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Chemistry

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Rodrigo Schoen

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2y ago
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Cards in this guide (14)
Which metal has the highest specific heat capacity

Lithium is the metal that has the highest specific heat capacity.

What kind of changes contribute to spontaneity

An increase in entropy.

How does temperature affect the spontaneity of a reaction

if H and S have the same sign the temperature will determine spontaneity

Which of the following would most likely be spontaneous

A reaction that produces heat

Which term describes the amount of thrust created per unit of mass of an engine and fuel

Specific impulse :)

How much energy is generated from freezing 2.5 g water

2.5 g 1 mol/18.02 g (-285.83) kJ/mol

What describes the difference between the mechanics of airplane flight and rocket flight

The difference is that you are a mamaguevo y yo se lo meto a tu hermana.

What statement describes the potential energy diagram of an exothermic reaction

The potential energy of the reactants is greater than the potential energy of the products.

What statements about airplane and rocket flight is true

Only one requires air molecules to generate lift.

A solid fuel designed for a rocket has air pocket inside what is the danger of this

The rocket might explode from the added pressure when the combustion reaction hits the air.

The size of a rocket's cargo determines the amount of thrust the engine must create to carry the rocket into outer space. What is another term for this cargo

Payload (apex)

The combustion reactions that occur in the engines of a rocket lead to pressure gradients that cause the gaseous products to rush out of the rocket into the atmosphere. What is created by this process

Thrust

Would form a spontaneous reaction at 298k

Not B

An aerospace engineer is designing a rocket to have three stages. Which is not a reasonable explanation for this decision

to simplify the design of the rocket.

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