CaCO3 would be A. Metal+ Polyatomic Anion.
7nadin3 [17]3 years ago
7 0

Answer: a)

The naming rules for CaCO3 would be A. Metal+ Polyatomic Anionn

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Oil and a smooth surface
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Which element have zero valency
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The answer is Helium. hope its helpful (:
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A solution is created by dissolving 11.5 grams of ammonium chloride in enough water to make 255 mL of solution. How many moles o
Nata [24]

Answer:

<h2>The no. of moles present in one liter solution is 0.843</h2>

Explanation:

Mass of ammonium chloride  = 11.5 gm

Molar mass  of ammonium chloride  = 53.491 gm

No. of moles

N = \frac{mass}{molar \ mass}

N = \frac{11.5}{53.491}

N = 0.215 moles

Molarity=  \frac{N}{volume}

molarity = \frac{0.215}{0.255}

M = 0.843 M

Thus the no. of moles present in one liter solution is 0.843

3 0
4 years ago
When the reaction A → B + C is studied, a plot 1/[A]t vs. time gives a straight line with a positive slope. What is the order of
zloy xaker [14]

Answer:

Second order

Explanation:

Given that:

When the reaction A → B + C is studied, a plot 1/[A]t vs. time gives a straight line with a positive slope.

From the integration method for the second order of reaction.

Suppose that:

rate = k₂[A]²

∴

\dfrac{1}{A}=\dfrac{1}{A_0}+k_2t

Therefore, a plot of the linear function \dfrac{1}{A} versus t will be linear with a positive slope k₂ and the intercept on the concentration axis will be \dfrac{1}{A_o}

The linear plot for a second order reaction can be seen in theimage attached below.

7 0
4 years ago
Which energy transformation is represented in the diagram?
Paha777 [63]

A nuclear to thermal and radiant

Explanation:

Nuclear fission is the disintegration of the force that holds the nucleus of the atom together, creating two different but lighter nuclei.

In nuclear fission, it seeks to break the force of attraction or nuclear force that joins the protons and neutrons that form the nucleus of an atom. Neutrons without electric charge are used against the nucleus of the atom to produce enough excitation energy to deform the nucleus into two halves.

6 0
3 years ago
Read 2 more answers
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