CHEMISTRY HIGH SCHOOL

In relation to the earth's surface, explain where rock spend most of there time.

Answers

Answer 1
Answer: Pretty sure, don't quote me on this, but I think that the answer is the magma. So sorry if I'm wrong! Learned this last year and it was a brief recap so don't remember the exact answer.
Answer 2
Answer:

Answer:

Pretty sure, don't quote me on this, but I think that the answer is the magma. So sorry if I'm wrong! Learned this last year and it was a brief recap so don't remember the exact answer.

Explanation:

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How many orbitals are in the second shell?
a. 1
b. 2
c. 4
d. 8

Answers

The correct answer is C. 4

There are 4 orbitals in the second shell, and the number increases in further shells.

Answer:

4

Explanation:

Which statement best describes the formula equation Cl2(g) + 2KBr(aq) mc014-1.jpg 2KCl(aq)+ Br2(l)?A Carbon iodide reacts with potassium bromide to form potassium carbon iodide and bromine.
B Bromine gas reacts with a solution of potassium chloride to form potassium bromide and chlorine gas.
C Potassium bromine gas reacts with liquid chlorine to form potassium chloride in solution and bromine gas.
D Chlorine gas reacts with potassium bromide to form potassium chloride in solution and liquid bromine.

Answers

The statement that describes the chemical reaction is D chlorine gas reacts with potassium bromide to form potassium chloride in solution and liquid bromide. The symbol "Cl" represents chlorine. The symbols in the brackets show the physical state of the substance, (g) is gaseous, (s) is solid, (aq) is aqueous and (l) is liquid.
Chlorine gas reacts with potassium bromide to form potassium chloride in solution and liquid bromine.

How does an object's mechanical energy change as its speed (velocity) increases?

Answers

Answer:

The mechanical energy of the system increases, provided there is no loss of energy due to friction. The energy would transform to kinetic energy when the speed is increasing. The mechanical energy of the system remains constant provided there is no loss of energy due to friction.

Explanation:

Final answer:

An object's mechanical energy generally increases as its velocity increases. This is because mechanical energy is the sum of an object's kinetic and potential energy, and kinetic energy is directly proportional to the square of its velocity.

Explanation:

In physics, mechanical energy is the energy that an object has due to its motion (kinetic energy) and position (potential energy). When an object's speed or velocity changes, specifically increases, so does its kinetic energy, as kinetic energy is directly proportional to the square of the object's velocity. Essentially, if an object's velocity doubles, its kinetic energy would quadruple. However, this does not take into account variables like air resistance, friction, or changes in potential energy. In an ideal, frictionless scenario, an increase in an object's velocity directly results in an increase in its mechanical energy.

Learn more about Mechanical Energy here:

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17. Which type of chemical bond is formed between two atoms of bromine?

Answers

A non polar bond is formed between two bromine atoms. That means that the electrons are shared equally between the two atoms, and since we are sharing electrons, we use the term, 'covalent bond'.

In the thermal decomposition of copper carbonate, the black solid left behind weights less than the original copper carbonate . Why?

Answers

CuCO₃ ---T--> CuO↓ + CO₂ ↑ 

CO₂ escapes to the atmosphere (it's a gas)
It is so bcs of law of conservation of mass

A salt is best described as a compound that is formed from the reaction between

Answers

mical Compound

In chemistry, a salt is an ionic compound that results from the neutralization reaction of an acid and a base. Salts are composed of related numbers of cations and anions so that the product is electrically neutral.

Answer:

A

An acid and a base

Explanation:
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