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1 year ago

What is the formula for the ether functional group?

Chemistry

1 answer:

Arisa [49]1 year ago

4 0

Answer:

D.) -O-

Explanation:

An ether is a functional group that includes an oxygen (O) single-bonded to two other atoms (often carbons). The two other atoms can be represented by the letter "R".

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Sugar is used to fill a box that has a volume of 200 cm3. The sugar weighs 316 grams. What is the density of sugar? (Ignore the

lions [1.4K]

<u>Answer:</u> The density of sugar is $1.58g/cm^3$

<u>Explanation:</u>

To calculate the density of a substance, we use the equation:

$Density=\frac{Mass}{Volume}$

We are given:

Mass of sugar = 316 g

Volume of box = $200cm^3$

Putting values in above equation, we get:

$\text{Density of sugar}=\frac{316g}{200cm^3}\\\\\text{Density of sugar}=1.58g/cm^3$

Hence, the density of sugar is $1.58g/cm^3$

3 0

3 years ago

6. What is the pressure of 0.60 moles of a gas if its volume is 10.0 liters at 35.0°C?

denis-greek [22]

Answer: The pressure inside the cylinder will be 1.5 atm. The pressure can be calculated using the Ideal Gas Equation which relates the pressure, volume, temperature, and amount of gas to each other.

Further Explanation

The Ideal Gas Equation is:

$PV = nRT$

where:

P - pressure (in atm)

V - volume (in L)

n - amount of gas (in moles)

R - universal gas constant $0.08206 \frac{L-atm}{mol-K}$

T - temperature (in K)

In the problem, we are given the values:

P = ?

V = 10.0 L (3 significant figures)

n = 0.60 moles ( 2 significant figures)

T = 35.0 degrees Celsius (3 significant figures)

We need to convert the temperature to Kelvin before we can use the Ideal Gas Equation. The formula to convert from degree Celsius to Kelvin is:

$Temperature \ in \ Kelvin = Temperature\ in \ Celsius \ + \ 273.15$

Therefore, for this problem,

$Temperature\ in \ K = 35.0 +273.15\\Temperature\ in \ K = 308.15$

Solving for P using the Ideal Gas Equation:

$P = \frac{nRT}{V} \\P = \frac{(0.60\ mol) \ (0.08206 \ \frac{L-atm}{mol - K}) \ (308.15\ K) \ }{10.0 \ L} \\P = 1.51\ atm$

The least number of significant figures is 2, therefore, the final answer must have only 2 significant figures.

Learn More

1. Learn more about Boyle's Law brainly.com/question/1437490

2. Learn more about Charles' Law brainly.com/question/1421697

3. Learn more about Avogadro's Law brainly.com/question/1964205

Keywords: Ideal Gas Law, Gas Pressure

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4 years ago

Which of these statements is TRUE about a nonrenewable energy resource? A. Its supply will never run out. B. It is used up faste

weqwewe [10]

B. Non- renewable resources are used up faster than it is made.

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3 years ago

Definition of atoms?

PSYCHO15rus [73]

Explanation:

An atom is a particle of matter that uniquely defines achemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. Each electron is negatively charged. The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons

3 0

3 years ago

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Which molecules do carbohydrates work with, in life and in the body?

nikdorinn [45]

Answer:Carbs Provide Your Body With EnergyGlucose in the blood is taken up into your body's cells and used to produce a fuel molecule called adenosine triphosphate (ATP) through a series of complex processes known as cellular respiration. Cells can then use ATP to power a variety of metabolic tasks.

Explanation:

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3 years ago