CHEMISTRY HIGH SCHOOL

For the reaction Cl2 + 2KBr -> 2KCl + Br2 How many grams of potassium chloride can be produced from 17.2 grams of potassium bromide?

Answers

Answer 1
Answer: 10.4838g can be produced

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Write a complete reaction of succinic acid and acetic anhydride

Answers

answer is below...................

Which compound becomes less soluble in water as the temperature of the solution is increased?(1) HCl (2) KCl (3) NaCl (4) NH4Cl

Answers

Answer: Option (1) is the correct answer.

Explanation:

Compounds in which atoms transfer electrons result in the formation of ionic bond. Whereas when atoms in a compound share electrons then they result in the formation of covalent compounds.

Also, it is known that like dissolves like. Hence, water being an ionic compound itself dissolves other ionic compounds.

Thus, out of the given options HCl is a covalent compound, therefore, HCl is the compound that becomes less soluble in water as the temperature of the solution is increased.
HCI are less soluble in water as the temperature of the solution is increased.

Which equation represents the reaction of acetic (ethanoic) acid with water? A. CH3COO- + H2O CH3COOH + OH- B. CH3COOH + H2O CH3COO- + H3O+ C. CH3COO- + H2O CH3COO2- + H3O+ D. CH3COOH + H2O CH3COOH2+ + OH-

Answers

"CH3COOH + H2O CH3COO- + H3O+" is the equation among the choices given in the question represents the reaction of acetic (ethanoic) acid with water. The correct option among all the options that are given in the question is the second option or option "B". I hope that the answer has helped you.

Answer:

B.  CH3COOH + H2O CH3COO- + H3O+

Explanation: hope this helped :)

A). Polonium is a rare element with 33 radioisotopes. The most common one, 210Po, has 82 protons and 128 neutrons. When 210Po decays, it emits an alpha particle, which is a helium nucleus (2 protons and 2 neutrons). 210Po decay is tricky to detect because alpha particles do not carry very much energy compared to other forms of radiation. They can be stopped by, for example, a sheet of paper or a few inches of air. That is one reason that authorities failed to discover toxic amounts of 210Po in the body of former KGB agent Alexander Litvinenko until after he died suddenly and mysteriously in 2006. What element does an atom of 210Po change into after it emits an alpha particle? b). Some undiluted acids aremore corrosive when they are diluted with water. That is why laboratory workers are told to wipe acid splashes with a towel before washing with a copious amounts of water. Explain.

Answers

Answer:

a)  Lead

b) Below

Explanation:

a) ₂₁₀ Po⁸⁴ ⇒ α + ₂₀₈Pb⁸²

b) Acids are extremely corrosive substances, so they must be cleaned soon as possible because they can damage not only the furniture but also clothes and skin of the laboratory workers.

Before cleaning the polluted area with water, acids must be clean with towels in order to reduce the amount of acid.

The reaction between the acids and water are very explosive, they are exothermic reactions, that means that they increase the temperature of the area polluted and it can cause more damage. That's why the area must be cleaned with towel before add water.

What is the total charge of a nucleus of a nitrogen atom?

Answers

Every atom has the same number of electrons as there are protons, thus making every atom neutrally charged. Therefore, there is no charge in a nitrogen atom, or any atom to begin with. The only possibly charged things are ions.
  The charge of every atom is neutral. This is because the positively charged protons are cancelled out by the negatively charged electrons.

The _______ receives digested food components and stores the glucose to be released into the blood stream for future use.A. liver
B. stomach
C. small intestine
D. large intestine

Answers

Answer:

The correct answer is A).Liver

Explanation:  The liver receives digested food components and stores the glucose to be released into the bloodstream for future use, NOT the small intestine or large intestine

I AM 100% CONFIDENT WITH THIS ANSWER TRUST ME!!!

I know it is NOT small intestine, so Large Intestine.
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