2 years ago

A radiometer spins when what type of heat energy is taking place originally come from?

Chemistry

1 answer:

insens350 [35]2 years ago

6 0

The product of a number and 4 is 32

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can someone help me more clearly understand the difference between heterogeneous and homogeneous? Give an example of each plz.

const2013 [10]

Heterogenous mixtures are unevenly mixed. Like oil and vinegar in vinaigrette if it is not emulsified well enough and they separate. Any case where two things are not evenly distributed within each other.

Homogenous mixtures are evenly mixed throughout. Like salt water or kool-aid (when it's mixed).

Hope this helps!

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3 years ago

Fossils found in layers of sediment give us clues to Earth's past. Based on the fossil record of this area, we can assume that t

Shalnov [3]

Answer:

its b

Explanation:

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What can u say about the sizes of all the atoms in a piece of carbon

vlada-n [284]

Answer:

all atoms must have 6 protons to be a carbon atom

Explanation:

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2 years ago

15. What volume of CCI, (d = 1.6 g/cc) contain

anastassius [24]

Answer:

$\boxed{\text{(3) 9.6 L}}$

Explanation:

1. Moles of CCl₄

$n = 6.02 \times 10^{25} \text{ molecules} \times \dfrac{\text{1 mol}}{6.022 \times 10^{23}\text{ molecules}} = \text{100.0 mol}$

2. Molar mass of CCl₄

MM = 1 × 12.01 + 4 × 35.5 = 12.01 + 142 = 154.0 g/mol

3. Mass of CCl₄

$m =\text{100.0 mol} \times \dfrac{\text{154.0 g}}{\text{1 mol}} = \text{15 400 g}$

4. Volume of CCl₄

$V = \text{15 400 g} \times \dfrac{\text{1 cm}^{3}}{\text{1.6 g}} = \text{9600 cm}^{3}\\\\V = \text{9600 cm}^{3} \times \dfrac{\text{1 L}}{\text{1000 cm}^{3}} = \mathbf{{9.6 L}}\\\\\text{The volume of CCl$_{4}$ is } \boxed{\textbf{9.6 L}}$

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Which best describes a compound such as sodium

tresset_1 [31]

<span>a pure substance that can be separated into different elements by chemical means</span>

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