Explain how to use the displacement method to find the volume of an object?

1 answer:

3 0

<span>A submerged object displaces a volume of liquid equal to the volume of the object. One milliliter (1 mL) of water has a volume of 1 cubic centimeter (1cm3).</span>

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Calculate the mass in grams of 2.56 × 10 −3 mol of iron.

gizmo_the_mogwai [7]

Answer:

1.43 grams

Explanation:

Fe = 55.8 grams Fe = 1 mole Fe

2.56 • 10^-3 moles Fe / 1 • 55.8 grams Fe / 1 mole Fe = 1.43 grams Fe

Basically, you're just multiplying the molar mass of Fe (iron) by the moles of 2.56 • 10^-3 Fe, to find how many grams are in it.

2.56 • 10^-3 moles Fe = 1.43 grams Fe

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3 years ago

A sample of X is carefully weighed and put inside a sealed calorimeter. The calorimeter is heated electrically, and the amount o

mixer [17]

The value of the heat of combustion (H) that is calculated here is a chemical property.

<h3>What is the heat of combustion?</h3>

The heat of combustion is the energy that is given up when a substance is burnt in a calorimeter. The heat of combustion is often measured by the use of a calorimeter.

Hence, the value of the heat of combustion (H) that is calculated here is a chemical property.

Learn more about heat of combustion:brainly.com/question/14317568

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1 year ago

=During digestion, water is both added and removed. Which area of the digestive system removes water?

saw5 [17]

Answer: Large intestine

Explanation:

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2 years ago

A potassium atom can achieve a stable octet by

nydimaria [60]

C. losing one electron

Explanation:

It is because the potassium atom electronic configuration is 2,8,8,1 where by if it loses one electron it becomes stable

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3 years ago

A gas with a volume of 250 mL at a temperature of 293K is heated to 324K. What is the new volume of the gas?

Natalija [7]

Answer:

The new volume of the gas is 276.45 mL.

Explanation:

Charles's law indicates that for a given sum of gas at constant pressure, as the temperature increases, the volume of the gas increases, and as the temperature decreases, the volume of the gas decreases.

Charles's law is a law that mathematically says that when the amount of gas and pressure are kept constant, the quotient that exists between the volume and the temperature will always have the same value:

$\frac{V}{T} =k$