CHEMISTRY HIGH SCHOOL

Q3 - Complete the word equation *1 point
Bromine +
Chlorine
Bromide +
Potassium
Chloride
Bromine +
Potassium
Chloride
Hydrogen
bromide +
Potassium
Chloride
Chlorine +
Potassium
Bromide ->

Answers

Answer 1
Answer: whoever gave u this homework, doesnt really understand the concept

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An enzyme is a catalyst used by living things to promote and regulate chemical reactions. What is the most likely enzyme for the chemical reaction depicted below? A. Catalyst A
B. Catalyst B
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Answers

Answer:

B. Catalyst B

Explanation:

Explanation: Enzymes are complex proteins that have a very specific shape. Just as a key fits a lock and allows it to open, the active site of the enzyme fits the reactants, allowing them to meet at the right orientation to form new chemical bonds. The shape of catalyst B is the best fit to the given reactants and product. The presence of catalysts allows reactions to proceed at much lower energy levels than without, as high-energy collisions between molecules are no longer necessary.

Who is wise president of india?
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Answers

The vise president of India is M. Venkaiah Naidu

A student tested a 0.1 M aqueous solution and made the following observations:• conducts electricity
• turns blue litmus to red
• reacts with Zn(s) to produce gas bubbles
Which compound could be the solute in this solution?
(1) CH3OH (3) HBr
(2) LiBr (4) LiOH

Answers

A student tested a 0.1 M aqueous solution and made the following observations conducts electricity, turns blue litmus to red and reacts with Zn(s) to produce gas bubbles. The compound that could be the solute in this solution is HBr. The answer is number 3. 

The only ionic compound which can react with Zn(s) toproduce gas bubbles is HBr.

What is an electrolyte?

An electrolyte is a solution that is able to conduct electricity. This solution must contain ions as ions are the charge carriers in solution.

In this case, we have to look at the options and discover the compounds that are made of ions and the only ionic compound which can react with Zn(s) toproduce gas bubbles is HBr.

Learn more about electrolytes:brainly.com/question/14566383

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A few pieces of dry ice, CO2(s), at -78°C are placed in a flask that contains air at 21°C. The flask is sealed by placing an uninflated balloon over the mouth of the flask. As the balloon inflates, the dry ice disappears and no liquid is observed in the flask.State the direction of heat flow that occurs between the dry ice and the air in the flask.
Write the name of the process that occurs as the dry ice undergoes a phase change in the flask. [1]
Compare the entropy of the CO2 molecules in the dry ice to the entropy of the CO2 molecules in the inflated balloon.

Answers

Answer:

  • Heat flows from the air into the dry ice.
  • Sublimation (its when a solid becomes a gas without becoming a liquid first).
  • CO2 molecules in gaseous phse has more entropy than in solid phase.

Explanation:

  • To sublimate dry ice needs to fain energy, wich is provided by the surrounding air.
  • Solid is the more condensated state of matter, so it has less entropy than any other state of matter.
The direction of heat flow is from surroundings to system (air to ice), the dry ice is subliminating.

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Answers

The answer is D. Delta particles.

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The physical The physical process of evaporation involves -process of evaporation involves...

Answers

The absortion of energy to separate the molecules. In the liquid state the molecules are closer and to manage the separation neededd in the gas state the molecules need energy from the surroundings.
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