3 years ago

Are soft drink, solder and air homogeneous or heterogeneous?

Chemistry

1 answer:

NeTakaya3 years ago

4 0

They are all Homogeneous

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a substance has a definite volume but no definite shape ? state whether this substance is a solid , a liquid , or a gas.

DerKrebs [107]

Answer:

A liquid

Explanation:

This is the answer!! Hope this helps.

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3 years ago

Which statement describes the 3d, 4s, and 4p orbitals of Arsenic (As) based on its electronic configuration and position in the

tekilochka [14]

Answer:

The 3d and 4s orbitals are completely filled, and the 4p orbital is partially filled.

Explanation:

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3 years ago

If a gas in a box with fixed volume has a pressure of 913 torr at 15 C, what temperature should the gas be heated to double the

algol13

<span>700 mL hop it helps u ok</span>

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3 years ago

How many moles of carbon are in 7.00 x 1023 atoms of carbon?

Andru [333]

Answer:

<h2>1.16 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

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L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{7 \times {10}^{23} }{6.02 \times {10}^{23} } = \frac{7}{6.02} \\ = 1.162790....$

We have the final answer as

<h3>1.16 moles</h3>

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3 years ago

Which of the following would not be a clear indication of a chemical change

Alekssandra [29.7K]

I believe the answer is "After adding two substances together a new order is detected" because nearly all of the other answers suggest a chemical change has taken place. The reason I say "almost" is because answer two and four results in bubbles forming so the answer cannot be both. The only one to not clearly show a chemical change has occurred is the last answer.

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3 years ago