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galben [10]
2 years ago
13

Use the diagram below to answer the question.

Chemistry
2 answers:
oksian1 [2.3K]2 years ago
5 0

Answer: Every action force results in an equal and opposite reaction force.

Explanation: newtons law

kifflom [539]2 years ago
3 0
Every action force results in an equal and opposite reaction force
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using the soubility curve what is the solubilityof nh4cl in 10 mL of water at a temperature of 60 degrees Celsius​
lukranit [14]

Answer:

Please, see attached two figures:

  • The first figure shows the solutility curves for several soluts in water, which is needed to answer the question.

  • The second figure shows the reading of the solutiblity of NH₄Cl at a temperature of 60°C.

  • Answer: <u>5.5g</u>

Explanation:

The red  arrow on the second attachement shows how you must go vertically from the temperature of 60ºC on the horizontal axis, up to intersecting curve for the <em>solubility</em> of <em>NH₄Cl.</em>

From there, you must move horizontally to the left (green arrow) to reach the vertical axis and read the solubility: the reading is about in the middle of the marks for 50 and 60 grams of solute per 100 grams of water: that is 55 grams of grams of solute per 100 grams of water.

Assuming density 1.0 g/mol for water, 10 mL of water is:

            10mL\times 1.0g/mL=10g

Thus, the solutibily is:

      10gWater\times 55gNH_4Cl/100gWater=5.5gNH_4Cl

5 0
3 years ago
The change in internal energy for the combustion of 1.0 mol of octane at a pressure of 1.0 atm is -5084.1 kj . f the change in e
TEA [102]

<u>Given:</u>

Change in internal energy = ΔU = -5084.1 kJ

Change in enthalpy = ΔH = -5074.3 kJ

<u>To determine:</u>

The work done, W

<u>Explanation:</u>

Based on the first law of thermodynamics,

ΔH = ΔU + PΔV

the work done by a gas is given as:

W = -PΔV

Therefore:

ΔH = ΔU - W

W = ΔU-ΔH = -5084.1 -(-5074.3) = -9.8 kJ

Ans: Work done is -9.8 kJ


6 0
3 years ago
Dylan changed a formless pile of sand into a sand castle. What other natural materials can be changed into art
amm1812

Other natural material such as clay, wood, and stones can be changed into art.

Clay is pliable and is very easy to be molded into different shapes and sizes.

Wood can easily carved into different shapes, also different patterns can be easily etched on wood.

Stones of different variety and from different geological sources are painstakingly converted into statues or portraits of different life forms and scenery.

7 0
3 years ago
Which part of a chemical formula indicates the number of copies of molecules or compounds? A. plus signs B. subscripts C. coeffi
nadya68 [22]
I think it is C. coefficients but I don't know what subscripts are
3 0
3 years ago
Is lithium a good or bad element? (explain why)
ddd [48]

Answer:

Its good

Explanation:

It has power

8 0
2 years ago
Read 2 more answers
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