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kicyunya [14]
4 years ago
6

Find density when mass is 4.0g and volume is 5.6L

Chemistry
2 answers:
hammer [34]4 years ago
7 0

Answer:

5/7 g/L

Explanation:

Density is mass over volume.

tiny-mole [99]4 years ago
5 0
The answer is 5/7 g/L
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To calculate the no. of moles you must know mass and molar mass of the product

Explanation:

no. of moles =mass/molar mass

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A jet airplane has a velocity of 1145 knots. A knot is 1 nautical mile (nm)/hr. A nautical
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589.038 m/s

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Which energy resource causes the greatest waste disposal concerns?
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Give the symbol of the atom with the electron configuration 1s22s22p63s23p64s23d104p65s24d2 ?
AVprozaik [17]

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8 0
3 years ago
The rate law for the reaction 2A + B →C is –rA= kACA2CBwithkA= 25 (L/mol)2sec. What arekBandkC?
givi [52]

Explanation:

The given reaction equation is as follows.

             2A + B \rightarrow C

So, rate constants for different reactants and products written as follows.

             \frac{-k_{A}}{\text{stoichiometric coefficient of A}} = \frac{-k_{B}}{\text{stoichiometric coefficient of B}} = \frac{k_{C}}{\text{stoichiometric coefficient of C}}

As per the reaction equation, the stoichiometric coefficients of reactants and products are as follows.

         A = -2

         B = -1

         C = 1

Therefore,

      \frac{-k_{A}}{\text{stoichiometric coefficient of A}} = \frac{-k_{B}}{\text{stoichiometric coefficient of B}} = \frac{k_{C}}{\text{stoichiometric coefficient of C}}

      \frac{-k_{A}}{-2} = \frac{-k_{B}}{-1} = \frac{k_{C}}{1}    

             \frac{-k_{A}}{-2} = k_{B} = k_{C}

Hence,          k_{B} = k_{C} = \frac{25}{2} (L/mol)^{2}

                                          = 12.5 (L/mol)^{2}

Thus, we can conclude that k_{B} and k_{C} are 12.5 (L/mol)^{2}.

5 0
4 years ago
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