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4 years ago

Think about the lab procedure you just read. Label each factor below with V for “variable” or C for “constant”.

Chemistry

2 answers:

luda_lava [24]4 years ago

8 0

<h2>Answer:</h2><h3>The temperature of the gas: V</h3>

The temperature of gas is a variable quantity. It can be changed by changing energy or pressure of gas.

<h3>The amount of gas in the tube (in terms of mass and moles): C</h3>

It is a constant entity. As mass of gas once taken can not be changed by changing temperature, pressure etc.

<h3>The radius of the tube: C</h3>

The radius of tube cannot change at any rate.

<h3>The temperature of the gas (changed by the water surrounding it): V</h3>

It can be changed by changing the temperature of water surrounding it.

It can never be changed.

<h3>The pressure of the gas: V</h3>

It can be changed by simply changing temperature and volume of gas.

lana66690 [7]4 years ago

8 0

Answer:

the temperature of the gas: V

yhe amount of gas in the tube (in terms of mass and moles): C

the radius of the tube: C

The temperature of the gas (changed by the water surrounding it): V

the type of gas: C

the pressure of the gas: C

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Answer:

C mechanical potential to chemical to mechanical kinetic

Explanation:

When the cheetah observes it prey, it does not move at all and remains still in one place. This is potential energy.

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3 years ago

Convert 4.1x10^-4 moles of carbon into atoms.

Ratling [72]

Answer:

2.5×10^20atoms

Explanation:

number of moles= number of particles/Avogadro's constant

number of particles=Avogadro's constant × number of moles

number of particles=(6.02×10^23) × (4.1×10^-4)

number of particles=2.5×10^20

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3 years ago

1. If 335g water at gains 1,666.11 J of heat, how much does the temperature of the

Setler79 [48]

Answer:

Explanation:

cold and hot are temperatures

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2 years ago

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Water is called "universal solvent" because it is capable of dissolving various types of substances than any other solvent. The water's chemical composition such as its atoms that have a balance electrical charge and arrangement of polar makes it capable of dissociating different ionic compounds and balanced attraction to sodium and other elements, suitable to nature of any substances or life forms. However, this could be a problem in everyday life because given the title "universal solvent", it does not necessarily dissolve every compound. For example: water alone cannot be used in cleaning oils because it can't dissolve waxes and fats, and in dissolving large amounts of salt or sugar in our body.

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4 years ago

Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO3 ( is ) . The equation for the

anyanavicka [17]

Answer:

The answer to your question is 52.35 g of O₂

Explanation:

mass of oxygen = ?

mass of KClO₃ = 66.8 g

Chemical balanced reaction

KClO₃ ⇒ 2 KCl + 3O₂

Process

1.- Calculate the molar mass of KClO₃ and Oxygen

KClO₃ = 39 + 35.5 + (16 x 3) = 122.5 g

O₂ = 16 x 6 = 96 g

2.- Write proportions to solve this problem

122.5 g of KClO₃ ----------------- 96 g of O₂

66.8 g ----------------- x

x = (66.8 x 96) / 122.5

x = 6412.8/122.5

x = 52.35 g of O₂

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4 years ago