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slavikrds [6]
3 years ago
12

2 AICI3 + 3 Ca - 3 CaCl2 + 2 Al

Chemistry
1 answer:
Aleksandr [31]3 years ago
5 0

Answer:

50 gram calcium do you need

Explanation:

please make me brainlist answer

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Why is ethanol added to the reaction mixture of fat and base in the making of soap?
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Ethanol is added to the reaction mixture of base and fat in the manufacture of soap because it interferes with the formation of soap and making clarifying it making it translucent. It allows fatty acid to be partially mixed in the water where the base is being dissolved.
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Duncan knows that it takes 36400 cal of energy to heat a pint of water from room temperature to boiling. However, Duncan has pre
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Answer:

\large \boxed{\text{122 000 J}}

Explanation:

1. Calculate the energy needed

\text{Energy} = \text{0.800 pt} \times \dfrac{\text{36 400 cal}}{\text{1 pt}}  = \text{ 29 120 cal}

2. Convert calories to joules

\text{Energy} = \text{29 120 cal} \times \dfrac{\text{4.184 J}}{\text{1 cal}} = \textbf{122 000 J}\\\\\text{The water will have absorbed $\large \boxed{\textbf{122 000 J}}$}

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3 years ago
How many molecules of CO2 are contained in a 10.0 L tank at 7.53 atm and 485 K?
bonufazy [111]

Answer:PV=nRT

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5 0
3 years ago
Read 2 more answers
Which statement best describes the role of the skeleton?
Delicious77 [7]

Answer:

gives shape and support to the body

3 0
3 years ago
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Phosphorus reacts with oxygen to form diphosphorus pentoxide, P2O5 . 4P(s)+5O2(g)⟶2P2O5(s) How many grams of P2O5 are formed whe
iogann1982 [59]

Answer:

The answer to your question is:

Explanation:

2.45 g of Phosphorus

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MW P2O5 = 2(31) + 5(16) = 142 g

From the balance reaction

               4 P      ⇒ 2 P2O5

Then     4(31) g P    ⇒  2 (142)  g P2O5

       124g  of P       ⇒  284 g   of P2O5              Rule of three

            2.45g P      ⇒      x

x = 2.45 x 284/124 = 695.8/124 = 5.61 g of P2O5

3 0
3 years ago
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