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MatroZZZ [7]
1 year ago
6

How to balance this equation NH4OH+H3PO4=(NH4)3PO4+H2O with explainatio please ​

Chemistry
2 answers:
Kay [80]1 year ago
8 0

Answer:

To balance the equation place a coefficient 3 in front of NH4OH in the reactants and another 3 in front of H2O.

3 NH4OH (l) + H3PO4 (aq) → (NH4)3PO4 (aq) + 3 H2O (l)

Explanation:

To balance equations you are only allowed to change coefficients and not subscripts. You need to make sure you have the same amount of each element on both sides of the equation, sketching a table may help.

Maru [420]1 year ago
5 0

Answer:

3 NH4OH (l) + H3PO4 (aq) → (NH4)3PO4 (aq) + 3 H2O (l)

Explanation:

This is an acid-base reaction (neutralization): NH4OH is a base, H3PO4 is an acid

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What is the total amount of heat released when 94.0 g water at 80.0 °C cools to form ice at −30.0 °C?
Wewaii [24]

Answer:

The total amount of heat released  is  68.7 kJ

Explanation:

Given that:

mass of water = 94.0 g

moles of water = 94 / 18.02 = 5.216

80⁰C   ------>  0⁰C  -------->    -30⁰C

Q1 = m Cp dT

      = 94 x 4.184 x (0 - 80)

     = -31463.68 J

     = -31.43 kJ

Q2 = 6.01 x 10^3 x 5.216

    = - 31348.16 J

   = -31.35 kJ

Q3 = - 94 x 2.09 x 30

    = - 5893.8 J

   = -5.894 kJ

Total heat = Q1 + Q2 + Q3  = -31.43 kJ  + (-31.35 kJ  ) + (-5.894 kJ )  = -68.7 kJ

Total heat released = -68.7 kJ

Note that the "negative sign" simply indicates heat released, therefore no need to put it in the answer.

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3 years ago
A report was created that outlined the outbreak of a disease called fungal meningitis among patients who received contaminated s
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Answer:

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How does an atom become an atom of another element is
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3 years ago
How long would it take for 1.50 mol of water at 100.0 ∘c to be converted completely into steam if heat were added at a constant
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To determine the time it takes to completely vaporize the given amount of water, we first determine the total heat that is being absorbed from the process. To do this, we need information on the latent heat of vaporization of water. This heat is being absorbed by the process of phase change without any change in the temperature of the system. For water, it is equal to 40.8 kJ / mol.

Total heat = 40.8 kJ / mol ( 1.50 mol ) = 61.2 kJ of heat is to be absorbed

Given the constant rate of 19.0 J/s supply of energy to the system, we determine the time as follows:

Time = 61.2 kJ ( 1000 J / 1 kJ ) / 19.0 J/s = 3221.05 s
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3 years ago
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Can someone plz help me? :(
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Answer:

it's C

Explanation:

because it exhaled the carbon dioxide

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