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vlabodo [156]
2 years ago
15

In the heating of most metal alloys, melting begins at a certain temperature and concludes at a higher temperature. In these cas

es, which of the following temperatures marks the beginning of melting: a. solidus b. melting c. liquidus d. solidification
Chemistry
1 answer:
rusak2 [61]2 years ago
6 0

Answer:

The answer is d

Explanation:

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Thermal energy causes of motion of

1. mixing water molecules contained in a beaker.

2.<span>molecules in soild liquid and gas phases 

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4. </span><span>molecules that have reached equilibrium </span>
7 0
3 years ago
If 50 ml of 0.235 M NaCl solution is diluted to 200.0 ml what is the concentration of the diluted solution
Helen [10]

This is a straightforward dilution calculation that can be done using the equation

M_1V_1=M_2V_2

where <em>M</em>₁ and <em>M</em>₂ are the initial and final (or undiluted and diluted) molar concentrations of the solution, respectively, and <em>V</em>₁ and <em>V</em>₂ are the initial and final (or undiluted and diluted) volumes of the solution, respectively.

Here, we have the initial concentration (<em>M</em>₁) and the initial (<em>V</em>₁) and final (<em>V</em>₂) volumes, and we want to find the final concentration (<em>M</em>₂), or the concentration of the solution after dilution. So, we can rearrange our equation to solve for <em>M</em>₂:

M_2=\frac{M_1V_1}{V_2}.

Substituting in our values, we get

\[M_2=\frac{\left ( 50 \text{ mL} \right )\left ( 0.235 \text{ M} \right )}{\left ( 200.0 \text{ mL} \right )}= 0.05875 \text{ M}\].

So the concentration of the diluted solution is 0.05875 M. You can round that value if necessary according to the appropriate number of sig figs. Note that we don't have to convert our volumes from mL to L since their conversion factors would cancel out anyway; what's important is the ratio of the volumes, which would be the same whether they're presented in milliliters or liters.

5 0
2 years ago
Anyone have any idea what to do
ra1l [238]

Answer:

2Al+3Fe ------- Al2O3+3Fe

this is answer no 2

N2+3H2------- 2NH3

this is answer no 3

I think helps

Best of luck

4 0
2 years ago
Which of the following best describes the difference between a mixture and a pure substance? A. A mixture has different properti
lara31 [8.8K]

Answer:d

Explanation:

7 0
3 years ago
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Which type of plant would a gardener most likely plant in a shady area of
murzikaleks [220]

Answer:

A. Ferns

Explanation:

Explanation:

7 0
2 years ago
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