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Delicious77 [7]
3 years ago
6

A 3" diameter germanium wafer that is 0.020" thick at 300K has 3.419*10^17 As atoms added to it. What is the resistivity of the

wafer? Germanium has 4.42*10^22 atoms/cc, electron and hole mobilities are 3900 and 1900 cm^2/(V*s). What is the resistivity of the Ge in ohm*microns? Three significant digits and fixed point notation.
Chemistry
1 answer:
earnstyle [38]3 years ago
5 0
They temperature in my room is 57 degrees
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C) Mercury is solid at room temperature....True Or False<br>​
Zielflug [23.3K]

Answer:

true

Explanation:

Because Mercury can be solidified when its temparature us brought to its freezing point. However, when returned to room temparature conditions, mercury does not exist in solid state for long, and returns back to its more common liquid form.

7 0
3 years ago
How much heat is needed to change the temperature of 5g of water from 20 oC to 37 oC?
Dafna1 [17]

Answer:

The answer to your question is Q = 355.64 J

Explanation:

Data

Heat = Q = ?

Temperature 1 = T1 = 20°C

Temperature 2 = T2 = 37°C

mass = m = 5 g

Specific heat = Cp = 4.184 J/g°C

Formula

Q = mCp(T2 - T1)

-Substitution

Q = (5)(4.184)(37 - 20)

-Simplification

Q = (5)(4.184)(17)

-Result

Q = 355.64 J

5 0
3 years ago
Read 2 more answers
Given the equilibrium reaction: 2 A (aq) + 3 B (aq) &lt;— —&gt; 2 C (aq) + D (aq) and equilibrium concentrations of [A] = 0.60M,
Alex787 [66]
Given the equilibrium reaction: 2 A (aq) + 3 B (aq) <— —> 2 C (aq) + D (aq) and equilibrium concentrations of [A] = 0.60M, [B] = 0.30 M, [C] = 0.10 M and [D] = 0.50 M. The Kc value will be:
a. 1.9 c. 2.4 b. 0.15 d. 0.51





Answer . A
5 0
4 years ago
A sample of mass 6.814 grams is added to another sample weighing 0.08753 grams.
mylen [45]

Answer:

17.5609grams

Explanation:

According to the question, a sample of mass 6.814 grams is added to another sample weighing 0.08753 grams i.e.

= 6.814 + 0.08753

= 6.90153 grams

The result of this mixture i.e. 6.90153 grams is divided into three equal parts i.e.

= 6.90153 ÷ 3

= 2.30051 grams

This means that each equal part weighs 2.30051 grams

One of the yield (2.30051 grams) is multiplied by 7.6335 times i.e.

= 2.30051 × 7.6335

= 17.56094309

Hence, the final mass is 17.5609grams

8 0
3 years ago
Why is a liquid able to flow
luda_lava [24]
Since the particles can move, the liquid<span> can flow</span> <span>and take the shape of its container. Some insects, such as pond-skaters, are able</span><span> to walk on water without sinking. This is because the forces of attraction between the water particles pull the particles at the surface together.</span>
4 0
3 years ago
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