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3 years ago

Which of the following is an illuminated object? a lightbulb a fire the Sun the Moon

SAT

2 answers:

Lubov Fominskaja [6]3 years ago

8 0

Answer:

The moon is the illuminated object.

ELEN [110]3 years ago

5 0

The moon (think about how it glows much less the fire and sun emits light and heat and the light bulb too) hope this helps :)

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Assuming ideal solution behavior, how many liters of hcl gas, measured at 30. 0 °c and 745 torr, are required to prepare 1. 25 l

Nostrana [21]

The volume of HCl gas required to prepare the solution is 101.54 L

<h3>How to determine the mole of HCl </h3>

Volume of solution = 1.25 L
Molarity = 3.20 M
Mole of HCl =?

Mole = Molarity x Volume

Mole of HCl = 3.2 × 1.25

Mole of HCl = 4 moles

<h3>How to determine the volume of HCl </h3>

Number of mole (n) = 4 moles
Temperature (T) = 30 °C = 30 + 273 = 303 K
Pressure (P) = 745 torr = 745 / 760 = 0.98 atm
Gas constant (R) = 0.0821 atm.L/Kmol

Volume =?

Using the ideal gas equation, the volume of the HCl gas can be obtained as follow:

PV = nRT

Divide both side by P

V = nRT / P

V = (4 × 0.0821 × 303) / 0.98

V = 101.54 L

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2 years ago

How are bill gates and henry ford similar? check all that apply.

timama [110]

People do share some similarity. How are Bill Gates and Henry Ford similar is that;

They both became wealthy and successful.

They both helped better the lifestyles of others.

They both developed products that filled a human need or needs.

<h3>Who is an Entrepreneur </h3>

An entrepreneur is known as someone who starts and runs a specific business. They often works well alone.

As a business owner or entrepreneur, one must know that there are different ways to grow one's business. Bill Gates and Henry Ford are both great Entrepreneurs.

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3 years ago

Jennifer has $25. 00 and earns $0. 50 for every chore she completes. Amaya has $13. 00 and earns $2. 00 for every chore she comp

uranmaximum [27]

Taking into account the definition of equation, each girl must complete 8 chores to have the same amount of money.

<h3>Definition of equation</h3>

An equation is the equality existing between two algebraic expressions connected through the equals sign in which one or more unknown values, called unknowns, appear in addition to certain known data.

Each equation has two members, and these are separated by using the equal sign (=).

Each member is made up of terms.

The unknowns, that is, the values to be found, are represented by letters.

The equality between the two algebraic expressions is only verified or true for certain values of the unknown.

<h3>Amount of chores</h3>

To find the amount of chores in this case, in first place you know Jennifer has $25.00 and earns $0.50 for every chore she completes. The money that Jennifer saves is expressed as: 25 + 0.50x, being x the amount of chores that Jennifer sells.

On the other side, Amaya has $13.00 and earns $2.00 for every chore she completes. The money that Amaya saves is expressed as: 13 + 2x, being x the amount of chores that Amaya sells.

They have the same amount of money, then it is expressed by the equation:

25 + 0.50x= 13 + 2x

Taking into account that:

When a value you are adding is passed to another side of the equation, this value will be passed by subtracting.
If a value you are subtracting is passed to the other side of the equation, this value will be passed adding.
When a value you are dividing goes to another side of the equation, it will be multiplied.
If a value is multiplying it passes to the other side of the equation, then it will pass dividing.

The equation is solved as:

25 -13= 2x - 0.50x

12= 1.5x

12÷ 1.5= x

8=x

Finally, each girl must complete 8 chores to have the same amount of money.

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