3 years ago

The characteristic temperature at which a pure solid changes to a liquid is its ______ point.

Chemistry

1 answer:

Tasya [4]3 years ago

5 0

It is known as the melting point

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To prepare the cooling system for an ice cream freezer, the chef adds 59.7 g of salt (NaCl) to 1433.3 g of ice. Predict the lowe

nordsb [41]

Answer: The entire water/ice solution is at the melting/freezing point, 32°F (0°C). Adding rock salt — or any substance that dissolves in water — disrupts this equilibrium.

Explanation: Hope this helps! Have a great day :)

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3 years ago

How is conductivity related to pH?

timama [110]

Answer:

Strongly acidic [or strongly basic] solution will have high conductivity.

Explanation:

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A sub-shell with n = 6, l = 2 can accommodate a maximum of:

Mrrafil [7]

Answer:

Explanation:

2n^2

n=6

2(6)^2=2×36

=72

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2 years ago

Balance the equation below for the reaction between hydrogen and chlorine, using the smallest whole-number

Elanso [62]

H2(g) + Cl2(g) = 2 HCl(aq) (balanced equation)
1, 1, 2 (coefficients)

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3 years ago

The Prandtl number, Pr, is a dimensionless group important in heat transfer. It is defined as Pr - Cp*mu/k where Cp is the heat

algol [13]

Answer:

The Prandtl number for this example is 14,553.

Explanation:

The Prandlt number is defined as:

$Pr=\frac{C_{p}*\mu}{k}$

To compute the Prandlt number for this case, is best if we use the same units in every term of the formula.

$\mu=1896 \frac{lbm}{ft*h}*\frac{1000 g}{2.205 lbm}*\frac{3.281 ft}{1 m}*\frac{1h}{3600s} =7938 \frac{g}{m*s}$

Now that we have coherent units, we can calculate Pr

$Pr=\frac{C_{p}*\mu}{k}=0.66*7938/0.36=14553$

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3 years ago