3 years ago

The tendency of an object to remain at rest or to continue in motion with constant speed in a straight line is called _____.

1 answer:

Ket [755]3 years ago

8 0

Answer:

Inertia

Explanation:

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11Alexandr11 [23.1K]

Answer:

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hope this helps!

please mark as brainiest<3

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QveST [7]

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3 years ago

Nadusha1986 [10]

The answer to this question is B

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3 years ago

daser333 [38]

Answer: The enthalpy change for formation of butane is -125 kJ/mol

Explanation:

The balanced chemical reaction is,

$C_4H_{10}(g)+\frac{13}{2}O_2(g)\rightarrow 4CO_2(g)+5H_2O(l)$

The expression for enthalpy change is,

$\Delta H=[n\times H_f{products}]-[n\times H_f{reactants}]$

Putting the values we get :

$\Delta H=[4\times H_f_{CO_2}+5\times H_f_{H_2O}]-[1\times H_f_{C_4H_{10}}+\frac{13}{2}\times H_f_{O_2}]$

$-2877=[(4\times -393)+(5\times -286)]-[1\times H_f_{C_4H_{10}}+\frac{13}{2}\times 0]$

$H_f_{C_4H_{10}=-125kJ/mol$

Thus enthalpy change for formation of butane is -125 kJ/mol

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3 years ago

nignag [31]

28 molecul are in mol of ox

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3 years ago