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Nutka1998 [239]
3 years ago
13

Consider the reaction

Chemistry
1 answer:
Elena-2011 [213]3 years ago
8 0
Value of Kc is E= 2.5
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What is the function of alloying elements (e.g., cr, v, w, and mo) in tool steels?
trasher [3.6K]

Answer:

An alloy is the combination of metals homogeneously.

Explanation:

Alloys can also include other elements in combination with metals e.g carbon and Iron forms steel.

Alloys find a host of application in various industries and domestic use.

Alloying of metals helps to improve the physical and chemical properties of such materials better.

Some materials are alloyed to improve their strength.

Alloying can help heat and electrical conduction of a substance.

Alloys can greatly prevent rusting and produce corrosion resistant metals.

Alloys can provide a better means for a material to be worked.

Alloys can be more durable than original materials.

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Choose all the answers that apply.
agasfer [191]

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Which major changes in human society and the environment occurred during the Industrial Revolution? *
wariber [46]

Answer: c

Explanation:

during the industrial revolution americans were switching from rural to urban life, thus using up more fossil fuels, and working in factories

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How much heat will be absorbed by a 26.3 g piece of aluminum (specific heat = 0.930 J/g・°C) as it changes temperature from 23.0°
kotykmax [81]

Answer:

\boxed {\boxed {\sf 1076.196 \ Joules}}

Explanation:

Since we are given the mass, specific heat, and temperature, we should use the following formula for heat energy.

q=mc\Delta T

The mass of the aluminum is 26.3 grams. Its specific heat is 0.930 Joules per gram degree Celsius. We need to find the change in temperature.

  • The change in temperature is the difference between the initial temperature to the final temperature.
  • The temperature changes <em>from</em> 23.0°C <em>to</em> 67.0°C, so the initial is 23 degrees and the final is 67 degrees.
  • ΔT= final temperature - initial temperature
  • ΔT= 67°C - 23°C
  • ΔT= 44°C

Now we know all the values.

  • m= 26.3 g
  • c= 0.930 J/g °C
  • ΔT= 44°C

Substitute the values into the formula.

q= (26.3 \ g}) \times (0.930 \ J/g \textdegree C) \times (44 \textdegree C)

Multiply the first two numbers together. The units of grams cancel.

q= 24.459 \ J/ \textdegree C \times 44 \textdegree C

Multiply again. This time, the units of degrees Celsius cancel.

q=1076.196 \ J

<u>1076.196 Joules</u> of heat will be absorbed by the piece of aluminum.

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3 years ago
What is the function of the cytoplasm?
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Answer:

The cytoplasm is a thick solution that fills all cells.it helps to give a cell its shape

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