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2 years ago

What is Arrhenius's definition of an acid?

Chemistry

2 answers:

ikadub [295]2 years ago

8 0

A substance that dissociates in water to produce H+ ions

Zigmanuir [339]2 years ago

3 0

Arrhenius: an acid is a substance which when dissolved in water will release H⁺ ions.

HₓY(aq) ⇒ xH⁺(aq) + Yˣ-(aq)

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What is the product of radioactive decay He called?

Zinaida [17]

Answer:

Alpha, Beta, and Gamma particles according to ability to penetrate matter.

Explanation:

Alpha represent the largest particle which penetrates the least with a positive charge,
Beta particles carry a negative charge, and
Gamma rays are neutral.

3 0

3 years ago

The weather is warm and dry.

Kobotan [32]

Answer:

i think several days of gray skies

Explanation:

since the weather is dry there would be no rain or snow but the weather would get much colder so just gray skies

6 0

3 years ago

Read 2 more answers

What is the name of the molecule shown below?

Nezavi [6.7K]

Answer:

B) Methanoic Acid

Explanation:

8 0

2 years ago

Which of the following is a polar molecule?

mixer [17]

the answer is option b

7 0

3 years ago

Coke is an impure form of carbon that is often used in the in- dustrial production of metals from their oxides. If a sample of c

steposvetlana [31]

Answer:

The mass of coke needed to react completely with 1.0 ton of copper(II) oxide is 0.794 Ton.

Explanation:

$2CuO+C\rightarrow 2Cu+CO_2$

1 Ton = 907185 grams

Mass of copper oxide = 1.0 Ton = 907185 grams

Moles of copper oxide = $\frac{907185 g}{79.55 g/mol}=11,403.95 moles$

According to reaction, 2 moles of copper oxide reacts with 1 mole of carbon.

Then 11403.95 moles of copper oxide will react with:

$\frac{1}{2}\times 11403.95 mol=5,701.98 mol$ of carbon

Mass of 5,701.98 moles of carbon:

$5,701.98 mol\times 12 g/mol=68,423.75 g$

Mass of coke = x

Mass of carbon = 68,423.75 g

Percentage of carbon in coke = 95%

$95\%=\frac{68,423.75 g}{x}\times 100$

$x=720,250.09 g=0.794 Ton$

The mass of coke needed to react completely with 1.0 ton of copper(II) oxide is 0.794 Ton.

3 0

3 years ago