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11111nata11111 [884]
3 years ago
8

a flight stimulator that helps astronauts prepare for a shuttle launch is an example of a (an) ______.

Chemistry
2 answers:
Elis [28]3 years ago
7 0
<h2>Answer: </h2>

A flight simulator that helps astronauts prepare for a shuttle launch is an example of a(an) _____<u>_Scientific model_</u>______.

<h3>Explanation: </h3>

Simulators are models which are designed to manipulate the original thing/object.

For example the simulator of jet. Hence a flight simulator is also a scientific model containing all the conditions which are in space.


Dimas [21]3 years ago
3 0
A flight simulator that helps astronauts prepare for a shuttle launch is an example of a Scientific Model.
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Which of the following is true regarding a voltaic (or galvanic) cell? a) It can only be used with hydrogen. b) It produces elec
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Answer:

b) It produces electrical current spontaneously.

Explanation:

Cells capable of converting chemical energy to electrical energy and vice versa are termed Electrochemical cells. There are two types of electrochemical cells viz: Galvanic or Voltaic cells and Electrolytic cells. Voltaic cell is an elctrochemical cell capable of generating electrical energy from the chemical reaction occuring in it.

The voltaic cell uses spontaneous reduction-oxidation (redox) reactions to generate ions in a half cell that causes electric currents to flow. An half cell is a part of the galvanic cell where either oxidation or reduction reaction is taking place. Hence, the spontaneous production of electric currents is true about Voltaic/Galvanic cells.

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3 years ago
Calculate the mass in grams, in 2.28 mol of H2SO4. Please show your work to receive credit.
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Answer:

98g

Explanation:

h=1*2=2

s=32

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64+32+2=98

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3 years ago
What happens to metal when rapidly heated then cooled
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Answer:

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Explanation:

( Source : Quora )

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2 years ago
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True [87]

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How much heat does it take to melt 5.0g solid copper?
Leya [2.2K]

Answer:

Q=1.04kJ

Explanation:

Hello,

In this case, for latent heat (phase change) we need to consider the enthalpy associated with the involved process, here, melting or fusion; thus, the enthalpy of fusion of copper is 13.2 kJ/mol, therefore, the heat is computed as:

Q=m\Delta H_{fus}

Nevertheless, since the given enthalpy is per mole of copper, we need to use its atomic mass to perform the correct calculation as follows:

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Which is positive as it needs to be supplied to the system.

Best regards.

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3 years ago
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