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Yanka [14]
2 years ago
7

Facts about : Melting Point

Chemistry
1 answer:
Gekata [30.6K]2 years ago
7 0

The melting point of a substance is the temperature at which it changes state from solid to liquid. At the melting point the solid and liquid phase exist in equilibrium. The melting point of a substance depends on pressure and is usually specified at a standard pressure such as 1 atmosphere or 100 kPa. Wikipedia

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A sample of copper metal has a mass of 848 grams. How many moles of copper are in the sample? 13.34 mol Cu, 13.3 mol Cu, 12.9 mo
ANTONII [103]

Answer:

mol_{Cu}=13.34molCu

Explanation:

Hello,

In this case, as the atomic mass of coppe is 63.546 g/mol, with the given mass with can compute the moles as shown below:

mol_{Cu}=848gCu*\frac{1molCu}{63.546 gCu} \\\\mol_{Cu}=13.34molCu

Best regards.

8 0
3 years ago
An example of a physical property of an element is the element’s ability to(1) react with an acid(2) react with oxygen(3) form a
Thepotemich [5.8K]
<span>4: Form An Aqueous Solution 

This is the only answer that can be observed without testing gear and with the naked eye.... Hope I helped ^-^</span>
5 0
3 years ago
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KiRa [710]

Answer:

What is the charge on the barium ion and what is the charge of the hydroxide ion.

Explanation:

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6 0
3 years ago
= 25 X 5 = (use the correct number of sig figs)
Anton [14]

Answer:

1.25 *10^2

Explanation:

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5 0
3 years ago
Which of the following pairs of reactants will react together to produce water (H2O) as one of the products?
Rainbow [258]
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so Answer number 3)
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</span>
7 0
3 years ago
Read 2 more answers
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