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Allushta [10]
3 years ago
9

Write the formula of the following ionic compounds us

Chemistry
1 answer:
Len [333]3 years ago
8 0

Answer:

1. ClF₅ ; 2. TeF₆ ; 3. S₂F₁₀ ; 4. P₄O₁₀ ; 5. Br₂O ; 6. H₂S₂  ; 7. SO ; 8. NO₃  ;

9. S₂O ; 10. C₃N₄

Explanation:

Let's count the atoms, by the name

1. Chlorine Pentaflouride

1 Cl and 5F → ClF₅

2. Tellurium Hexafluoride

1 Te and 6F → TeF₆

3. Disulfur decafluoride

2 S and 10 F → S₂F₁₀

4. Tetraphophorus Decaoxide

4 P and 10 O → P₄O₁₀

5. Dibromine Monoxide

2 Br and 1 O →  Br₂O

6. Dihydrogen Disulfide

2 H and 2 S →  H₂S₂

7. Sulfur monoxide

1 S and 1 O → SO

8. nitrogen trioxide

1 N and 3 O → NO₃

9. oxygen monosulfide

1 O and 1 S₂ →  S₂O

10. tricarbon tetranitride

3 C and 4 N → C₃N₄

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Answer:

In an endothermic reaction, the products have more stored chemical energy than the reactants. In an exothermic reaction, the opposite is true. The products have less stored chemical energy than the reactants. The excess energy in the reactants is released to the surroundings

4 0
3 years ago
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Kobotan [32]

Answer:

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7 0
3 years ago
Which of the following is one way that nuclear reactions differ from chemical reactions?
yuradex [85]

Answer:

The correct option is C.

Explanation:

Nuclear and chemical reactions are two types of reactions that one usually encounter in chemistry. These two reactions differ from each other significantly. For instance, the nuclear reactions usually involve the nucleus of the involving atoms while chemical reactions has to do with the electrons that are located outside of the nucleus of the atoms. Also, it is only chemical reaction that are influenced by factors such as temperature, pressure, catalyst, etc. Such factors does not determine the rate of nuclear reactions.

3 0
3 years ago
What is the pH of a 0.100 M HI solution? Is that neutral, acidic, or basic? acidic What is the pOH of a 0.100 M HI solution? Is
inessss [21]

<u>Answer:</u> The pH and pOH of the solution is 1 and 13 respectively and the solution is acidic in nature.

<u>Explanation:</u>

There are three types of solution: acidic, basic and neutral

To determine the type of solution, we look at the pH values.

  • The pH range of acidic solution is 0 to 6.9
  • The pH range of basic solution is 7.1 to 14
  • The pH of neutral solution is 7.

We are given:

Concentration of HI = 0.100 M

1 mole of HI produces 1 mole of hydrogen ions and 1 mole of iodide ions

To calculate the pH of the solution, we use the equation:

pH=-\log[H^+]

We are given:

[H^+]=0.100M

Putting values in above equation, we get:

pH=-\log(0.100)\\\\pH=1

To calculate the pOH of the solution, we use the equation:

pH + pOH = 14

pOH=14-1=13

Hence, the pH and pOH of the solution is 1 and 13 respectively and the solution is acidic in nature.

4 0
3 years ago
A student weighed out a 2.055 g sample of a cobalt chloride hydrate, ConClmpH2O, where n, m, and p are integer values to be dete
topjm [15]

The given mass of cobalt chloride hydrate = 2.055 g

A sample of cobalt chloride hydrate was heated to drive off waters of hydration and the anhydrate was weighed.

The mass of anhydrous cobalt chloride = 1.121 g anhydrate.

The mass of water lost during heating = 2.055 g - 1.121 g = 0.934 g

Converting mass of water of hydration present in the hydrate to moles using molar mass:

Mass of water = 0.934 g

Molar mass of water = 18.0 g/mol

Moles of water = 0.934 g * \frac{1 molH_{2}O }{18 g H_{2}O } =0.0519 mol H_{2}O

8 0
3 years ago
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