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3 years ago

13

Equal masses of substance A and substance B are at 25°C. Substance A has a lower specific heat capacity than substance B. If 50

cal of energy is transferred into each substance, which substance has a higher final temperature?

1 answer:

liraira [26]3 years ago

6 0

Dang bro that stuff is really hard I’m defiantly on a lower grade lol

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How many sulfur dioxide<br> molecules are in 2.8 moles of<br> sulfur dioxide?<br> ?]<br> [?]x10?

marshall27 [118]

There are 1,69*10^2^4 molecules. Hope this helps. This was a hard question so if im right can u give brainliest?

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3 years ago

How many atoms are in 1.204x10^22 moles of arsenic?

ra1l [238]

Answer:

<h2>0.02 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

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

We have

$n = \frac{1.204 \times {10}^{22} }{6.02 \times {10}^{23} } \\ = 0.02$

We have the final answer as

<h3>0.02 moles</h3>

Hope this helps you

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Katyanochek1 [597]

Answer:

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How is the mass number related to the number of protons and neutrons an atom has

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3 years ago

arlik [135]

Answer: whats the answer

Explanation:

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3 years ago