2 years ago

Which product forms from a reaction between calcium (Ca) and phosphorus

Chemistry

2 answers:

zzz [600]2 years ago

4 0

Answer:

Ca3P2

Explanation:

IrinaVladis [17]2 years ago

3 0

Answer:

Explanation:

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What is the concentration of a solution that is 0.25 moles of HCL added to 3.00L of water?

Lina20 [59]

Answer: 0.08 M

Explanation:

$\text{molarity}=\frac{\text{moles of solute}}{\text{liters of solution}}\\\\\text{molarity}=\frac{0.25}{3.00}\\\\\text{molarity}=\boxed{0.08 \text{ M}}$

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1 year ago

Solid cadmium sulfide reacts with an aqueous solution of sulfuric acid . Express your answer as a balanced chemical equation. Id

max2010maxim [7]

Explanation:

When solid cadmium sulfide reacts with an aqueous solution of sulfuric acid then the reaction will be as follows.

$CdS(s) + H_{2}SO_{4}(aq) \rightarrow CdSO_{4}(aq) + H_{2}S(g)$

Hence, ionic equation for this reaction is as follows.

$CdS(s) + 2H^{+}(aq) + SO^{2-}_{4}(aq) \rightarrow Cd^{2+}(aq) + SO^{2-}_{4}(aq) + H_{2}S(g)$

Therefore, net ionic equation for this reaction is as follows.

$CdS(s) + 2H^{+}(aq) \rightarrow Cd^{2+}(aq) + H_{2}S(g)$

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2 years ago

How many energy levels contain electrons in an atom of zirconium (Zr)?

ad-work [718]

<h3>Answer: five cause </h3>

The number of energy levels of zirconium is 5, and I know this because it is located in family five. Families are the rows across on the periodic table. The family number is always equal to the number of energy levels.Zirconium: properties of free atoms. Zirconium atoms have 40 electrons and the shell structure is 2.8.

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Explanation:

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3 years ago

Achemist is studying an unknown substance and could break the substance into its elemental components only by using

Arturiano [62]

Pure substance

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2 years ago

Name the hardest artificial substance known?

blagie [28]

The hardest material is diamond. The hardest artificial substance would wurtzite boron nitride. That's basically just man-made diamonds.