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Firlakuza [10]
3 years ago
10

Define solubility. the amount of a substance that will dissolve in a given amount of solvent a solid mixed with another solid a

liquid that does not dissolve in another liquid the amount of a substance that will dissolve in a given amount of solute a solid that does not dissolve in a gas
Chemistry
1 answer:
slavikrds [6]3 years ago
5 0

Answer:

You answered your own question

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A youth organization is having its annual pinewood model car race. The unpowered cars, like the one shown below, are lined up at
a_sh-v [17]

Gravity

Explanation:

The unpowered cars as shown gets their potential energy from their acceleration due to gravity and the height above the ground of the hill.

Potential energy is the energy due the position or a body. It is energy primarily at rest of a body.

 Potential energy = m x g x h

Where:

m = mass

g = acceleration due to gravity

h = height of the hill.

 

learn more:

Potential energy brainly.com/question/10770261

#learnwithBrainly

3 0
4 years ago
How many grams of NH3 can be produced from the reaction of 17.8 moles of H2 and a sufficient supply of N2? N2 + 3 H2 → 2 NH3
alexandr402 [8]

Answer:

201.73g

Explanation:

From the chemical reaction above, it can be seen that 3 moles of hydrogen yielded 2 moles of ammonia.

Now, 17.8 moles of hydrogen will yield a certain number of moles of ammonia. To get this certain number of moles: we have (17.8 * 2)/3 = 11.87 moles

Hence, 17.8 moles of hydrogen will produce 11.87 moles of ammonia. Now, we proceed to calculate the mass of ammonia produced.

The mass of ammonia produced is the molar mass of ammonia multiplied by the number of moles of ammonia.

The molar mass of ammonia is 14 +3(1) = 17g/mol

Now the mass produced is thus 17 * 11.87 = 201.73g

6 0
4 years ago
Explain how changing the concentration The enthalpy change for the reaction, 3CO (g) 2Fe2O3 (s) Imported Asset Fe(s) 3CO2 (g), c
ycow [4]

<u>Answer:</u> For the given equation, only iron has the value of \Delta H_f equal to 0 kJ.

<u>Explanation:</u>

Enthalpy change is defined as the difference in enthalpies of all the product and the reactants each multiplied with their respective number of moles. It is represented as \Delta H^o

The equation used to calculate enthalpy change is of a reaction is:

\Delta H^o_{rxn}=\sum [n\times \Delta H^o_f(product)]-\sum [n\times \Delta H^o_f(reactant)]

For the given chemical reaction:

3CO(g)+2Fe_2O_3(s)\rightarrow Fe(s)+3CO_2(g)

The equation for the enthalpy change of the above reaction is:

\Delta H^o_{rxn}=[(1\times \Delta H^o_f_{(Fe(s))})+(3\times \Delta H^o_f_{(CO_2(g))})]-[(3\times \Delta H^o_f_{(CO(g))})+(2\times \Delta H^o_f_{(Fe_2O_3(s))})]

The enthalpy of formation for the substances present in their elemental state is taken as 0.

Here, iron is present in its elemental state which is solid.

Hence, for the given equation, only iron has the value of \Delta H_f equal to 0 kJ.

7 0
3 years ago
When the pressure on the system in increased, the concentration of SO3 will
Masteriza [31]

Answer:

Doubling the volume of the reaction vessel and adding more oxygen to the reaction vessel will change the concentrations and will affect equilibrium concentrations.

Explanation:

4 0
2 years ago
How many moles of potassium bromide (KBr) are in 97.569 grams? *
Tasya [4]

Answer:

nonofur bisnuse

Explanation:

fjiajrooooooooooooooooooooa;

3 0
3 years ago
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